HYMENOMYCETES. 



Suh-genus APUS. 



Anodermei. 



Carmsi. — stihstance soft, cJieese-like ; pores white . 



2'2 P. MOLLIS. Fries. 



j_l from the margin to the base. 1 — IJ broad, but often 

 extended laterally for 3 or 4 inches. Concavely triquetrous ; 

 substance white, very easily broken, but not watery; disc 

 slightly fibious, cream-coloured or pinkish, with indistinct tes- 

 taceous zones; pores whitish, unequal, ilexuous ; orifices sharply 

 toothed ; base very broadly effused. Spores oblong, curved, 

 with two nuclei. -OUUIG. On a fallen fir tree, Knowsley. 



Lenti. — substance carnoso-coriaceous ; pares coloured. 



93. P. ADTJSTUS. Willd. 



1 — 2 from the margin to the base. 2 — 3 broad. Imbricated ; 

 disc villous, pale gi-ey ; margin thin, becoming black : pores 

 short, minute, grey, whitely pruinose, obsolete towards the 

 margin. On stumps, common. 



'i\ P. cRisPUS. Fries. 



I — 1 from the margin to the base. 1—3 broad. Pileus coria- 

 ceous, imbricated, when young narrowly rcflexed, floccoso- 

 TUgose, zoneless, at length dusky, with a marginal brown 

 zone. Often eftuso-extended for a foot or more vertically, 

 with somewhat distant pilei. Not, so far as I am aware, 

 hitherto recorded as British. Kindly named for me by the 

 Rev. M. J. Berkeley, who remarks that the pores are smaller 

 than usual, and that the species is closely allied to P. Adustm. 

 On aged, living whitethorns, Knowsley. 



Soongiosl— substance spongy, becoming hard; hispid. 



•25 P. HISPIDUS. Biill. 



2 — 5 from the margin to the base. 3 — 8 broad. Pileus dimi- 

 diate, thick, verj' hispid, dark ferruginous ; margin obtuse ; 

 under surface often variously swollen ; pores minute, j-ellowish ; 

 substance dark bay. Common on trunks of living trees. 



96 P. SPUMEUS. Sow. 



1 2 from the margin to the base. 1—3 broad. Pileus dimi- 

 diate, or with a constricted, short stem; gibbous, rugulose, 

 slightly hispid, whitish; pores and substance whitish. Decay- 

 ing trees, Bold, Knowsley. 



Placodermei. 



Sitberosi. — substance juicji, hecomiiuj indurcUed ; crust thin; perennial, but 

 not increasing after the first season. 



92 



