696 PENIOPHORA 



neck. Hyphae indistinct" Bourd. & Galz. Dead wood, branches, and 

 on Lycium and Syringa vulgaris. Nov. Feb. Uncommon, (v.v.) 



2351. P. cinerea (Fr.) Cke. (=Corticiumcinereum~Fi.) Grevillea, vm, 

 t. 123, no. 8. Cinerea, colour of ashes. 



R. 2-15 cm., lurid, cinereous grey, effused, confluent, agglutinated, 

 closely adnate ; margin similar. Hymenium concolorous, minutely prui- 

 nose. Flesh brownish, waxy, then rigid, firm, compact. Spores white, 

 cylindrical, incurved, 6-10 x 3-4/z; "basidia 21-40- x 3-6-5/x. Cys- 

 tidia the inferior ones brownish, oboval, clavate, or subfusiform, 20- 

 35-80 x 4-5-6-14/z, soon vitrified, central cavity tubular; the upper 

 ones basidia-like. Hyphae rarely distinct, 3p, in diam." Bourd. & 

 Galz. Dead wood, bark, and branches. Jan. Dec. Common, (v.v.) 



2352. P. laevigata (Fr.) Massee. (= Corticium laevigatum Fr.) 



Laevigata, made smooth. 



R. 1-3 cm., ferruginous cinnamon, becoming paler, effused, very 

 adnate, indeterminate; margin at length free. Hymenium concolorous, 

 pruinose, finally cracked. Flesh paler, firm, thin. Spores white, 

 cylindrical, depressed on the side, 7-9 x 4-5/1,; basidia 25-30 x 4-5 /a. 

 Cystidia brownish, or yellowish, fusiform, pointed, or obtuse, 30-50 x 

 6-9 JJL, thick walled, slightly incrusted. Hyphae sparse, 2-6/x in diam. 

 Living yew trees, and junipers. Sept. April. Uncommon, (v.v.) 



2353. P. quercina (Pers.) Cke. (= Corticium quercinum (Pers.) Fr.; 

 ? Peniophora pezizoides Mass. sec. Wakef. in litt.) Grev. Scot. 

 Crypt. Fl. t. 142, as Thelephora quercina Pers. 



Quercina, pertaining to oak. 



R. 1-18 cm., flesh colour, or orange, then lilac, or greyish, and finally 

 slate colour, effused, then cup-shaped and free, smooth and becoming 

 black beneath; margin free, revolute. Flesh pale, or brownish, coria- 

 ceous, thick, firm. Spores white, sausage-shaped, or cylindrical, often 

 bent, 10-12 x 3-4/u.; basidia 30-40 x 5-7 /x. Cystidia clavate, or fusi- 

 form, 50-70 x 5-12/z, thick walled, smooth, or rugose. Basal hyphae 

 brown, walls more or less thickened, 3-4/x in diam. Fallen branches, 

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



2354. P. limitata (Fr.) Cke. (= Corticium limitatum Fr.) GreviUea, 

 vm, t. 123, no. 7. Limitata, marked-off. 



R. 1-8 cm., lurid, becoming pale, subrotund, tubercular, soon con- 

 fluent, closely adnate ; margin black. Hymenium ochraceous, minutely 

 velvety, often finally cracked. Flesh grumous, then cartilaginous, 

 rather thick. Spores white, "elliptic-oblong, with a minute basal 

 apiculus, slightly curved, 20-22 x 6/u. Cystidia fusoid, 30-40 x 15- 

 20 fji, above the level of the hymenium" Massee. Bark, wood and 

 broom. Rare. 



