PENIOPHORA. CYTIDIA 697 



7. Doubtful British species insufficiently described. 



2355. P. phyllophila Massee. <f>v\\ov, a leaf; <tA.o9, loving. 

 R. 2-11 cm., pallid, or cream colour, broadly effused; margin 



fibrillose, often indeterminate. Hymenium concolorous, continuous. 

 Flesh membranaceous. Spores white, elliptical, 12 x 6/z. Cystidia 

 fusoid or cylindrical with the apex sometimes thickened, 60-80 x 

 20-30/x above the level of the hymenium. Dead leaves. Rare. 



2356. P. ochracea (Fr.) Massee. (=1 Peniophora nuda (Fr.) Bres. sec. 

 Wakef. in litt.) o)^po<i, pale. 



R. 3-13 cm., ochraceous. broadly effused, inseparable; margin white, 

 byssoid, radiating, soon disappearing. Hymenium concolorous, 

 sprinkled with golden-glistening atoms, cracked when dry. Flesh soft, 

 waxy. Spores white, "elliptical, 10 x 5 /A. Cystidia fusiform, 40- 

 50 x 20 /u, above the level of the hymenium" Massee. Wood and 

 bark. Rare. 



P. scotica Massee = Peniophora velutina (DC.) Cke. sec. Wakef. 

 P. rimosa Cke. = Peniophora hydnoides Cke. & Massee sec. Wakef. 

 P. terrestris Massee = Peniophora hydnoides Cke. & Massee sec. 



Wakef. 



P. Crosslandii Massee = Peniophora gigantea (Fr.) Massee sec. Wakef. 

 P. pezizoides Mass. = Peniophora quercina (Pers.) Cke. sec. Wakef. 

 P. Chrysanthemi Plowr. = Corticium Sambuci (Pers.) Fr. sec. Wakef. 



7. CYPHELLACEAE. 



Hymenium covering the whole of the interior of cup-shaped, 

 urceolate, or cylindrical receptacles ; smooth or veined. 



Cytidia Quel. 

 (= Auriculariopsis R. Maire). 



(/euro?, a hollow vessel.) 



Receptacle coriaceous-gelatinous, cup-shaped, sessile, scattered, 

 crowded, or confluent. Hymenium smooth, becoming wrinkled, or 

 veined. Spores white, or slightly coloured, boat-shaped, globose, or 

 cylindrical, smooth ; basidia elongate, narrow, cylindrical with 4 thin, 

 short sterigmata. Growing on wood. 



2357. C. flocculenta (Fr.) von Hoehn. & Litsch. (= Corticium floccu- 

 Untum Fr.; Cyphella ampla (Lev.) Fr.; Auriculariopsis ampla 

 (Lev.) R. Maire.) Flocculenta, woolly. 



R. 4-12 mm., cup-shaped, hood-shaped and inverted when dry, 

 externally pale in colour, and tomentose. Hymenium fawn, or bright 

 brown; margin white, at length wrinkled and veined. Flesh brownish, 



