392 FUNGUS-FLORA. 



ScoJecotrichum stlcticiim, B. & Br.; Sacc, Syll., iv. n. 

 1660. 



Helminthosporium stidicum, B. & Br., Ann. Nat. Hist., n. 

 758 t. XV. f. 10. 



On dead leaves of grass. 



Scolecotrichum clavariarum. Sacc. 



Hyphae densely aggregated, simple, short, straight, 

 obtuse, septate, blackish ; conidia oblong, 1 -septate, con- 

 stricted, pellucid or opaque, 15-20 X 8 /x, cells often unequal, 

 1-guttulate. 



Scolecotrichum clavariarum, (Desm.), Sacc, Syll., iv. n. 

 1661. 



Parasitic on Clavaria riigosa and C. fuliginea. 



POLYTHEINCIUM. Kze. & Schm. 



Hyphae erect, fasciculate, short, rather thick, distinctly 

 and regularly wavy or twisted, blackish ; conidia obovoid, 

 1 -septate, acrogenons. 



Polythrincium, Kunze and Schm., Myk., Heft i. p. 13; 

 Sacc, Syll., iv. p. 350. 



Polythrincium trifolii. Kze. & Schm. 



Hyphae rigid, short, regularly twisted or waved, hypo- 

 phyllous, forming grumous olive-brown patches that often 

 become confluent, seated on yellow spots; conidia obovate, 

 1-septate, constricted, pale olive, 20-24 x 9-12 /x. 



Polyth'incium trifolii, Kunze, Myk., Heft i. p. 13, t. 1, 

 f. 8 ; Sacc, Syll., iv. p. 350. 



CLADOSPORIUM. Link. (fig. 2, p. 397.) 



Hyphae subdecumbent, branched, olive ; conidia at first 

 subglobose, then elliptical and typically 1-septate. Some- 

 times 2-3-septate and forming terminal or lateral short 

 chains of 2-3 conidia. 



Cladosporium, Link, sp. pi. Fung., i. p. 39 ; Sacc, Syll., iv. 

 p. 350. 



