172 FUNGUS-FLORA. 



membranaceoiis, composed of the finest down, margin byssoid, 

 pure Avhite. 



Radulum. tomentosum. Fr. 



Eflfuscd irregular for l-o in., rather thick, innate, whitish, 

 margin more or less free and erect, distinctly tomentose ; 

 tubercles short, crowded, irregular, subangular and often 

 confluent, smooth ; spores cylindric-oblong, slightly thinner, 

 curved, and a^^iculate at the base, 8 X -i /x. 



Badulum tomentosum, Fr., Epicr., 525 ; Stev., Fung., p. 252. 



On Pyrus, Salix, &c., also on pine sawdust. Distinguished 

 by the peculiarly-shaped spores and the tomentose margin, 

 which is sometimes brownish when dry. 



Radulum deglubens. B. & Br. 



Orbicular, about ^ in. across, margin broadly free and 

 upturned, smooth below, flesh-colour with rust tinge, dia- 

 plianouR, sub-cartilaginous and rigid when dry ; tubercles 

 aliout 1 line long, very irregular, scattered, cylindrical or 

 compressed, plate-like and toothed, interstices mealy with the 

 white spores, which are cylindric-obloug, ends obtuse, 14-16 

 X 7-8 yu,, often slightl}'' curved. 



Badulum deglubens, B. & Br., Ann. Nat. Hist., n. 1410 ; 

 Stev., Fung., p. 252. 



On ash. Described from Berkeley's typo specimen. 



Radulum corallinum. B. & Br. 



EfTiised for 2-.'5 in., whitish, very thin and pelliculose, 

 shining, sterile portions flaking off, tubercles in scattered 

 fascicles i-1 in. across, very irregular, coralloid, 2-3 lines 

 long ; spoi'cs subglobose, a]iiculate, about 5 /jl diam. 



liaduhim coraUivum, B. & Br., Ann. Nat. Hist., n. 1441 ; 

 Stev., Fung., p. 252. 



On oak branches. Remarkable for the A'^ery thin, shining 

 subicnluni, producing isolated, coral-like clusters of very 

 irregular, crowded tubercles. 



Radulum epileucum. B. i^' Br. 

 Effused for several inches, very fhin, entirely adnata; 

 subiculuni white, mucedinous ; hymenium waxy, polished, 

 pale ochraceous ; tubercles sparsely scattered, variable in 



