252 oiiLiMcs or nimisii iingology. 



72. P. terrestris, Ir. ; efl'uscd, nraclmoid; byssoid, delicate, 

 fugacious, ■white; pores eciitral, verj' small, at length rufous. 



On the naked soil, or on rotten uood. Wine. Linlithgo"\v- 

 shire. Dr. Bunchop. 



73, P. vaporarius, Fr. ; eflused, innate ; mycelium creep- 

 ing amongst the tissue of the -wood, floceose, white ; pores 

 large, angular, white, turning pallid, crowded into a close, 

 firm, persistent stratum. 



On fallen branches Everywhere in woods, 



74. P. aneirinus, Fr. ; effused, thin, subinnatc ; circum- 

 ference byssoid, white j pores large, cellular, waxy, angular, 

 smooth, white, then tawny. 



On fallen twigs. Rare, Edinburgh, Dr. Baucliop. 



75, P. Stephensii, Fr. ; orbicular, white, at length con- 

 fluent ; margin sometimes slightly reflexed, toraeutose ; pores 

 broad, nearly equal, angular ; dissepiments rather thick ; edge 

 villous. 



On twigs of privet. West of England, Dr. Stephens, 

 C. E. B. A very fine species, resembling a resupinate Hexa- 

 gonia. Pores one-twentieth of an inch across, 



7Q. P. Vaillantii, Fr. ; white, thin ; mycelium free, form- 

 ing distinct strings, sometimes joined together by a mem- 

 brane; pores crowded here and there, short, rather large, 

 thin, unequal, — Sow, t. 326. 



On dead wood. Very rare. Glasgow, KlotzscJi. Easily 

 known by its very peculiar mycelium, 



21, TRAMETES, Fr. 



Ilymenophorum descending into the trama of the pores 

 without any change, which are permanently concrete with the 

 pileus. Pores entire.* 



* Some of the Poh/pori, as P. versicolor, iov Qiiam\)\o, liavo the trama, thoun;li 



