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Polyporeæ, Poria. 295<br />

albo pallescens, ambitu indeterminato byssino; poris mediis (mycelio<br />

crustoso veceptis), inæqualibus lacerisque.<br />

Hab. ad ligna vetusta cariosa pinea in Europa et Amer. bor.<br />

- E loco variat mollior et firmior, sed sat persistens. Suberoso-<br />

carnosa, plerumque humens, 12-16 cm. et ultra longa, 1-11/2 cm.<br />

crassa. P. molluscâ longe major nec affinis.<br />

12. Poria stillicidiorum Speg. F. Fueg. n. 73, p. 33. - Repenti-effusa,<br />

irregulariter expansa, lobata vel repanda, sæpe superpositio-<br />

nis causa hinc inde pseudostratosa, margine determinata, nec li-<br />

bera nec reflexa, nec sterilis sed obtuse rotundata, in vivo alba<br />

vel albo-subhyalina, tenerrima, in sicco non contracta nec diffra-<br />

cta, albo-pallescens vel pallidissime rubescens, opaca, rigida, fragilis,<br />

semper tenuiuscula 1-1,5 mm. crass., contextu myceliali te-<br />

nui, membranaceo cum hymenio continuo; poris rectis vel vix obliquis,<br />

breviusculis 0,5-1 mm. long. ore rotundis vel elongatis, mi-<br />

nutis 150-170 µ. diam., regularibus, densissime constipatis, disse-<br />

pimentis tenuibus, acie integris.<br />

Hab. in stillicidiis montanis ad terram nec nou cryptogamas incrustans<br />

in Staten Island in Fuegia. - Species in vivo Poriœ mucidœ<br />

nec non P. Medullœ-panis peraffinis, sed satis ab utraque<br />

abhorrens præcipue in sicco.<br />

13. Poria Medulla-panis (Pers.) Fr. Syst. Myc. I, p. 380, Hym. Eur.<br />

p. 476, Ic. t. 190 f. 2, Boletus Pers. Syn. p. 544 (sec. spec. ab<br />

ipso determinata), Wahlenb. Suec. n. 2015, Alb. et Schw. p. 256,<br />

Berk. Outl. p. 251. - Effusa, determinata, subundulata, firma, glaba,<br />

alba, ambitu nudo submarginato, tota fere contexta poris sub-<br />

longis, mediis, integris.<br />

Hab. ad ligna vetusta, in Europa, Amer. fœder. et Brisbane,<br />

Queensland Australiæ. - Forma terrestris mollior et aquosomollis:<br />

Pol. bibulus Pers. Myc. Eur. n. 135. Annua, sat magna<br />

exsiccatione indurescens, secedens. Nulla icon fida: Jacq. Misc. t.<br />

11 et Bolt. t. 166, f. 2, huc vulgo ductæ, æquo jure ad P. cortico-<br />

lam aliorumve incunabula referri possunt. P. fluctuosus Weinm.<br />

p. 337, a Friesio non visus, affinis apparet.<br />

14. Poria calcea B. et Br. Journ. Linn. Soc. XIV, p. 55. - Tota<br />

resupinata, effusa, margine tenuissimo adnato membranaceo; poris<br />

minimis angulatis, dissepimentis tenuibus.<br />

Hab. ad ligna emortua, Dolosbagey, Ceyton (THWAITES). - Primo<br />

obtutu Corticium calceum reddit; duæ cecurrunt formæ, qua-<br />

59 46<br />

5947<br />

5948

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