656 HYPOCHNUS 



without the spines. Hyphae concolorous, thick walled, branched at 

 right angles, 8-14/z in diam., without clamp connections. Rotten 

 wood, and bark. Sept. Rare, (v.v.) 



2228. H. cyaneus Wakef. KVCLVOS, dark blue. 

 R. 1-3 cm., deep dull violaceous blue, through "Eton blue" to glaucous 



green, becoming dull greyish green or yellow in parts when dried, 

 effused, easily separable, tomentose; margin concolorous, arachnoid. 

 Hymenium concolorous, floccose. Flesh concolorous, paler, thin. Spores 

 dull bluish, minutely and sparsely aculeate, elliptical, depressed on 

 one side, 5-8 x 4/u,; basidia hyaline, elongate-clavate, 30-40 x 1p, 

 with 2-4-sterigmata. Basal hyphae slightly tinged bluish, 1-3/i in 

 diam., here and there incrusted, without clamp connections. Potas- 

 sium hydrate solution takes away the colour of the spores but turns 

 the other parts greenish when fresh; when dried, the hyphae and 

 spores become a dull violet colour. Wet rotten coniferous logs. Oct. 

 Rare. 



2229. H. cinerascens Karst. Cinerascens, becoming ash colour. 

 R. 23 cm., drab grey, to pale drab, indefinitely effused, adnate, 



separable; margin concolorous, or whitish. Hymenium concolorous, 

 loose. Flesh very thin, loose. Spores grey-brown, with minute spines, 

 angularly subglobose, 6-7 x 5-6 /a; basidia hyaline, cylindric-clavate, 

 40 x 6 fji, with 2 4-sterigmata. Subhy menial and basal hyphae 

 hyaline, 3-4 p, in diam., much branched, frequently septate with clamp 

 connections. Bark. Sept. Uncommon. 



2230. H.caesius(Pers.) Wakef. (=Thekphora caesia (Pers.)Fr.) Pers. 

 Obs. i, t. 3, fig. 6, as Corticium caesium. Caesius, bluish grey. 



R. 3-10 cm., cinereous-bluish-grey, or brownish bistre, effused, sub- 

 orbicular, determinate, tomentose. Hymenium concolorous, becoming 

 paler, even, minutely pubescent. Flesh brownish, soft, thin. Spores 

 hyaline, then lilac bistre, and finally brownish, spinulose, subglobose, 

 7-8/x. Wood, twigs, mosses, and on the ground. Aug. Nov. Not 

 uncommon, (v.v.) 



2231. H. botryoides (Schwein.) Burt. 



/3oTpu<?, a bunch of grapes; e'So?, like. 



R. 15 cm., yellow-brown (ochraceous-tawny to "Buckthorn-brown " of 

 Ridgway), effused, separable; margin much paler, brownish, floccose. 

 Hymenium fuscous, finely granular, forming a delicate pellicle. Flesh 

 pale brown, very soft, loose. Spores fuscous, aculeate, angularly sub- 

 globose, spore body 6 x 5-5/u,; basidia clavate, 30-35 x 6/i, with 

 4-sterigmata. Basal hyphae yellow-brown, 3 4/A in diam., often 

 united to form long slender strands, with clamp connections. "Po- 

 tassium hydrate turns microscopic sections of the hymenium imme- 

 diately blue green" Burt. Bark. Sept. Oct. Uncommon. 



