88 PROCEEDINGS OF THE AMERICAN ACADEMY. 



vestitis, arcuatis, apice 1-3 spiraliter convolutis; ascis clavatis, 

 octosporis, 50 X 9.5 /u, p. sporif. 2(j ii; sporidiis subdistichis, laete 

 olivaceo-flavis, forma sphaerasectoris praeditis, utrinque subapicu- 

 latis, 9.5 X 5.5 M (8.9-9.7 X 5.2-6). 



On paper from New England (Herb. R. Thaxter). 



This species has certain characteristics in common with Chaeto- 

 mium aureum and Chactomiumfusiformc. 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 imusual shape of 

 the spores. From the latter it differs in the convolute lateral hairs; 

 the shape of its spores and their smaller size. 



