MONOGRAPH OF CHAETOMIUM AND ASCOTRICHA 181 
Chaetomium Fieberi Fuckel, Symb. Myc. 90. 1869. Not Ch. 
Fieber? Corda. 
Chaetomium glabrescens Ellis & Everhart, Proc. Acad. Nat. Sci. 
Phil. 1893: 130. 1893. 
Chaetomium graminicolum Fuckel, F ung. Rhen. VII, 647. 1863. 
Chaetomium graminis Rabenhorst, Bot. Zeit. 34: 569. 1851. 
Chaetomium lageniforme Corda, Icones т: 24. pl. 7, f. 2034. 
1637. 
Chaetomium Libertii Roumeguére & Patouillard, Rev. Myc. 5: 
15. pl. 35, f. 2. 1883; Fung. Gall. XXIV, 2376. 
Chaetomium pannosum Wallroth, Flora Crypt. German. 2: 267. 
1833. 
Chaetomium velutinum Ellis & Everhart, Jour. Myc. 1:90. 1885. 
Conoplea atra Sprengel, Syst. 4: 554. 
Conoplea atra Persoon, Syn. Fung. 1: 235. 1801. 
Sphaeria comata Tode, Fung. Mecklenb. 2:15. 1791. 
PLATE 6, FIGS. I-5 
Black. Perithecia large, ovate, 435 X 391 и (418-500 Х 334- 
451), seated on a subiculum of dark olive-brown to black rhizoids 
which most frequently hold the perithecia in place through old 
age. Lateral hairs numerous, long, slender, graceful, unbranched, 
near the base dark olive-brown to black, coarsely roughened and 
about 5 и in thickness, gradually tapering and fading to slender, 
Pale to hyaline smooth tips which are obscurely septate. Ter- 
minal hairs extremely coarse, conspicuously roughened through- 
out with irregular pyramidal projections and blunt spines, once 
ог twice dichotomously branched with the branches widely 
Spreading and often reflexed and once or twice irregularly forked 
by an acute angle, at base black and about 9.5 р in thickness, 
tapering and fading to slender, hyaline tips. Asci broadly and 
irregularly club-shaped, 8-spored, 64-75 Х 17 и, pars sporif. 34 и. 
pores hyaline to light olive when young, when mature dark, 
rich, olive-brown, lemon-shaped, apiculate at both ends, 12.8 
X 8.7 u (12-13 X 8.4-9.5), when seen edgewise, compressed, 
7.4 и broad. 
ExsiccATI.—Brit. Fung. I, 49; Deutsch. Schwäm. 184; Erb. 
Crit. Ital. ХУП and XVIII, 877; Fung. Aust. Х, 989; Fung. 
Bavar. Х, 927; Fung. Brit. I, тоо, and ІП, 290; Fung. Carol. Ш, 
66; Fung. Columb. VII, 621, and XI, 1034; Fung. Europ. VI, 
529, XII, 1147, and XXVI, 2527; Fung. Fenn. ІХ, 820, and 
