STERETJM 663 



II. R. dimidiate, sessile, or resupinate and effuso-reflexed, 

 marginate. 



*Hymenium bleeding when touched. 



2250. S. spadiceum Fr. (= Stereum gausapatum Fr. ; Stereum cristu- 

 latum Quel. ; Stereum quercinum Potter.) Holland, Champ, t. 

 102, no. 227. Spadiceum, date brown. 



R. 5-10 cm., greyish, brownish, or subferruginous, margin often white 

 at first, effuso-reflexed, or subdimidiate, often imbricated, confluent, 

 villose or hirsute; margin obtuse, often lobed. Hymenium /MSCOWS, or 

 bistre, bleeding wJien fresh if cut or bruised, becoming snuff brown or 

 more or less darker and discoloured with age, smooth, or wrinkled. Flesh 

 whitish in the middle stratum, coriaceous, soft. Spores white, ellip- 

 tical, 7-8 x 4r-5/i. Cystidia none. Lacticiferous hyphae, red, "coloured, 

 75-120 x 5ju, very numerous" Burt. Stumps, and fallen branches, 

 especially oak, and ash. Jan. Dec. Common, (v.v.) 



2251. S. rugosum (Pers.) Fr. Rugosum, wrinkled. 



R. 2-20 cm., pinkish buff, base paler, widely effused, or shortly 

 reflexed, obtusely marginate, silky, then glabrous, and at length con- 

 centrically furrowed, radially pitted and weathering grey. Hymenium 

 pinkish buff to drab-grey, bleeding if bruised when fresh, pruinose. Flesh 

 whitish, becoming discoloured, coriaceous, rigid, "intermediate layer 

 bordered on the upper side by a dense golden zone and on the lower 

 side by a two-many-zoned hymenial layer 120-1 200 /z thick, hyphae of 

 intermediate layer 2-5-3/z in diam." Burt. Spores white, oblong, 

 incurved, 10-12 x 4-5/u,. Cystidia none. Lacticiferous hyphae red, 

 "dark coloured, very numerous, 3-6 /x in diam." Burt. Stumps, 

 trunks, logs, and fallen branches of frondose trees. Jan. Dec. Com- 

 mon, (v.v.) 



2252. S. sanguinolentum (A. & S.) Fr. Grev. Scot. Crypt. Fl. t. 225, 

 as Thelephora sanguinolenta A. & S. 



Sanguinolentum, full of blood. 



R. 1-8 cm., pallid, white at the thin, acute margin, effused, often 

 circular, becoming confluent, then reflexed, adpressedly villose, or 

 silky, substriate. Hymenium cinereous, then fuscous, bleeding when 

 wounded, even, smooth, becoming cracked when dry. Flesh whitish, 

 coriaceous, thin, "intermediate layer bordered on the upper side by 

 a narrow, dense golden zone, and composed of densely arranged hyaline 

 hyphae, 3/z in diam." Burt. Spores white, cylindrical, slightly 

 curved, 8-9 x 3-4jii. Cystidia none. Lacticiferous hyphae red, 

 "coloured, 3-4 /A, usually numerous" Burt. Dead stumps, and 

 branches, especially of conifers. Jan. Dec. Common, (v.v.) 



