156 Oncophorioidea — Ophioglossum. Oncophorioidea Ren. (Dicranac.) 3. 323, Oospora Wallr. (Mucedinac.) I** 417 I 183. 422, 425. Oncophorus (Dicranac.) 3. 3 12. 0. candidula Sacc. 1** 425, Fig. 2194. Oncophorus Brid. (Dicranac.) 3. 308. 0. lactis (Fresen.) Sacc. 1**, 425, Fig. OncophorusBrid. (Dicranae)3.317, 3 18, 219B. 1181. Oosporieae (Mucedinac) I**. 416, 417. 0.virens(Sw.)Brid. 3. 318, Fig. 1864—P. Opegrapha (Lecanactidae) 1 * 114. Oncophorus Lindb. (Dicranac.) 3. 31 2, 31.3, Opegrapha Humb. (Graphidac) I* 92, 3 I 4. 94, 95, 115. Oncopteris Dormitzer (Caulopterid.) 0. A. varia Pers. I* 95, Fig. 474—P. 507. Opegraphella Mflll. Arg. (Graphidac) OncospheniaEhrenb. (Bacillariac.) lb. 1 10. 1* 92, 102. Oncospora Kalchbr. (Excipulac.) I**. Opephora Petit (Bacillariac.) lb. 108. 397. OpephyllumSchmitz(PeZessmac.)2. 408, Oncosporella Karrt. (Sphaerioidac.) 1**. 410. 380. Operculatae (Marchantiac.) 3. 25, 30. Oncotylus Kfltz. (Gigartinac.) 2. 359. Ophidocampa Ehrenb. (Bacillariac) lb. Oncylogonatum Koenig (Equisetac) A. 548. 118, 140. Oneillia C. Ag. (Delesseriac) ?. A I 5. Ophidocladus Falkbg. (Rhodomelac) ?. Onoclea Bernh. (Polypodiac.) A. 164. 429, 461. OnocleaL. (Polypodiac.) A. 44, 57, 159, Ophidomonas Ehrenb. (Spirillac) la. 33, 165, 166. 187. 0. sensibilis L. 4. 57, Fig. 39 H; 165, Fig. Ophiobolus Riess (Pleosporac.) 1. 428, 90 G—L. 439, 441. O. Struthiopteris Hoffm. 4. 44, Fig. 2 4. 0. porphyrogonus (Tode) Sacc. I. 411, Fig. Onocleinae (Polypodiac.) 4. 159, 164. 270 4—6'. Onocleites Fr. Jaeger (Alcthopterid) A. 496. Ophioceras Sacc. (Geratostomatac) 1. Onopteris Neck. (Polypodiac.) 4. 233. 405, 408. Onychiopsis Yokoyama (Filical.) 4. 512. Ophiochaeta Sacc. (Pleosporac) I. 428, Onychium (Filical.) A. 512. 439. Onychium Kaulf. (Polypodiac.) A. 279, 326. Ophiocladium Cavara (3Iucedinac.) 1** Onychium Reinw. (Polypodiac.) 4. 326. 417, 421. Onychonema Wallich (Desmidiac.) 2. 8, 0. Hordei Cav. 1** 42 1, Fig. 2 17 G. 14, 15. Ophiocytium Naeg. (Protococcac.) 2. 65, O. uncinatum Wallich 2. 15, Fig. 9B. 68. OnygenaPers. (Onygenac) I. 309. 0. majus Naeg. 2. 68, Fig. 40P. 0. arietina Ed. Fisch. 1. 309, Fig. 2I9P. Ophioderma Presl (Ophioglossac.) A. 469. 0. caprina Fuckel I. 309, Fig. 2 I 9 P. Ophiodothis Sacc. (Dothideac.) I. 373. 0. corvina Alb. et Schw. 1.309, Fig. 2 I 9-4. 376. 0. equina (Willd.) Pers. 1. 309, Frig. 2 I 9B, Ophioglossaceae 4. 119—472, 473. 67, P, P. OphiOglOSSaleS (Ptcridophyta) 4. II, 4 49 Onygenaceae c 293, 309; 1** 538. — 47 2. OocardiumNaeg. (Tctrasporac.) 2. 47,51. Ophioglossites Mass. (Ophioglossac) 4. 0. stratum Naeg. 2. 51, Fig. 3.3. 472. Oochlamys Fee (Polypodiac.) 4. 167, 172. Ophioglossum L. (Ophioglossac) 4. 452. Oochytriaceae 1. 67, 84. 457, 462, 464, 465, 468, 472. OoehytriumRen. (Phyeomycct.) 1 **. 51 0. 9. palmatum L. i. 462, Fig. 260 4, B; 468, Ooeystis Naeg. (Pleurococcac) ••>. 56, 57. Fig. 263B, C. 0. solitaria Wittr. 2. 57, Fig. 30 G. 0. pedunculosum Desv. 1. 452, Fig. 258-4. Oomyces Berk. etBr. (Ilypocreac) 1. 3 48, 0. pendulum L. 4. 468, Fig. 2634. 367. 0. vulgatum L. t. 464, Fig. 252, Fig. 258 0. carneo-albus (Lib.) Berk, et Br. I. 367, G—J; 157, Fig. 2594, 67; 464, Fig. 262 Fig. 2 45 B—B. Oomycetes 1. 63—119. 4-67. Ophioglossum Lam. (Ophioglossac.) 4. 469.
Ophioglossum — Orthothecium. 157 OphioglossumRumph.(Oj?Mo#?ossae.) 1.472. Orphniospora Koerb. (Leeideac.) i* 129, Ophiognomia Sacc. (Gnomoniac.) A. 449. 133. Ophiomassaria Jaczewski (Massariac) Orseille (Roecella spec, div.) 1* 109. 1. 444, 446. Orthocarpus C. Mflll. (Bryac.) 3. 559, Ophiomeliola Starb. (Perisporiac.) 1** 539. Ophiomorpha Goepp. (Algae) ?. 563. 1205. Orthodicranum C. Mflll. (Dicranac.) 3. 328, 1183. Ophionectria Sacc. (Ilypocreac) I. 347. Orthodon Bory (Splachnac.) 3. 503. 360, 361. Orthodontium Schwaegr. (Bryac.) 3. 541, 0. scolecospora Bref. et Tav. 1. 361 Fd. 543, 1204. 24 IP. 0.1ongisetumHampe3. 544, Fig. 4074—P. Ophiopteris Reinw. (Polypodiac) A. 203. 0. ovale C. Mflll. 3. 543, Fig. 406 P— H. Ophiosperma Norm. (Lecanorac.) 1*. 205. 0. robustissimum C. Mflll. 3. 543, Fig. 406 Ophiothrix Kfltz. (Protococcac.) ?. 68. 4—P. Ophiotrichum Fries (Dematiac.) 1** 476 Orthogoniopteris Andrews (Filical.) A. 501. 480. Orthogramma Presl (Polypodiac.) A. 2 4 5. Ophthalmidium Eschw. (Pyrenulac.) I *, 6 Orthomniopsis 6. Broth. (Mniae) 3. 1208. Opisteria Ach. (Peltigerac) 1*. 192. 0. japonica Broth. 3. 1208, Fig. 8454—77. Oplarium Losana (Hydrodictyac) 2. 72. Orthomnium Wils. (Mniae) 3. 606, -I 207. Orbicula Cooke (Perisporiac) 1. 333, 334. 0. Loheri Broth. 3. 1267, Fig. 8444—P. Orbilia Fries (Mollisiac.) 1. 210, 217. Orthoneis Grun. (Bacillariac.) lb. 122. 0- Coccinella (Sommerf.) Karst. 1. 217, Orthophyllina C.Mflll. (Orthotrichac.) 3.480. Fig. 1694, B. Orthophyllum C. Mflll. (Calymperac) 3. 365. 0. curvatispora Boud. 1. 217. Fig. 169 67. Orthopus Wulfsb. (Dicranac.) 3. 330. O. vinosa (Alb. et Schw.) Karst. 1. 217, Orthopyxis Palis., Jur. (Aulacomniac.) 3.624. Fig. I 69 P. Orthopyxis Palis. (Leptostomac) 3. 602. OrcadellaWingate(67rea