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322 Polyporeæ, Poria.<br />

a) Poris albis.<br />

158. Poria leucoplaca Berk. Fl. New Zeal. p. 180. - Candida. ri- 6092<br />

gidiuscula, tenuis, limitata; poris parvis punctiformibus, 250 µ.,<br />

dissepimentis crassis, acie obtusissima, pulverulenta.<br />

Hab. in ramis emortuis in Nova Zelandia (COLENSO), Malacca<br />

(SCORTECHINI). - P. Medullœ-panis et P. xanthotromati affinis.<br />

159. Poria corticola Fr. Syst. Myc. I, p. 385, Hym, Eur. p. 580, 6093<br />

El. p. 123, Kickx. p. 235, P. pertusus Pers. Myc. Eur. 2, p. 103.<br />

- Latissime effusa, æquabilis, firma, alba v. pallescens, mycelio<br />

in stratum nudum xylostromeum contexto; poris nudis, superticialibus,<br />

vulgo obsoletis, punctiformibus.<br />

Hab. ad cortices putridos Populi, Quereus lanuginosæ, Salicis,<br />

Fagi in Europa, ad truncos emortuos Liriodendri in Carol. Amer.<br />

bor. et ad truncos emortuos, Rio Purus Brasiliæ (TRAILL) et in Anstralia.<br />

- Ob habitum prorsus consimilem hoc nomine complectuntur<br />

plures diversæ formæ: a) populina, b) faginea, c) quercina<br />

Pers. M yc. Eur. n. 141, d) salicina Secr. 2, p. 174, quum forsan<br />

omnes sint aliæ degeneratæ et pori substeriles evolutionis gradu<br />

maxime discrepent, e) Tulipiferœ: latissime effusa albida, ambitu<br />

hinc inde reflexo, poris subprominulis, asperis.<br />

160. Poria ornata Peck 38 Rep. St. Mus. p. 92. - Effusa, 2-4 mm. 6094<br />

cr., sat tenax, adnata, seu a matrice inseparabilis, alba, superficie<br />

leviter undulata vel inæquali, margine definito, viva guttis et madore<br />

prægna, sicca depressionibus punctiformibus notata; poris<br />

subrotundis, minutis, inæqualibus, sæpe obliquis.<br />

Hab. in truncis dejectis arborum deciduarum, Osccola Amer.<br />

bor. - Species margine initio guttato dein foveolato distincta.<br />

b) Poris albis, decolorantibus.<br />

161. Poria sinuosa Fr. Syst. Myc. I, p. 381, Elench. I, p. 120, ubi 6095<br />

synonymorum expositio, Hym. Eur. p. 576, Quél. p. 346, P. versiporus<br />

Sommerf. p. 278, P. mellinus Pers. Myc. Eur. 2, p. 96.<br />

- Late effusa, adnata, arida, e mycelio evanescente subradiculoso<br />

enata, ex albo lutescens; poris amplis, flexuosis, variis, acutis,<br />

laceris.<br />

Hab. ad ligna et cortices Abietis in Europa et Amer. bor. -<br />

Valde lata, 4 mm. fere crassa. Sporæ 6 2-3 (Britz). Odor Liquiritiæ.<br />

Partim a matrice solubilis, quacum jungitur radiculis albis.<br />

162. Poria Rhododendri Schwein. Amer. bor. n. 436, p. 158. - Lon- 6096

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