400 THAXTER. — MONOGRAPH OF THE LABOULBENIACE/E 
lightly outward, or straight, rather blunt; the lip-edges translucent, the lip-cells rather prominent, black- 
ened below, especially on the inner side. Receptacle short coarsely punctate, triangular, cell I short, 
lender, cur\e< 
be com 
which is finally wholly opaque. Cells III and IV elongated and lying obliquely side by side, cell III form- 
ing a more or less prominent rounded projection below the apex of cell IV which also forms a slight exter- 
nal prominence just below the insertion-cell, both cells coarsely punctate, becoming opaque; cell V rather 
large, at first hyaline, becoming later suffused with brown; cell VI and the other cells below the peri- 
iheeial neck coarsely punctate transluscent. Insert ion -cell black, very broad, often becoming indis- 
tinguishable from the basal cells of the appendage. Outer appendage consisting of a subtriangular basal 
cell distally rounded, becoming deeply suffused with blackish brown, prominent externally and coarsely 
punctate; surmounted by a Series of obliquely superposed cells close set, their long (transverse) axes some- 
times almost perpendicular, each bearing externally a single simple branch, the two lower cells of which 
are longer than broad, tinged with brown, the septa dark and often oblique; the distal portion hyaline, 
twice as long, blunt-tipped: the inner appendage consisting of a smaller basal cell also b 
co mi 
surmounted 
and similarly branched, except that the two or three lowest cells of the scries bear a short one-celled branch 
terminated by usually three slightly curved brown antheridia. Spores 52 X 4 /£. Perithelia 110 X 22- 
160 X 33 /i, exclusive of neck which is 20-30 /*. Total length to tip of perithecium 
ell about 9O-110 u; greatest width 40-55 a. Appendages 90-130 a. 
175^300 
On Trichognathus sp., Paris Museum, No. 72, Venezuela. On Galerita sp., U. S. Nat. Museum 
No. 23, Bobo, Mexico. Un Ualenta sp. Berlin Museum No. 961, Mexico. 
This species, which occurs on the legs, elytra, and other parts of the host, is distinguished by its short 
tout habit and densely black punctate perithecium, which is similar to that of L. Galerita in this respect. 
The specimens from Bobo are slightly more slender than the type material from Venezuela (Paris No. 
72), the receptacle, above the basal cell, less triangular and less deeply suffused, but otherwise exactly 
similar. It is most nearly related to L. media, but is well distinguished by its smaller size, and especially 
by the different structure of the receptacle and basal portion of the appendages in the latter, and their rela- 
tion to the insertion-cell. 
Laboulbexia media Thaxter. Plate LXII, figs. 3-4. 
Am. Acad. Arts 
June, 1902. 
> * ~— *—«-*». T AAA, p. 1J, U UI1C, IW£. 
Perithechim usually narrow, straight, erect, sometimes slightly inflated, the basal wall-cells forming 
< relatively long, weH-dirtmguUhed, hyaline or subhyaline stalk; the basal cells vertically elongated; the 
as. -.gomus portion marked by distinct transverse blackish coarse granular striatic-ns throughout, and 
becoming oj»que „r nearly so; the tip erect, the apex slightly asymmetrical, subtended by a darker shade 
on the inner sahN Receptacle medium to short, the basal cell hyaline, becoming dirty brownish yellow; 
eel , I nmm deep brownish, the suffusion more or less confined to these cells or involving also cell [I 
and other adjacent cells, the more deeply suffused parts coarsely punctate; cell III extending upward 
sleivll V aluldistally forming a well-defined external prominence, sometimes as distinct as dud 
o e, by the basal cell of the outer appendage; c, lis V and VI wholly or party hyaline becoming dirty 
a I lunmd' I H '" T^ T^ *""*»««■ — ». *-* "holly external to cell V, 
2S f ,""'*! and ° n ' y fina " y inV0 ' V "' h "'- OP**? »f the adjacent cells. The 
ill 1m I, n' ' " "'''"i' ,"""• rg °; SUb,ril " , 8" lar . te ™iug d^tallv and cxternallva rounded promi- 
irei, ni in I 1 '', if y T" c' ?*" ° f "^ ■*" «" fct ° f ««' oI,l i M .» series of branches; 
to n i, mm er f ^^ ^'^ ^ ° b ' ioUel >' <Wmi successively smaller, from about 
i ,1 w ; llt t ": rfs short ' ,he bi " ai <*" ™ rc ^^ *>* «■ ■**-* »»* im . 
phsh bron „, slightly eonstneted at the dark septa; the rest of the branch shorter or not much longer than 
