62 NORTH AMERICAN FLORA [VoruME 3 
hairs long, slender, flexuous, pale-brown ; apical hairs comparatively few in number, 500“ 
long, 4-6 thick at the base, gradually tapering toward the end, remotely septate, dark- 
brown at the base, paler above, scabrous throughout but especially at the base, straight for 
most of their length but toward the end twisting into a loose spiral once or twice; spores 
brown, broadly ovoid or subglobose, somewhat apiculate at both ends, 9-11 «7-9 yu. 
On an old basket, dead wood, and barley. 
Type collected on an old basket found in the woods, Ann Arbor, Michi March 10, 1894, 
N. Johnson 1562 (herb. N. Y. Bot. Gard.). , Uren areca eee 
DISTRIBUTION : New York to Michigan. 
‘ 
11. Chaetomium bostrychodes Zopf, Sitz.-ber. Bot. Ver. 
Prov. Brand. 19: 173. 1878. 
Perithecia more or less scattered, relatively small, broadly ovoid or subglobose, thin, 
membranaceous, 225-350 & 150-225, grayish in fresh condition, darker and browner when 
dried; lateral and basal hairs slender, flexuous, smooth or slightly incrusted, septate, 
yellow-brown ; apical hairs pale-brown, 4 thick, extending about 450 above the peri- 
thecium, slightly incrusted or sometimes smooth, remotely septate, coiling at the end 5-6 
times in a more or less regular spiral 18-36 in diameter ; asci clavate, small, 50 X 12u 
with a rather short stipe; spores broadly ellipsoid, almost globose, sometimes slightly 
apiculate, 6-7.5 & 5-6 u, pale olive-brown. 
On dog dung, sheep dung, old shoe, potatoes, and decaying portions of animals. 
TYPE LOCALITY: Berlin, Germany. 
DISTRIBUTION : New York to Louisiana; also in Europe. 
ILLUSTRATION: Nova Acta Acad. Leop.-Carol. 42: 1. 20, f. 14-26. 
12. Chaetomium aterrimum Ellis & Ev. sp. nov. 
Perithecia scattered, loosely attached, black, ovoid or subglobose, 275 high, perforated 
at the apex, thin, membranaceous, densely clothed with hairs; lateral and basal hairs 
numerous, smooth or slightly incrusted, flexuous, light-brown, septate, in dried specimens 
breaking off close to the perithecium; apical setae dark-brown, gradually becoming almost 
black toward. the end, thickly incrusted, 64 thick at the base, straight for 120-180, then 
coiling 10-15 times in a close, regular spiral 400-450 long and 50-604 in diameter; setae 
at the tip 10-12 thick; spores yellow-brown, ellipsoid, slightly apiculate at both ends, 
6-7.5 X 4-5z. 
On damaged wheat. 
Type collected on damaged wheat in a stack, Rockport, Kansas, December 21, 1891, Elam Bar- 
tholomew 448 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
13. Chaetomium melioloides Cooke & Peck; Peck, Ann. Rep. 
N. Y. State Mus. 27: 106. 1875. 
Perithecia scattered, small, globose, 175-190» in diameter, dark-brown, thickly clothed 
with hairs; apical hairs branched 2-4 times more or less regularly dichotomously, black up 
to the last divarication above which they become brown, 6-8 wide, 475 long, rigid, 
thickly incrusted; near the apex of the perithecium are a few hairs, dark-brown, slightly 
jncrusted, more slender and of lighter color than the others, ramifying in numerous, short, 
irregular branches, which never extend so high as the first; spores obovoid to globose, 
scarcely apiculate, 5-6 x 4.5-5, pale olivaceous-brown. 
On old stems of Zea Mays L. 
TYPE LOCALITY: North Greenbush, New York. 
DISTRIBUTION : New York and New Jersey. 
14. Chaetomium elatum Kunze; Schmidt & Kunze, Deuts. 
Schwamme 8: 3. 1818. 
Chaetomium pannosum Wallr. Fl. Crypt. Germ. 2: 267. 1833. 
Chaetomium glabrescens Ellis & Ev. Proc. Acad. Phila. 1893: 130. 1893. 
Perithecia densely gregarious, or scattered and simple, subglobose or ovoid, sometimes 
of 2 somewhat turbinate form, 350-375 < 300-350 wide, dark-brown to black, brittle and 
