SPHAEROPSIDIACEAE 425 



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

 Perithecia scattered on brown spots, erumpent, rounded, 

 black, TOO /*diam. ; conidia cylindrical, continuous, some- 

 times slightly curved, 14-18X2-2-5 /A, hyaline. 



Hab. t 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. Chron., 1851, 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, 10-14x3-4 p. 



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 //. diam. pluricellular within; conidia 

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

 X 5-6 /x ; conidiophores acute, 10-15 X 1*5-2 /*. 



In living bark of Abies excelsa. 



Distr. Germany, France. 



Quite distinct from Dothiorella pitya, Sacc. 



