292 
MONOGRAPH OF THE LABOULBENIACE^ 
outer margin become abruptly thickened below the tip. The oblique ndges, which a e often 
very distinct below the apex on the inner side, and the abrupt outward curvature of the atter at 
maturity serve also to separate it from other known species. It is rather rare and detected with 
some difiiculty. 
Chitoxomyces simplex Thaxter. Plate XXVI, figs. 1-3. 
■ 
HEiiiATOMTCES SIMPLEX I Proc. Am. Acad. Arts aud Sci. Vol. XXVII, p. 30. 
Pale yellowish or faintly brownish. Peritheciura rather slender, continuing the strong curve 
of the receptacle evenly outward to its rather coarse blunt straight tip. Basal cell of the recep- 
tacle much longer than tlic flattened sub-basal cell : terminal cell bell-shaped, small, the whole 
distal portion of the receptacle evenly curved parallel to the perithecium. Spores, 2G X 11 p.. 
Pcrithecia, 65-60 x 11-12 yi. Length of receptacle, 75 /i. Basal cell, 15 X 7.5 /x. Total length, 
90-100 ii. 
On LaccopJiilus maculosus Germ., Eydroporus spurim Lcc, Connecticut. 
A common species, occurring in considerable numbers on the elytra of the host, near the 
middle of the distal portion, possessing the simple typical structure of the genus, and dis- 
tinguished by its evenly curved habit, and the prominent blunt almost cylindrical terminal por- 
tion of the perithecium. 
Chitongmyces Bidessarius Thaxter. Plate XXVI, figs. 4-5. 
Heijiatomyces Bidessaeius : Proc. Am. Acad. Arts and Sci. Vol. XXVIII, p. 185. 
Hyaline, becoming faintly tinged with blackish, Perithecium small, stout, its upper third or 
fifth free from the receptacle, the apex bent outward, the basal portion straight, the tip broad, 
with large, prominent lips. Receptacle stout, the two basal cells more nearly equal, the two cells 
above these longer than broad and nearly equal ; distal portion nearly as in C. lorcalis, the base 
4 
of the short terminal cell horizontal. Perithecia, 40-48 X 15 ^, Receptacle, 65 ^ long. Total 
length to tip of perithecium, 80 /*. 
On Bidessus granarius Aube, Kittery Point, Maine. 
This is among the smallest of all the Laboulbeniacese, and though presenting no great pecu- 
liarities, is distinguished by its stout form as well as the short and very broad but not abruptly 
distinguished tip. It occurs in various positions on tlie upper surface of the elytra of its 
minute host. 
Chitoxomyces borealis Thaxter. Plate XXYI, figs. 8-9. 
IIeimatomtces borealis : Proc. Am. Acad. Arts and Sci. Vol. XXVIII, p. 185. 
Hyaline or slightly yellowish. 
fre 
the receptacle, tapering slightly to the large blunt apex. Sub-basal cell of the receptacle small 
minute) 
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