MOXOGEAPU OF THE LABOULBENIACE^. o 1 7 
ous, tapering, more or less divergent branches, which arc ilumsclvos niorc or less Iranched ; 
the inner basal cell becoming several times divided and giving rise to nunjcrous branches 
densely crowded nnd similar to the external ones. Receptacle consisting of a long sub-cylin- 
drical basal cell, the sub-basal cell shorter and broader, cells Ill-V unusunlly large, causing this 
portion of the receptacle to bulge outward in an evenly rounded and charnctcrlstic fiishion. 
Perithecia, 166 X 55 /t. Aj.i.endagcs (longest), 150 /i. llcceptaclc, 21 5 ^ long, its ba^nl cell 90- 
110 X 25-40 ix. Total length to tlj) of pcrithcciuni, 315 ^ ; greatest width, 75 ft. 
On Bcmhidlum s])., Connecticut, Washington. 
This species, although based on scanty materi:il, seems quite distinct from its nearest allies, 
L. luxurians and L. compaeta. Although the general arrangement of the uppcndn^ics is similar 
in the present species, their llcxuous, divergent, tapering habit is qnitc different from that of the 
two forms just mentioned, from which it is also distinguislicd by its larg.T size and peculiarly 
shaped receptacle. It occurs on the legs of a very small metallic-green Ih-mbidium. 
Labodlbenia minima Thaxter, Plate XXI, figs. 8-11. 
rroc. Am. Acad. Arts ftnd Sci. Vol. XXY IH, p. V5. 
Punctate, suffused with olive-brown, becoming nearly opariuc, except the hyaline basal c»>ll. 
^Pcrithccium becoming rounded in outline, short, nearly straight, the ape.t broad, truncate, 
coarse-lipped, distinctly punctate and. nearly opaque at maturity. Appcn<lngrs arising from a 
rounded base of insertion, composed of several cells and not distinguished from the receptacle, 
densely clustered, the lower segments nearly hyaline, oval or rounded, with blaclc septa, the idfi- 
mate branches cylindrical, hyaline, strongly curved towards the perithccium. Receptacle very 
short and stout, the basal cell hyaline, the rest nearly opaque and inmctato. Spores, 40 ^ 3.5 /i. 
Perithecia, 80 X 40-48 /x. Appendages (longest), 75 fi. Total length to tip of perithecia, 145- 
150 /i. 
On Callida palUdipennh Chaud., Panama. 
With the exception of L. Uageni this is the smallest species of the genus. The perithccium 
is proportionately large, sometimes very large, as in fig. 8, the distal [lortion of the receptacle 
being much reduced. The appendages resemble to some extent those of L. Ivsurians, and their 
original relations are clearly shown in fig. 10, the inner basal cell producing a row of branches 
placed antcro-posteriorly on either side. The appendages are usually almost entirely broken off 
as in fif'. 8. Abundant material was obtained from the legs and elytra of a specimen of its host 
in the Museum of Comparative Zoology. 
Laboulbenia Quedii Thaxter. Plate XVII, fig. 7. 
Proc. Am. Acad. Arts and Sci. Vol. XXVUI, p. 167. 
r 
Perithecium rather small, straight, suffused with brownish, darker externally just below 
the apex, the lips turned outward, the outer hyaline, the inner blackened. Outer appendage 
consisting of a rather large basal cell bearing two branches, the outer strongly curved out- 
ward, usually bearing two secondary branches from its basal cell, suffused with blackish ; the 
