NEW LABOULBENIALKS. 223 



receptacles which grow acropetally in opposite (Hrections, eacli con- 

 sisting of a single series of cells which usually passes distally into an 

 appenflage-like termination. The cells of these receptacles may be 

 so crowded that they appear to form a compact multicellular body, 

 like that of Teratomyces; or they may grow out quite free on either 

 side of the primary axis, sometimes curving backwards and meeting 

 so as to form a more or less complete ring around the foot. Such 

 strongly curved axes usually lie flat on the surface of the host the 

 perithecia projecting upward from them. A variable number of the 

 basal cells of these receptacles give rise to branches, and in a majority 

 of cases, where their origin can be cjearly seen, this branch seems to be 

 single, its basal cell gi^'ing rise, however, either to secondary branches, 

 which are usually those on which the antheridia are borne, or to 

 perithecia, or to both. When the perithecium is mature, it thus 

 usually appears to be subtended by the primary branch which it in 

 reality subtends. 



CUCUJOMYCES ELEGANS Speg. 



What appears to be this species was found on the elytra of Hyliota 

 Chilcnsis at Corral associated with all the other forms that occur on 

 this host. The basal cell is more or less deeply tinged with brown; 

 the insertion of the stalk-cell is black, the stalk itself is hyaline, or 

 very faintly purplish, the perithecium pale purplish, but it is other- 

 wise absolutely hyaline. I have separated the following form from 

 it on account of its invariably blackened septa, purple or partly 

 blackened perithecial stalk and somewhat different appendages, the 

 cells of which are smaller, shorter and more numerous; usually sepa- 

 rated by slight constrictions, the thin black septa edged below with 

 faint purplish brown, suffusions. The appendages and their branches, 

 which are more divergent and give the effect of dichotomy, are usually 

 more numerous and rigid, but the form may be merely a variety or 

 possibly a hybrid. 



Cucujomyces intermedius nov. sp. 



Similar to C. elcgans. The basal cell slightly suffused; the peri- 

 thecia similarly modified, the stalk purple, often dark, or the upper 

 portion quite opaque; the primary and secondary branches and 

 branchlets numerous, divergent, mostly rigid and but slightly i" at 

 all curved ; the larger axes of both branches and branchlets composed 



