132 FUNGUS-FLORA. 



Stereum ochroleiicum, Fries, Hym. Eiir,, p. 639 ; Mass., Mou. 

 Thel., p. 184. 



Corticiinn och-oleucum, Fries, Eincr., p. 577. 



On wood and bark. Silky or strigose, becoming smooth 

 when old. It is not unusual to meet witli all stages from 

 flal)elliform to entirely resupinate. Distinguished from S. 

 stri(/(isum by the very pale ochraceous hymcniuni that becomes 

 much cracked when dry ; the sjiores are also difterent. 



Stereum purpureum. Pers. (fig. 14, p. 97.) 

 Coriaceous but pliant, effuso-reflexed, more or less imbri- 

 cated, tomentose, zoned, whitish or pallid ; hymenium naked, 

 smooth, even, pale clear purj^jle, becoming dingy ochraceous 

 with only a tinge of purple when dry; spores elliptical, 

 7-8 X 4/x. 



Stereum pwyureum, Persoon, Obs. Myc. ii. p. 92 ; Ma?s., 

 Mon. Thel., p. 186. 



On trunks, branches, &c. Variable ; often broadly adnate, 

 with the extreme margin only free and reflexed, or broadly 

 reflexed and imbricate, when the individuals are often small, 

 not more than |— 1 in. across, but sometimes much larger, 

 rather thin, rigid and incurved when dr}^ Pilcus silky, 

 tomentose, not coarsely strigose as in S. liirsutum, and often 

 with one or two narrow black zones near the margin ; hymfi- 

 nium more or less purple, becoming dingy ochre when dry. 



Stereum sanguinolentum. Fr. 



Efluso-rcjflcxed, thin, coriaceous, pileus silky-adpresscd, 

 substriate, pallid, margin acute, whitish ; hymeniiim even, 

 glabrous, very delicately pruinose when old, becoming 

 stained with dingy red when rubbed ; spores cylindrico- 

 ellijjsoid, slightly curved, 8-0 x 4-5 /x. 



Stereum sanguinolentum, Fries, Epicr., p. 540 ; Mass., Mon. 

 Thel., p. 189. 



On pine and other wood. Densely gregarious; at first 

 resui)inatc and circular, at length dimidiate or with the 

 margin more or less reflexed all round, silky or almost 

 strigose, zoned, the zones darker ; hymenium rough from the 

 inequalities of the matrix, otherwise smooth, pale greyish- 

 brown, when scratched or bruised becoming instantly blood- 

 red. (Berk.) 



