164 
Terminal hairs more slender, finely coiled 
above into a spiral of small diameter which 
tinuously arcuate from base to incurved 
Terminal hairs incurved at tips, spores ir- 
regularly ovate. Plant gray, pale olive 
or golden yellow. 
Terminal hairs circinate or slightly convo- 
lute at tips. Spores Plant 
gray to pale olive. 
Terminal hairs 1-3 spirally convolute at 
tips. Spores with shape of a section of 
an orange. Plant olive yellow. 
II. Terminal hairs constantly and conspicuously 
at least not 
fusiform. 
small, not ex ceeding 160 и in 
der Plant black at maturity, gray- 
green in old age 
Terminal hairs of two types; (a) stout, 
ranching by obtuse angles with branch- 
lets reflexed; (b) more slender, irregularly 
ed, branching by 
Perithecium not 
Plants black 
when young, black at 
never dichotomously 
form of stiff, spine-like 
Perithecium extremely 
lant ochraceous. 
branched, with branches 
ork, 
spirall 
MoNoGRAPH op CHAETOMIUM AND ASCOTRICHA 
9. Ch. subspirale (p. 173). 
10. Ch. aureum (p. 174). 
II. Ch. fusiforme (р. 175)- 
12. Ch. trilaterale (р. 175). 
13. СВ. funicolum (р. 176). 
14. Ch. indicum (р. 178). 
15. Ch. elatum (p. 180). 
16. Ch. spinosum (р. 187). 
17. Ch. ampullare (p. 187). 
18. Ch. cuniculorum (p. 188). 
