52 NORTH AMERICAN SORDARIACEAE 
Sept. 1899 (Carter); cow dung, Biloxi, Miss., Sept. 1899 (Tracy); 
cow dung, Kingston, R. L, Dec. 1899 (Underwood); cow dung, 
Rooks Co., Kan., August, 1899 (Bartholomew); Great Falls and 
Summit, Mont., August, 1900 (Griffiths & Lange). 
12. SORDARIA LEUCOPLACA (B. & R.) E. & E. N. Am. Pyren. 
I27. 1892 
Sphaeria leucoplaca B. & R. Grevillea, 4: 143. 1876. 
Hypocopra leucoplaca (B. & R.) Sacc. Syll. Fung. 1: 244. 
82. 
Sordaria microspora. P. & P. Grevillea, 6: 28. Al. 94, f. 3. 
1877. 
Hypocopra microspora (P. & P.) Sacc. Syll. Fung. I: 241. 
1882. 
Perithecia scattered, superficial or sunken, 180-250 p in diam- 
eter, membranaceous and often quite brittle, subglobose to pyri- 
form, with usually a short papilliform or conical beak which, 
together with all exposed portions, is uniformly covered with short 
erect dark brown or black septate hairs or bristles. 
Asci 8-spored, cylindrical, with a truncate perforate apex and 
a short contracted stipe, 60-120 م‎ x 8-9 p: سر‎ filiform, 
obscurely septate and a trifle longer than the asc 
Spores uniseriate, ellipsoid to subglobose, sexys rounded at 
the ends, often slightly flattened, 5-6 عام‎ 6.5-9 a; germinal 
pore extending along one side nearly the length of the spore; 
gelatinous envelope plainly visible only after the spores have been 
removed from the ascus. (PL 5, f. 9-15. 
Distinctive characters: Bristly perithecium and small size 
throughout. 
Dry specimens: On cow dung, Ravenel, Fung. Car. Exsic. 4: 
no. 61. 
Cultivated specimens: On horse, cow and goat dung, New 
York City and Ft. Lee, N. J., summer, 1889; cow dung, King- 
ston, R. I., Dec. 1899 (Underwood); horse dung, Aberdeen, S. 
D., Sept. 1899 (Towne); cow dung, Highmore, S. D., Sept. 
1899 (Carter); cow dung, Biloxi, Miss., Sept. 1899 (Tracy); 
burro dung, Hermosa, Colo., March, 1899 (Baker, communi- 
cated by Earle); horse dung, Auburn, Ala., Aug. 1899 (Earle) ; 
horse and cow dung, Summit, Mont., Aug. 1900 (Griffiths and 
Lange). 
