3S0 
MONOGRAPH OF THE LAEOULBENIACE^. 
tioned under the preceding species, to which it is most nearly allied. As already stated, its 
spores are peculiar for the constriction about their septum, which involves the gelatinous 
envelope. 
Ceratomyces humilis Thaxter. Plate XXV, figs. 11-14. 
Proc. Am. Acad. Arts aud Sci. Vol. XXIX, p. 9-1. 
Hyaline, becoming faintly tinged with brownish. Perithecium ratlier narrow, without any 
appendage, the apex blunt or nearly truncate, its cell-rows composed of not more than seven 
cells. Receptacle composed of from two to five superposed squarish cells. Appendage consist- 
ing of six to twelve superposed cells, the series tapering distally and producing irregularly from 
its inner face branches which may in turn be several times branched and may reach a length 
twice that of the perithecium. Spores, 22x3/x. Perithecia, 100 x 25 yw. Total length to tip 
of perithecium, 150-185 yu.. Longest branches of appendage, 180 ^. 
On Berosus striatus Say, Kittery Point, Maine, 
om 
by its small size and by the absence of any appendage near the tip of the pcrtthccium. It occurs 
more frequently between the terminal claws of the middle pair of legs, but is rarely found on the 
elytra. In two specimens the perithecia have become distinctly tinged with brown, but as a rule 
the whole plant is hyaline. 
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