344 



POLYPORACE/E 



Polyporus 



Ludw., and as such is placed after 1559 by Saccardo. The plant grows 

 on rotten fir-trunks and on the ground, involving fir-leaves. 



Fig. 77. — Ceriomyces {Ptychogaster) albus Sacc. 

 A, section, three-quarters natural size ; b, threads and conidia. X 370. 



1560. P. nidulans Fr. (from the nest-like shape ; nidus, a nest) a b c. 



Whitish-sienna and umber, or slightly orange. 



P. single, pulvinate, villous, zoneless, thick, soft. T. long, 



unequal, angular. 



Single, usually in small troops. Fragrant when dry. Dead wood, branches, 

 wych elm ; uncommon. Jan. -Dec. P. 1 in. At first resupinate and from 

 3 to 7 in. in diam. 



1561. P. rutilans Fr. (from its reddish colour ; nttilo, to be reddish) 



a b c. 



P. thin, villous to smooth, zoneless, ivory-whitish, then brownish, 



clouded vinous. T. long. Po. minute, equal, cinnamon or 



vinous. Flesh pale ochre, vinous towards T. 



Single to 2-imbricate or connate. Odour powerful and pleasant of anise. 

 Logs, branches, sticks, oak ; uncommon. April-Dec. P. if in. At first 

 resupinate. Perhaps this and 1560 are one species. See 1607. 



1562. P. gilvus Fr. (from its colour ; %ih'7is, pale yellowish) a b c. 



P. thick, zoneless, pale sienna-yellow or sienna-umber; marg. 



velvety, becoming smooth, lighter than P., or dull orange. 



Po. minute with barren patches, dark orange-brown 



barren. Flesh bright orange-brown. 



Single to 3-imbricate or connate. Trunks, willow, oak ; rare. Jan. P. f in. 

 Boletus impuber Sow. t. 195. At first effaso-resupinate. 



1563. P. fumosus (from its smoky colour ; fumosus, smoky) a b c. 



P. firm, zoneless, somewhat thin, silky to smooth, pale buff, 



pale biscuit or slate-umber, sometimes shaded vinous. 



T. whitish to ivory-umber, or smoky-livid, with a smoky tinge, 



darker where bruised, often with barren patches. Po. round, 



entire. Flesh very pale buff or brownish. 



2-16 imbricate and connate. Stumps, logs, poplar, willow, birch, horse- 

 chestnut; common. July-Feb. P. 2 in. Mr. Carleton Rea has met 

 with a very large example on a wooden grass-roller. 



marg. 



