694 



H. teres, Schw. Syn. N. Am. 2077. 



Perithecia subcylindrical, 2 mm. or more long, elevated, subflex- 

 uous, narrowed at the ends and subacute, black, glabrous, lusterless, 

 lips subinflexed, open, seated on a greenish-fuliginous crust. Asci 

 cylindrical, 75-80 x 12 // with abundant paraphyses. Sporidia, sub- 

 biseriate, cylindric-oblong, 3-septate, straight, not constricted, end cells 

 hyaline, 15-22 x 6-7 (i. 



On decaying wood of Rhododendron, Carolina and Pennsylvania, 



(Schw.). 



Differs from H. pulicare only in the shape of the perithecia. 

 H. macrosporum, Pk. 26th Rep. p. 83. 



Perithecia superficial or nearly so, oblong or elliptical, sometimes 

 slightly flexuous, 200-400 fi long, black, opening by a narrow chink, 

 the lips slightly striate. Asci subcylindrical, 125-150x25-30 /ut, 

 4-8-spored. Sporidia crowded in the ascus, oblong or subfusiform, 

 sometimes slightly curved, at first colorless and uniseptate, then col- 

 ored and triseptate, 40-57 x 12-15 fju 



On decaying wood of pine, New York (Peck). 



H. sphaeriaceum, Ell. Am. Nat. 1883, p. 193. 



Erumpent, minute, hemispherical, \-\ mm. diam., gregarious, 

 black, and nearly smooth, but not polished or shining, lips closed, 

 slightly prominent. Asci subcylindrical, subsessile, 55x7 //; par- 

 aphyses obscure. Sporidia biseriate, fusiform, hyaline and nucleate at 

 first, becoming yellowish and 3-septate, often slightly constricted at 

 the septa, 12-20 x3-3| p.. 



On decaying wood, Decorah, Iowa (Holway). 



This approaches Lophiostoma. Has much the same general ap- 

 pearance as some of the abbreviated forms of Glonium parvulum, 

 Ger., but the fruit is different. The glandular hairs mentioned in the 

 original diagnosis are evidently some hyphomycetous growth and only 

 accidental. 



H. magnosporuni, Ger. in Proc. Poughkeepsie Acad, of Nat. Sci. 

 Feb., 1875, p. 5, pi. 1, fig. 9. 



Perithecia erumpent-superficial, about 1 mm. long, straight or 

 slightly curved, ends subobtuse, black, subshining, longitudinally 

 striate; lips slightly open so as to leave but a narrow fissure; ususlly 

 one or two of the striae on each side, near the apex, are deeper and 

 more distinct. Asci clavate, 150x35-40 //, with a short stipe and 



