. British fungi (hymenomycetes). Basidiomycetes; Fungi -- Great Britain. 21 POLYPOREI. Poiyporus. 111. P. vulgaris Fr.—White, broadly effused, thin, I m. (yz lin.) thick, arid, closely actuate, even, soon smooth at the cir- cumference, wholly consisting of firm, crowded, very small, round, somewhat equal pores. The colour is sometimes light yellow. The pores vary oblique and gaping open. It cannot be separated from the wood except in fragments. On dead wood. Common. April-Dec. Effused sometimes to the breadth of 30 cent. (12 in.) Name— vulgaris, common. Fr. Hym. Eur. p. 577. Syst. Myc.
. British fungi (hymenomycetes). Basidiomycetes; Fungi -- Great Britain. 21 POLYPOREI. Poiyporus. 111. P. vulgaris Fr.—White, broadly effused, thin, I m. (yz lin.) thick, arid, closely actuate, even, soon smooth at the cir- cumference, wholly consisting of firm, crowded, very small, round, somewhat equal pores. The colour is sometimes light yellow. The pores vary oblique and gaping open. It cannot be separated from the wood except in fragments. On dead wood. Common. April-Dec. Effused sometimes to the breadth of 30 cent. (12 in.) Name— vulgaris, common. Fr. Hym. Eur. p. 577. Syst. Myc. i. p. 381. Berk. Out. p. 251. t. 6. C. Hbk. n. 809. S. My col. Scot. n. 762. JRostk. t. 60. 112. P. molluscus Fr.— White, effused, thin, soft, the flaxy circumference radiating in fibrils. Pores collected in the centre or now and then in patches, very small, thin, round, unequal and torn, pale. There is a variety with the circumfer- ence membranaceous sterile and continuous. Sow. t. 387. /. On dead wood. -Nov. Uncommon. Sept. At first forming a mere fringed byssoid membrane. The partitions of the pores are so thin that they very generally become torn. Name — molluscus, soft. Fr. Hym. Eur. p. 578. Berk. Out. p. 251. C. Hbk. n. 812. S. Mycol. Scot. n. 763. Fl. Dan. t. 1299. LXVII. Polyporus molluscus. Natural size. 113. P. collabefactus B. & Br. —Stratum quite smooth, resembling a Corticium. Pores seem at first to arise from the mere collaps- ing of the substance, short, margin obtuse. The barren parts resemble exactly a very smooth Corticium like C. calceum. On dead wood. Glamis, 1873. Oct. Name—collabefio, to be brought to ruin. From the pores arising out of the collapsing of the substance. B. 6° Br. n. 1432. 5. Mycol. Scot. n. 764. Pores persistently white, unequal^ 114. P. sanguinolentus Fr. — Whitish but bleeding 'when touched, nodulose, soon confluent, effused, soft, the flaxy cir- cumference vanishing. Pores small, somewhat round, unequa
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