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Verrucaria subantecellens Nyl., Flora 59: 364. 1876, nom. nud. Arthopyrenia subantecellens Müll. Arg., Bot. Jahrb. Syst. 6: 403. 1885. Type. CUBA. Wright, Verr. Cub. 2 (MSC, holotype fragment; H-Nyl 769, isotype). Arthopyrenia griseola Müll. Arg., Rev. Mycol. (Toulouse) 10: 182. 1888. Type. PARAGUAY. Paraguarí, Balansa (G, holotype). Presumably on the basis of the ascospores that soon become 4-celled, brownish and granular ornamented, Riedl removed this species from Arthopyrenia to Mycoporopsis even though the ascomata are uniloculate. Placement in Mycoporum ( incl. Mycoporopsis sensu Riedl) is further supported by the large ascospores, large asci, thick walled in the upper part and the characters of the hamathecium. Purvis et al. (1992) spelled the epithet "antecellans". All the specimens in Nylander's herbarium have the "-ens" spelling and my small Latin dictionary gives "antecello, -ere" the participle of which should end in "-ens". The British are noted scholars of Latin and perhaps there is some linguistic point I have missed. However, until I am corrected, I will spell the epithet "antecellens". Mycoporum buckii R. C. Harris, sp. nov. Similis M. sparselli sed ascomatis planioribus, strato brunneo sub hymeniis, ascosporis minoribus, 9.5-12 × 2.5-3 µm et macroconidiis oblongiis, ca. 5 × 2 µm. Type. FLORIDA. Duval County: Flood plain forest E of San Pablo River (Intracoastal Waterway), W of 17th St. N., dead portion of trunk of oak, 19 Jun 1975, Buck B175 (NY, holotype; MICH, isotype? not seen). Thallus a whitish blotch on substrate. Ascomata black, superficial, compound, multiostiolate, with many chambers, orbicular to elliptical (elongated with the grain of the wood), 0.5-1.0 mm diam, or to ca. 0.5 × 1.0 mm, with a brown basal layer. Asci obclavate to ± fusiform, 40-55 × 10-14 µm, with ascospores weakly biseriately to irregularly arranged. Ascospores fusiform, colorless, 2-celled, 10-13 × 3-3.5 µm. Microconidia not found. Pycnidia with macroconidia, oblong, colorless, ca. 5 × 2 µm. Mycoporum buckii is anomalous in several ways, the narrow asci which are not basally swollen, the well developed brown layer at the base of the ascoma and the presence of what can be interpreted as macroconidia. However, I would not feel comfortable creating a new genus and believe it is best accommodated in Mycoporum pending more thorough investigation. It is easily recognized by the small ascospores. Some species of Strigula have ascospores this small but have small, uniloculate ascomata. In addition to the cited collections it has been collected in Belize by Mason Hale. Additional specimens. FLORIDA. Collier County: Fakahatchee Strand State Preserve, 1.2 mi from N entrance on W. J. James Memorial Scenic Drive, open Taxodium swamp, on trunk of Taxodium, 6 Dec 1992, Buck 22817 (NY). DOMINICAN REPUBLIC. Prov. Monte Cristi: SE of El Morro de Monte Cristi, ca. 20 m, low dry forest near sea, 9 Jan 1987, Harris 19603 (JBSD, NY). Mycoporum californicum (Zahlbr.) R. C. Harris, comb. nov. Mycoporellum californicum Zahlbr., Ann. Mycol. 10: 363. 1912. Mycoporopsis californica (Zahlbr.) Riedl, Sydowia 16: 216. 1962[1963]. Tomasellia californica (Zahlbr.) R. C. Harris in Tucker & Jordan, Wasmann J. Biol. 36: 87. 1979, comb. inval. (33.2). Type. CALIFORNIA. Santa Monica Mtns., Hasse 1003 (FH, isotype). This species is separated from M. eschweileri, that has similar sized ascospores, by the early development of 4-celled ascospores, and from Tomasellia americana by larger ascospores and hamathecium obscured by oil droplets. Its distribution is mainly western. The easternmost record previously was from Texas. However, a number of ± western species are turning up in northern Florida. 64
Mycoporum compositum (Massal.) R. C. Harris in Egan, Bryologist 90: 164. 1987. Bottaria composita Massal., Misc. lichenol. 43. 1856. Type. ad cort. Chinae [comm. Hampe] (VER, holotype). Mycoporum pycnocarpum Nyl., Flora 41: 38. 1858 (lapsus pyrenocarpa). Dermatina pyrenocarpa (Nyl.) Zahlbr., Cat. lich. univers. 1: 550. 1922. Type. MEXICO. Sierra de Cristóbal, 1855, Fr. Müller (H-Nyl 4223, holotype; MICH, isotype?). Arthonia tumidula Leighton, J. Linn. Soc., Bot. 9: 200. 1867. Arthothelium tumidulum (Leighton) Zahlbr., Cat. lich. univers. 2: 137. 1922. Type. [CANADA.] St. Mary's, Lake Superior, Richardson 158 (BM, lectotype, selected by Makhija & Patwardhan, 1995; BM, isolectotype (neither seen); NY, isolectotype). Mycoporum integrum Vainio, Mycologia 21: 40. 1929. Type. PUERTO RICO. On bark near Aibonito, 3 Jan 1916, Fink 1800 (FH(2), MICH-Fink 8633, NY, "isolectotypes". (I have not examined material in Vainio's herbarium but his published ascospore size agrees with M. compositum. Other duplicates (MICH-Fink 8953, NY) have the larger ascospores of M. pycnocarpoides. The official designation of a lectotype can wait pending examination of material at Turku.) Mycoporum pycnocarpum var. ohiense Nyl., Mém. Soc. Sci. Nat. Cherbourg 5:135. 1867, nom. nud. Mycoporum ohiense Nyl. ex Fink, Lich. Fl. U.S. 67. 1935. Dermatina ohiensis (Fink) Zahlbr., Cat. lich. univ. 10: 108. 1938. Lectotype (Harris, 1973). OHIO. Lea (ex hb. Hooker) (H- Nyl 4234). Tomasellia cubana Müll. Arg. Bot. Jahrb. Syst. 6: 397. 1885. Type. CUBA. Wright, Verr. Cub. 126 (NY, isotype). This name is a synonym of Arthopyrenia consanguinea Müll. Arg. Mycoporum difforme Minks, Mycoporellum difforme (Minks) Fink Described from Massachusetts but I have not been able to locate type. From the description by Riedl (1961) it is a synonym of M. lacteum and should be removed from the checklist. Mycoporum eschweileri (Müll. Arg.) R. C. Harris, comb. nov. Mycoporellum eschweileri Müll. Arg., Flora 71: 526. 1888, Tomasellia eschweileri (Müll. Arg.) R. C. Harris in Tucker & Harris, Bryologist 83: 19. 1980. Type. BRAZIL. Bahia (G, holotype). Tomasellia esenbeckiana (Fée) Müll. Arg. = Arthopyrenia esenbeckiana Tomasellia exumana Riddle in Britton & Millspaugh, Bahama Fl. 528. 1920. Type. BAHAMAS. Great Exuma: on bark near Georgetown, 22-28 Feb 1905, Britton & Millspaugh 3135 (NY, isotype). This is a synonym of Anisomeridium anisolobum (Müll. Arg.) Aptroot. Mycoporum lacteum (Ach.) R. C. Harris, comb. nov. Verrucaria stigmatella var. lactea Ach., Lichenogr. universalis 227. 1810. Verrucaria lactea (Ach.) Eschw. in Martius, Fl. bras. enum. pl. 1: 126. 1833. Mycoporellum lacteum (Ach.) Zahlbr., Cat. lich. univers. 1: 554. 1922. Tomasellia lactea (Ach.) R. C. Harris in Tucker & Harris, Bryologist 83: 19. 1980. Type. Amer. meridion., in Copaifera, [Swartz], (H-Ach 779A, holotype; BM-Ach, UPS, isotypes). Mycoporopsis leucoplaca Müll. Arg., Flora 69: 316. 1886. Mycoporellum leucoplacum (Müll. Arg.) Zahlbr., Nat. Pflanzenfam. 1(1*): 78. 1903. Type. BRAZIL. Minaes Geraes, Glaziou (FH, FH- Tayl 118, US, isotypes). Mycoporellum lahmii Müll. Arg., Flora 70: 78. 1887. Type. SOUTH AFRICA. Transvaal: near Lydenburg, Wilms, comm. Lahm 61 (G, holotype). ?Mycoporum difforme Minks ex Willey, Enum. lich. New Bedford 32. 1892. Type not seen. Mycoporopsis exigua Zahlbr., Sitzungsber. K. Akad. Wiss. Wien. Math.-Naturw. Cl. 111(1): 360, pl. 2, f. 24-26. 1902. Type. BRAZIL. Near Theresiopolis, Höhnel, Lich. Bras. 159 (W, holotype). Mycoporellum hassei Zahlbr. in Hasse, Bryologist 15: 46. 1912. Type. CALIFORNIA. Catalina 65
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PART 1 INTRODUCTION Sadly this intr
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...................................
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1. Ascomata immersed or emergent; n
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ascospores 18-24 × 3 µm; Louisian
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2. Ascospores 1(-2)/ascus..........
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3. Ascomata immersed or sessile, bl
Page 13 and 14: GYROSTOMUM Fr. Only the single spec
Page 15 and 16: Sarcographia labyrinthica (Ach.) M
Page 17 and 18: to expose black rim around pore; co
Page 19 and 20: 4. Ascospores light to dark brown..
Page 21 and 22: 2. Apothecia minute, ca. 0.2 mm tal
Page 23 and 24: three collections of C. stemonea te
Page 25 and 26: ...................................
Page 27 and 28: COLLEMA Wigg. [The non-lichenized l
Page 29 and 30: PILOCARPACEAE Zahlbr. There are mor
Page 31 and 32: doubt the occurrence of this specie
Page 33 and 34: 22. Podetia forming abruptly flared
Page 35 and 36: 11. Isidia cylindrical ............
Page 37 and 38: 12. Medulla yellow; thallus not sor
Page 39 and 40: 3. Soredia farinose, not derived fr
Page 41 and 42: Lake County U. baileyi (Stirton) Za
Page 43 and 44: 10. Ascospores 22-41 × 11-21 µm..
Page 45 and 46: 6. Underside white or purplish gray
Page 47 and 48: PD+ dirty orangish; ascospores 4-ce
Page 49 and 50: 9. Medulla PD+ orange .............
Page 51 and 52: hope, leads to more intensive study
Page 53 and 54: Chaetothyriales and a number of par
Page 55 and 56: 2. Ascomata scattered; clypeus larg
Page 57 and 58: Duval County.......................
Page 59 and 60: Arthopyrenia atomarioides Müll. Ar
Page 61 and 62: ascomata, muriform ascospores) and
Page 63: 1. Ascoma simple, with only a singl
Page 67 and 68: XANTHOPYRENIACEAE Zahlbr. It has be
Page 69 and 70: Pyrenocollema tichothecioides (Arn.
Page 71 and 72: The family is defined here more nar
Page 73 and 74: a basal fringe; ascospores 20-30 ×
Page 75 and 76: above). The selection of piece B is
Page 77 and 78: Arthopyrenia exasperata R. C. Harri
Page 79 and 80: immersis clypeo lato et microconidi
Page 81 and 82: 9. Ascospores small, 16-22 × 8-9
Page 83 and 84: ?Polyblastiopsis alboatra Zahlbr. i
Page 85 and 86: Additional specimens. FLORIDA. Coll
Page 87 and 88: 5. Endospore absent or poorly devel
Page 89 and 90: 1. Ascospores small, under 20 µm l
Page 91 and 92: Distopyrenis pachyospora Aptroot Ap
Page 93 and 94: Tomasellia nigrescens Müll. Arg.,
Page 95 and 96: illustration and distribution, P. c
Page 97 and 98: 12. Ascospores 30-42(-53) × 11-15
Page 99 and 100: 33. Ascospores 44-50(-56) × 17-24
Page 101 and 102: 47. Endospore very reduced; ascospo
Page 103 and 104: celled, becoming filled with reddis
Page 105 and 106: 5.VIII.1990, Kalb 23189, not seen,
Page 107 and 108: Aptroot, for which I have seen the
Page 109 and 110: The type collection has some ascosp
Page 111 and 112: Pseudopyrenula endochrysea Vainio,
Page 113 and 114: TRYPETHELIUM Sprengel 1. Thallus or
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2). Trypethelium variolosum Ach., A
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1. Ascomata present; pycnidia prese
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14 above...........................
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This species was treated in 1990 as
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subclavate, 180-220 × 45-55 µm, w
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Monoblastia borinquensis R. C. Harr
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9. Ascospores biseriate or irregula
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conidia in a single row; macroconid
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33. Ascospores broadly elliptical,
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50. Medulla UV-; cortex UV+ yellow;
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69. Growing in aquatic or semiaquat
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Anisomeridium angulosum (Müll. Arg
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Arthopyrenia glaucescens Müll. Arg
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16.5-23 µm. As I have unpacked onl
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Species distincta macropycnidiis ro
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the species or strain of the photob
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univ. 1: 188. 1921. Phyllobathelium
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and S. tagananae are transferred fr
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1.0 mm diam.; wall black, thinner b
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this to mean Massalongo intended (i
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5. Ascospores basically 4/ascus, 11
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Thelenella humilis R. C. Harris, sp
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Afro-montagnard Centre-oriental: en
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multiseptate in Trichothelium. Asco
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Pyrenula mastoidea Ach., Ges. Natur
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junk heap. These variants (sp. 6, s
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Hedwigia 67: 274. 1927. Type not se
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dark green-blue in section; on bamb
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Trichothelium isidiatum could be re
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Arthopyrenia planiuscula...........
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Distopyrenis pachyospora ..........
Page 177 and 178:
Mycocalicium subtile...............
Page 179 and 180:
Polyblastiopsis sphaerica..........
Page 181 and 182:
Thelenella humilis.................
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