HYPOCHNUS 655 



in colour, effused, separable. Hymenium concolorous, loose. Flesh 

 concolorous, membranaceous, loose, thin. Spores reddish brown, 

 echinulate, subglobose, or broadly elliptical, 7-8 x 5-6 /z. Hyphae 

 with numerous clamp connections, 5-6 fj, in diam. Eotten wood, and 

 fallen branches. Sept. June. Not uncommon, (v.v.) 



2224. H. subfuscus Karst. Subfuscus, somewhat dark. 

 R. 1-4 cm., dark purplish brown, between Ridgway's "Natal Brown" 



and "Bone Brown" effused; margin concolorous. Hymenium con- 

 colorous, pulverulent, mould-like. Spores sepia, aculeate, globose, 

 8-9 /A without the hyaline spines, spines acute, 1-2 /u, long; basidia 

 clavate, 10-12/z in diam., with 24 curved sterigmata. Subhymenial 

 hyphae pale, 5-7 /z in diam. Basal hyphae brown, 7-8/z in diam., 

 thick walled, straight, with branches at right angles, sometimes 

 slightly incrusted, with clamp connections. Bark of fallen logs. 

 Sept. Oct. Uncommon, (v.v.) 



2225. H. granulosus (Peck) Burt. (= Grandinia tabacina Cke. & Ell.) 

 Burt, Theleph. of North Am. vi, Hypochnus, text-fig, p. 219. 



Granulosus, granular. 



R. 2-4 x 1-2 cm., sepia, effused, thin, membranaceous, granular, 

 separable; margin somewhat radiate, concolorous. Spores concolorous 

 with the hyphae, aculeate, angular-subglobose, the body about 6/z in 

 diam. Flesh concolorous or paler, loose. Hyphae yellowish under the 

 microscope, loosely interwoven, 2-5-4/u, in diam., thin walled, occasion- 

 ally with clamp connections, forming near the substratum some 

 rope-like mycelial strands up to 15/z in diam. Pine sticks and rotten 

 bark and wood of frondose trees. Aug. Sept. Uncommon, (v.v.) 



2226. H. puniceus (A. & S.) Sacc. (= Corticium (Hypochnus) puni- 

 ceum (A. & S.) Fr.) Puniceus, reddish. 



R. 1-3 cm., dull red, vaguely effused, mould-like; margin similar. 

 Hymenium concolorous, minutely granular, loose and pulverulent 

 under a lens. Flesh pale, fibrillose, loose, very thin. Spores dull red- 

 dish, with short spines, subglobose, 8-9-5/z, 7-5-8/z without the 

 spines ; basidia clavate, 40-50 x 8/z, with 2-4 stout curved sterigmata, 

 58 x 2-5-3/Li. Subhymenial hyphae hyaline, or pale coloured, 3'5- 

 5/x, wavy, much branched, with clamp connections. Decorticated 

 pine-wood. July Sept. Uncommon, (v.v.) 



2227. H. isabellinus Fr. (= Corticium isabellinum Fr.) Fr. Obs. Myc. 

 n, t. 6, fig. 3. Isabellinus, dirty yellowish. 



R. 5-10 cm., pale "Isabella colour" of Ridgway, or deep olive buff to 

 dark olive buff, effused, adnate, inseparable, tomentose', margin con- 

 colorous, thinner. Hymenium concolorous, loose, pulverulent. Flesh 

 concolorous, loose, thin. Spores isabelline, echinulate, globose, 7-9 /x 



