SPHAEROPSIDIACEAE 425 



Phoma hennebergii, J. Kiihn, Hedw., 1877, p. 121. — 

 Perithecia scattered on brown spots, erumpent, rounded, 

 black, 100 /i diam. ; conidia cylindrical, continuous, some- 

 times slightly curved, 14-18 X2-2'5 ju., hyaline. 



Hab., Paleae and leaves of Triticum sativum, Germany, 

 Denmark. 



Vermicularia, Fries. — Perithecia erumpent or subsuper- 

 ficial, membranaceo-carbonaceous, black, globoso-conical, 

 at length concave, apex perforated or mouthless, clothed 

 with long, rigid, septate, fuliginous hairs ; conidia typi- 

 cally cylindric-fusoid, often inaequilateral, continuous, 

 borne on variously formed basidia. 



In some species the perithecium is imperfect or pezizoid. 



Vermicularia circinans, Berk., Gard. Chro9i., 185 1, p. 

 595. — Spots orbicular, perithecia concentrically arranged, 

 seated on radiating, hyaline, septate mycelium, very 

 minute, furnished with long, rigid hairs ; conidia oblong, 

 obtuse, 2 -many-nucleate, hyaline, 10-14 X 3-4 /*• 



Fusicoccum, Corda. — Stroma subcutaneous, erumpent, 

 black, internally divided into several cells or cavities, the 

 walls of which are lined with spindle-shaped, continuous, 

 straight conidia. 



Differs from Cytispora in the larger, fusiform conidia. 



Fusicoccum abietinum (Hartig), Prill, and Dela., Bull. 

 Soc. Myc. France, Feb. 1890; Sacc, SylL, x. p. 241. — 

 Stromata black, conical, subgregarious, apex piercing the 

 tumid cortex, 400-600 i>. diam. pluricellular within; conidia 

 hyaline, fusoid, ends acute, straight, pluriguttulate, 12-14 

 X 5-6 /u ; conidiophores acute, 10-15 X i'5"2 /"• 



In living bark of Abies excelsa. 



Distr. — Germany, France. 



Quite distinct from Dothiorella pitya, Sacc. 



