172 FUNGUS-FLOEA. 



memlDraiiaceoiis, composed of the finest down, margin byssoid, 

 pure white. 



Radulum tomentosum. Fr, 



Effused irregular for 1-3 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 apiculate at the base, 8 X 4 /x. 



Baduhim tomentosum, Fr., Bpior., 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- 

 phanous, sub-cartilaginous and rigid when dry ; tubercles 

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

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

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

 X 7-8 yu, often slightly curved. 



Badulum deglubens, B. & Br., Ann. Nat. Hist., n. 1440 ; 

 Stev., Fung., p. 252. 



On ash. Described from Berkeley's type, specimen. 



Radulum corallinum. B. & Br. 



Effused for 2-3 in., whitish, very thin and pellioulose, 

 shining, sterile portions flaking off, tubercles in scattered 

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

 long ; spores subglobose, apiculate, about 5 /a diam. 



Radulum corallinum, B. & Br., Ann. Nat. Hist., n. 1441 ; 

 Stev., Fung., p; 252. 



On oak branches. Eemarkable for the very thin, shining 

 subiculum, producing isolated, coral-like dusters of very 

 irregular, crowded tubercles. 



Radulum epileucum. B. & Br. 

 Effused for several inches, very thin, entirely adnate ; 

 subiculum white, mucedinous; hymenium waxy, polished, 

 pale ochraceous; tubercles sparsely scattered, variable in 



