128 FUNGUS-FLORA. 



hymenium when perfectly developed," paler, glaucous, and 

 wax}" ; spores suliglobose, 4-5 [x. diauietei". 



Cortidum airo-virens, Pries, Hym. Eur., p. 651 ; Mass., 

 Mon. Thel., p. 156 ; Stev., Fung., p 277. 



On rotten wood, leaves, sticks, &c. 



*** Developing on twigs helow the harJc, tcJiicJi is pushed off. 



Corticium comedens. Fr. 



Efifused, innate, inseparable from tlio luatiix, exposed by 

 tbe rupture of tlie bark, dingy lilac, then becoming pale ; 

 hymenium even, glabrous, cracked when dry ; spores cylin- 

 dric-ellipsoid, at length, curved, 14—10 x 6- 7 ;u. 



Corticiurn comedens, Fries, Hym. 'EinT.,i>. 056; Mass., Mon. 

 Thel., p. 155. 



On branches, especially hazel. Originates below the bark, 

 which^ eventually becomes torn and reflexed, exposing the 

 hymenium, which is at first purplish, becoming almost white ; 

 slightly viscid when moist. 



Corticium nigrescens. Fries. 



Effused, interrupted, exposed by the rupture of the bark, 

 closely adnate, thin, yellowish, then becoming blackish; 

 hymenium sometimes papillose, waxy, slightly pruinose ; 

 spores cylindric-oblung, obtuse at both ends, curved 18-20 x 

 5-6 /x. 



Corticium nigrescens, Fries, Epicr., p. 565 ; Mass., Mon. 

 Thel., p. 155, 



On branches. Originating beneath the bark, resembling 

 C comedens in habit, but distinguished by being pale at first, 

 and then becoming blackisii, whereas the last named is purjile 

 when growing and becoming whitish with age. Eii'used, 

 very thin, closely adglutiuated, indeterminate ; hymenium 

 waxy, powdered with tlie very large colourless spores. 



STEKEUM. Pers. (emended), (figs. 11-14, p. 97.) 



Furnished witli a distinct central stem, horizontal and 

 attached by a broad base, or entirely resupinate ; hymenium 

 smooth, even, inferior in the stipitato or reflexed forms, 

 superior in resujiinate species, originating from a comi)act 



