422 



THELEPHORACEiE 



Coniophora 



1897. C. gelatinosa W. G. Sm., Aldridgea gelatinosa Mass. (from 



its gelatinous substance) a. 

 Broadly effused, fleshy, subgelatinous, sometimes \ in. thick, 

 becoming collapsed and rigid. Hym. pallid becoming purple- 

 brown ; marg. determinate. Spores olive. 



Sawdust, extending for several inches, the irregularities of the hymenium due 

 to the substratum. 5 in. 



1898. C. byssoidea Karst. (from its, at first, flaxy condition; Gr. 



byssos, fine flax, eidos, appearance) a c. 



Irregularly effused, at first grey, then compact; mid. fleshy. 



Hym. light to ferruginous yellow, or colour of coffee and milk ; 



marg. narrow, somewhat arachnoid or flaxy, whitish. 



Forming a biscuit-coloured film sometimes a foot broad on fir-leaves, moss, 

 earth, etc. ; frequent. 4J in. 



LXXXVIII. EXOBASIDIUM Woron. 



(From the habit, the spores growing from basidia only with no 



true sporophore ; ex, out of.) 



Entophytes parasitic on living leaves and stems, which they 

 deform and hypertrophy. Basidia crowded, cylindrico-clavate, 



Fig. 103. — a, Exobasidium Vacc/niz Woron., one-half natural size, b, section 

 through hymenium of ditto, showing basidia and spores, X 500. 



