458 rUNGUS-FLOEA. 



Stilbum hicolor, Pers., Syn., p. 682. 

 On trunks, branches, &c. 



HAEPOGRAPHIUM. Sacc. (fig. 30, p. 397.) 



Stroma forming a stem, apex forming a head or equal, 

 sooty-brown, bearing more or less loose paler conidiophores 

 upwards ; conidia elongated or falciform, continuous, 

 hyaline. 



Harpographium, Sacc, Mich., ii. p. 33; Sacc, Syll., iv. 

 p. 619. 



Only differs from Graj)liiiim in the elongated or falciform 

 conidia. 



Harpographium graminum. Cke. & Mass. (fig. 30, 

 p. 397.) 

 Solitary, scattered, very minute ; stem consisting of a 

 fascicle of septate, olive hyphae, becoming free and spread- 

 ing above ; conidia cylindric-fusiform, 2-guttulate, hyaline, 



HaijJograpMum graminum, Cke. & Mass., Grev., xvi. p. 81. 

 On straw. 



STYSANUS. Corda. (fig. 28, p. 397.) 



Stroma erect, cylindrical or clavate, brown, rather rigid ; 

 conidia ovoid, lemon-shaped, or somewhat fusoid, subhyaline, 

 concatenate, grouped into an oblong or subglobose, somewhat 

 lax, terminal panicle. 



Stysamis, Corda, Icon. Fung., i. p. 21 ; Sacc, Syll,, iv. 

 p. 620. 



Stysanus stemonites. Corda. (fig. 28, p. 397.) 

 Gregarious, stem simple, thin, blackish-brown, consisting 



of septate, olive-brown, parallel hyphae, which separate above 



into a cylindrical head; conidia ovate or lemon-shaped, 



concatenate, almost colourless, S x o fx. 



Stysanus stemonites, Corda, Icon. Fung., i. p. 22, t. vi. 



f. 283; Sacc, Syll., iv. n. 2951. 

 On trunks, branches, leaves, &c. 



