686 COBTICIUM. CRISTELLA 



fibrillose, thin. Hymenium concolorous, rather loose, pulverulent 

 under a lens. Flesh whitish, floccose, loose, rather thick. Spores white, 

 broadly elliptical, or subglobose, 7-9 x 6-8/u,, contents granular, 

 thick walled ("finely granular, or rough, becoming smooth" Bourd. 

 & Galz.); basidia 25-35-60 x 5-9 /x, with 2-4 slightly curved sterig- 

 mata, 6-12/x long. Gloeocystidia erect, cylindrical, elongate, 45- 

 120 x 6-9 p, thin walled, contents staining rather deeply. Basal 

 hyphae interwoven, 5-6//, in diam., much branched, with numerous 

 clamp connections. Bark, fallen branches, especially pine. Sept. 

 April. Not uncommon, (v.v.) 



2325. C. (Gloeo.) coroniferum von Hoehn. & Litsch. Trans. Brit. 

 Myc. Soc. vi, text-figs, p. 140. Corona, a crown ',fero, I bear. 



R. 3-5 cm., pure white, then cream, effused, easily separable as a 

 delicate pellicle; margin indeterminate, gradually thinning out to a 

 cobweb-like film. Hymenium concolorous, pulverulent. Flesh very 

 thin, fragile. Spores white, narrowly elliptical, with an oblique basal 

 apiculus, 4-5-6-8 x 2-3-5 /z; basidia cylindric-clavate, wavy, 3-5-4/u, 

 in diam., when mature elongated and projecting from the hymenium, 

 apex truncate, sterigmata 4-8, in British specimens usually 4, rather 

 long. Gloeocystidia rare, sometimes wanting, cylindrical, obtuse, 

 very thin walled, 45-50 x 5-6/z, contents more or less yellowish. 

 Basal hyphae frequently septate, with clamp connections, 4-5 /u. in 

 diam. Bark, and rotten wood, often spreading on to the surrounding 

 soil. Sept. Jan. Uncommon. 



Gloeocystidium croceo-tingens Wakef. sec. Bres. in Ann. Mycol. xviu 

 (1920), 48 = Sebacina (Bourdotia) Eyrei Wakef. 



Cristella Pat. (-Thelephora (Ehrh.) Fr. p.p.) 



(Cristella, a little crest.) 



Receptacle waxy, firm, effused, incrusting. Hymenium smooth, or 

 tubercular. Spores white, ovoid, or oboval, echinulate; basidia cla- 

 vate, with 2-4-sterigmata. Cystidia none. Growing on the ground, 

 on wood, mosses, or dead herbaceous stems. 



2326. C. cristata (Pers.) Pat. (= Thelephora fastidiosa (Pers.) Fr. ; 

 Corticium fastidiosum (Fr.) Bourd. & Galz.) Pat. Essai tax. 

 des Hymen, fig. 28. Cristata, crested. 



R. 5-30 cm., white, chalky in appearance, then becoming yellowish, 

 widely effused, incrusting, shapeless, or forming irregular, flattened, 

 confluent, lobed, or subulate branches, fringed, or laciniate at the apex. 

 Hymenium concolorous, papillose, granular, or reticulately veined. 

 Flesh white, fibrillosely floccose, thin. Spores white, echinulate, ovoid, 

 or obovate, 5-9 x 3-5 /it; basidia clavate, 20-25 x 5-6 /M, with 2-4 

 slightly bent sterigmata, 4-6 /A long. Hyphae very thin walled, 1-5- 



