SEPKDONIUM — ASTEROPHORA. 325 



Oiularta elliptica, Berk., Gard. Chron., 1881, with fig., 

 Giev., 1881, p. 51 ; Sacc, Syll., iv. n. 752. 

 On several cultivated varieties o^ Lilium. 



SEPEDONIUM. Link. (fig. 25, p. 313.) 



Hyphae vaguely branched, creeping; conidia produced at 

 the tips of branches, solitary or 2-3 together, one-celled, 

 niinutely warted, hyaline or brightly coloured. 



Sepedomum, Link, Obs. Myc, i. p. 16 ; Sacc, Syll., iv. p. 140. 



Most species are parasitic on fungi, and are the conidia 1 

 stage of species of Hypomyces. 



Sepedonium chrysospermum. Fr. (fig. 25, p. 313.) 



Hy[)hae eftu.sed, interwoven, rather thick, almost hyaline, 

 variously forked and branched, bearing short, spreadin«i-, 

 lateral conidiophores ; conidia solitary, globose, minutely 

 warted, very numerous, bright yellow, 13-17 /x diameter. 



Sepedonium chrysospermum, Fr., Syst. Myc, iii. p. 438 ; Sacc, 

 S\ll.. n. 754, 



Yery common on decaying fungi. Boletus, Agarics, &c. 

 Probably a true parasite, attacking the fungus early and 

 Mrresting its development. At first white, then bright yellow 

 and powdery from the ver}" numerous spores. 



The conidial condition of Hypomyces chrysospermus. 



Sepedonium Tulasneanum. Sacc. 



Effused, ochraceous or with an olive tinge, hyphae 

 sparingl}'- septate, dividing into 2-3 subequal, short branches 

 near the apex, each producing at its summit an ochraceous, 

 elliptic-fusiform, warted conidium, 16-24 X 8-10 /x. 



Sepedonium Tulasneanum, Sacc, Syll., vol. iv. n. 706. 



Parasitic on various species of Boletus. 



The conidial condition of Hypomyces Tulasneanus. 



ASTEEOPHOEA. Ditm. (fig. 5, p. 358.) 



Hyphae vaguely branched, creeping; conidia stellate'y 

 tuberculosa. 



