Seaver: The Hypocreales of North America 223 



7. Spermoedia Tripsaci (Stevens & Hall) 



Claviceps Tripsaci Stevens & Hall, Bot. Gaz. 50: 463. 1910. 



Sclerotia smooth, white to dark brown or black, nearly conical, 

 4-5 mm. in diameter at the base ; heads gray to grayish-white ; 

 stipe thick, white to purplish-white, 1— 1.5 cm. long; perithecia 

 numerous, ellipsoid in longitudinal section, with a short beak 

 toward the surface of the head, 390 X 153-187 mic. ; asci cylin- 

 dric, 145-175 X 2-3 mic; spores filiform 130 mic. long; conidia 

 hyaline, continuous, fusoid to lunulate, 17.4-37.7 X 2.9-8.7 mic. 



On gama grass, Tripsacum dactyloides L. 



Type locality: North Carolina. 



Distribution : Known only from the type locality. 



Illustrations : Bot. Gaz. 50 : 462, /. 6. 



Doubtful Species 

 Claviceps ? caricina D. Griff. Bull. Torrey Club 29 : 300. 1902. 

 This is said to be Sclerotium sulcatum Desm. (See Mycologia 

 3: 38. 1911.) 



38. Balansia Speg. Anal. Soc. Ci. Argent. 19: 45. 1885. 

 ? Ephelis Fries, Summa Veg. Scand. 370. 1849 • 

 ? Ophiodothis Sacc. Syll. Fung. 2 : 652. 1883. 

 Dothichloe Atk. Bull. Torrey Club 21 : 223. 1894. 



Sclerotia consisting of a more or less compact fungous tissue 

 formed in the stems or inflorescence of plants ; stromata arising 

 from the sclerotium, stipitate and capitate or sessile, separated 

 from the sclerotium by a constriction ; perithecia immersed in the 

 stroma; asci 8-spored; spores filiform, nearly as long as the ascus. 



Type species : Balansia claviceps Speg. 



1. Balansia Hypoxylon (Peck) Atk. Jour. Myc. 11: 254. 



1905 



? Ephelis mexicana Fries; Berk. Jour. Linn. Soc. 10: 353. 1868. 

 Epichloe Hypoxylon Peck, Ann. Rep. N. Y. State Mus. 27 : 108. 



Hypocrella Hypoxylon Sacc. Syll. Fung. 2: 581. 1883. 

 ? Ephelis borealis Ellis & Ev. Jour. Myc. 1 : 86. 1885. 

 Dothichloe Hypoxylon Atk. Bull. Torrey Club 21: 223. 1894. 

 Sclerotia formed in the fruiting axes of the host, curved and 



