176 MONOGRAPH OF CHAETOMIUM AND ASCOTRICHA 
or differentiated rhizoids. Lateral hairs numerous, graceful, 
rather long, regularly and distinctly septate, golden-yellow, at 
base straight, minutely roughened and about 2.8 и in thickness 
near tips, smooth and 1-3 spirally convolute. Terminal hairs 
stouter and more darkly colored than the lateral ones, dark olive- 
pars sporif. 26 џи. Spores when young hyaline with obscure 
globules, when mature rich olive-yellow to olive-brown, having 
the shape of a section of an orange, slightly apiculate at both 
ends, 9.5 X 5.5 u (8.9-9.7 X 5.2-6). 
This species has appeared only once, on paper, from New 
England, Herb. R. Thaxter (Chivers No. 2). 
This species has certain characteristics іп common with 
Ch. aureum and Ch. fusiforme. From the former it differs in the 
more numerous, stout, 1-3 spirally convolute, terminal hairs; 
the spirally coiled lateral hairs; the smaller size and unusual 
shape of the spores. From the latter species it differs in the 
convolute lateral hairs, the shape of its spores and their smaller 
size. 
13. CHAETOMIUM FUNICOLUM Cooke, Grevillea т: 176. 1873 
Chaetomella Сатайй Mattirolo; Savoia, П Ruwenzori т: [3]. pl. 3, 
11535: 1909. 
Chaetomium Bartholomaei Saccardo & Sydow; Saccardo, Syll. 
Fung. 14:490. 1899. 
Chaetomium setosum Ellis & Everhart, Am. Nat. 31: 340. 1897. 
PLATE 7, FIGS. 0-19 
Black. Perithecia small, ovate to globose, 149 X 147# 
(130-157 X 130-158), firmly attached to the substratum by 
dark olive to black rhizoids, frequently provided with long, 
straight or curved cirrhi. Lateral hairs comparatively numerous, 
smooth or irregularly roughened by short, blunt projections, stiff, 
spine-like, dark olive-brown to black nearly to tip, hyaline and 
crumpled at tip, rarely and obscurely septate, about Ap in thick- 
ness at base. Terminal hairs forming an especially dense, com- 
pact head, dichotomously branched with narrow, acute angles, 
frequently alternately constricted and inflated throughout, 
roughened over entire length by spines and irregular projections, 
near base dark olive-brown to black and about 6.3 и іп thickness, 
