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278 Polyporeæ, Polystictus.<br />

tis 1-2 mm. longis marginem versus gradatim abbreviatis, intus<br />

griseo-pruinosulis, ubique laxe setulis tereti-obconicis, ferrugineis,<br />

20-25 5-6, exertis armatis, ore rotundo parvulo 100-120<br />

µ. diam., æquali, dissepimentis tenuibus, 25-30 µ. cr., acie acutiuscule<br />

obtusatis, integerrimis.<br />

Hab. ad palos fabrefactos diu intemperiis expasitos prope Guarapi<br />

Paraguay. - Pileus 5-6 cm. diam., 2-3 cm. lat. Species nobilissima,<br />

pileo eximie applanato, fere ubique æquicrasso distinctissima.<br />

P. Swartziano Lév. et P. gilvo Schwein. affinis sed ob<br />

setulas hymenii longe abhorrens et facile novum genus.<br />

330. Polystictus polygonius Pers. in Fr. Epicr. p. 477. - Pileo coriaceo,<br />

convexo, subflaccido, tomentoso, subbrunneo, zonis plurimis<br />

angustis concentricis notato; contextu floccoso, helvolo; poris distantibus<br />

æqualibus, acutis, denticulatis, pallidiaribus.<br />

Hab. in insula Rawak Bornei, Guadalupa, Martinica.<br />

331. Polystictus tricolor Lév. Champ. Mus. p. 434. - Pileo suberoso,<br />

sessili, semiorbiculari, nudo, grosse sulcato, postice depresso, fusco,<br />

antice cinerescente; margine obtusiusculo; poris minutis, ore obtusis,<br />

albis; contextu pallide lutescente.<br />

Hab. ad truncos in Brasilia. - Pileus 6-10 cm. latus.<br />

332. Polystictus platypilus Lév. Champ. exot. p. 192 in Ann. Sc. nat.<br />

1844. - Pileo lignoso-tuberoso, applanato, sessili, dilatato, velutino,<br />

concentrice zonato sulcatoque fusco; margine lobato, undulato, obtuso;<br />

poris minutissimis, rotundis, fusco-ferrugineis; contextu ful vo.<br />

Hab. ad truncos in insula Java.<br />

b) Contextu flavo vel aureo.<br />

333. Polystictus citreus Berk. Austral. Fung. n. 73. - Pileo anguste<br />

spathulato vel fisso-flabellato, citrino, subzonato, lineato; margine<br />

inflexo, tenui, subacuto, citreo-tomentoso; poris subcarneis,<br />

sinuato-angulatis, parvis; dissepimentis tenuibus.<br />

Hab. in ligno putri in Australia. - Pileus 18-20 mm. longus,<br />

6-7 mm. latus, mycelium flavum, lignum penetrans; pori illos Poriæ<br />

vaporariœ imitantes.<br />

334. Polystictus flavidua Berk. Hook. Journ. 1852, pag. 161, Dec.<br />

n. 432. - Pileo subreniformi, tenui, florida, fulvo, zonis brunneolis<br />

picto, radiatim rugoso, velutino; poris minutis ferrugineis; contextu<br />

flavo.<br />

Hab. in ligno emortuo East Nepal Indiæ (Dr. HOOKER). - Pileus<br />

6 cm. latus, 3 cm. longus, subimbricatus; pori 200 µ. diam.,<br />

5863<br />

5864<br />

5865<br />

5866<br />

5867

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