HYMENOMTCETES. 



39 P. VAPORARius. Fries Ep. 



Almost entirely consisting of middle sized, angular, pale tan 

 coloured pores, orifices lacerated. My specimens were kindly 

 named for me by the Kev. M. J. Berkeley. Very common on 

 fallen branches and decayed logs. 



40 P. Vaillantii. Fries. 



Effused, thin, byssoid, whitish ; pores here and there in clusters, 

 angular, unequal. Covering the base of a stump, and spreading 

 over mosses and small sticks. Wooltou Wood. Eastham. 



Genus XVIII. DiEDALEA. Pers. 



41 D. QUERCINA. L. 



2 — 4 broad. Pileusdimidiate,of a pale, woody appearance, bald, 

 marked with concentric raised or depressed zones and little radiat- 

 ingwrinkles; the margin in well-grown specimens is thin, but in 

 ill developed individuals swollen and blunt ; gills of the sann; 

 colour as the pileus, woody, thick, sinuous, and anastomosing 

 so as to form long wavy pores a line or more broad. I have 

 taken this description from the English Flora, having never 

 seen the plant in a well developed state. Timber yards, Bold, 

 Halsnead. 



49 D. UNICOLOB. Bull. 



1—2 broad. 1— 1| from the base to the apex. Pileus thin, 

 dmiidiate, zoned, villous, grey; pores small, flexuous, unequal ; 

 dissepiments thin, often uneven. Eesemliling P. zonafvs, but 

 distinguished by its flexuous pores. On stumps in woods, Bold, 

 Ilangsdale. 



Genus XIX. MERULIUS. Haller. 



4.'} M. coRiuM. Grev. 



1—2 broad. Re.supinate, confluent, or reflexed and imbricate ; 

 pileus villous ; margin tomcntose, white ; hymenium cream- 

 coloured ; pores small, sinuous, sometimes indistinct. Spores 

 oblong. -00038. Whole plant soft, and easily torn. On stumps 

 and decayed branches late in autumn. 



44 M. TALLENS. Berk. 



Effused, between gelatinous and fleshy, pale reddish, folds 

 forming shortly sinuous pores ; spreading fin- many inches on 

 fallen and decayed branches. 'J'Ik; jilant almost disappears in 

 drying. Knowsley, 1850. 



95 



