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, 14-18X2-2*5 /*, 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. 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 /*. 



Fusicoccmn, 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. 



Fusicoccmn 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 fj, conidiophores acute, 10-15 X i'5-2 /*. 



In living bark of Abies excelsa. 



Distr. Germany, France. 



Quite distinct from Dothiorella pitya, Sacc. 



