456 FUNGUS-FLOEA. 



hyphae varying in length, free at the tips and bearing the 

 minute, ovate-oblong, continuous, hyaline conidia. 



Graphium Passerinii, Sacc., SylL, iv. p. 2912. 



Grafhium siihulatum, Pass, et Beltr., Fung. Sic, n. 33 (not 

 of Nees). 



On dry corticated branches of Biibus. 



Graphium Stevensonii. Sacc. 

 Scattered; stem very short, black; head white, globose; 

 conidia very minute, globose, hyaline, about 2 fi diameter. 

 Grapliium Stevensonii, Sacc, SylL, iv. n. 2915. 

 Stilbum Stevensonii, Berk. & Broome, Ann. Nat. Hist., 



n. 1713. 



On rotten wood. Eesembling a Didymium in habit. 



Graphium griseum. Sacc. 



Densely gregarious, velvety, short ; stems black, fibrous, 

 about 2 mm. high, head subglobose, rather large, grey then 

 blackish and globose; conidia greyish, elliptical, 1-guttulate. 



Grapliium griseum, Sacc, SylL, iv. n. 2926. 



Pachnocyhe grisea, Berk., Engl. Flor., v. p. 334. 



On decaying stems. 



Graphium glaucocephalum. Sacc 



Tufts slender, powdery, glaucous, rather inconspicuous; 

 stem short, slender, glabrous, blackish-brown, opaque ; head 

 globose, large, glaucous ; conidia ovate, yellowish, guttulate. 



Graphium glaucocephalum, Sacc, SylL, iv. n. 2927. 



Sporocyhe glaucocephala, Bon. 



Periconia glaucocephala, Corda. 



On rotten nettle stems, &c. 



Graphium piliforme. Sacc. 



Stems gregarious, straight, black, glabrous ; head spheri- 

 cal, hyaline, very fugacious ; conidia hyaline, elliptic-oblong, 

 subcylindrical, at first conglutinated together. 



Graphium piliforme, Sacc, SylL, iv. n. 2928. 



Stilbum piliforme, Pers., Syn., p. 581. 



On rotten branches and herbaceous plants. 



