THAXTER. — MONOGRAPH OF THE I.ABOULBKNIACK. 251 
Ceylon, British Museum, Xos. 377-378: on P. rectanyuhu Sharp from Japan, Sharp Coll., \os. 11 
and 1131. 
as 
with a second form similar in size and general appearance, except thai the fork-like projection! wen 
less prominent, or undeveloped, and that the perithccia were relatively larger and without the eharac- 
teristic auricles. 
been 
the auricled form, on hosts from Fresh Pond, and has also been examined from tin- follow in KMtross: 
on P. cinclipcnnis Fan v., Sharp Coll., No. 1173; and on P.dueoidcux from theCanaries, British Mil urn. 
No. 404; as well as on Phihnthus sp., No. 493, from Balthazar, Grenada, \\\ >t Indies. Variations 
of this simpler form are illustrated in Figs. 10-12, Plate XXXI. and although I was at first inclined to 
furci ferns and D. Caftan us, to wliieli it is loo closely 
iv« con- 
cluded to designate it, provisionally at least, as a variety of the former, in view of the dimorphism which 
certainly occurs in various other species of the genus. Of the figures in tin companying plate, fig. 12 
represents the largest individual seen, and is taken from the Abyssinian nu rial, while the two others 
were collected about Fresh Pond. Other variations occur which resemble I), furciferm more closely in 
showing a more marked development of the fork-like projections of the middle tier. 
DicitOMYCES Belonuciii Thaxter. Date XXXIII. fif fi !). 
Proc. Am. Acad. Arts and Sci., Vol. XXXVII, p. 27. June, 1901 . 
Receptacle relatively large and long: the distal tier relatively small, eon ring of from eleven to 
thirteen short cells, slightly suffused, the median cells little longer than the rest, the serf - formin slight, 
rounded, sometimes almost obsolete lateral projections on either side of the peritheds the b; al cell 
small, partly transparent: the lower and middle tiers not distinguished, uniformly opaqu- i portion of 
the middle cell, and sometimes the tips of other cells in the middle tier, more or I, . translucent U> 
marginal cells ending in a light rounded prominence below the base of the anther.dnnu. Pentheeia 
normally two, evenly suffused with pale reddish brown, rather long and slender, ta, r.ng thronghout, 
the conformation of 'the lip-cells much as in D. fureiferus. Spores about 30 X 3 < Pentheeia <■> Sfl X 
a. Receptacle 108-126 X 54-58 a. Total length to tips of pentheeia 185 200 «. 
On the abdomen of BeUmuehm fiucif** Fauvcl. New Guinea. Sharp flection, No. 1090. 
This species is most nearly allied to D. furcijem*, from which it is dnrtrngmshed by its longer mom 
slender perithccia, and the almost complete opacity of the two lower tiers, the middle one produemg m- 
conspicuous rounded projections in place of the long fork-like outgrowths character** of its ally. 
DtCHOMVi F.S VULGATUS Thaxter. Plate XXXI, figs. 54). 
Proc. Am. Aead. Arts and Sci., Vol. XXXV. p 421. April, WOO. 
Receptacle variable, typically short and stout, the basal cell small squansfa hyaline; the lower ber 
externally^,-, except Z whole or the middle of the median «* «r only its upper en he opaq« 
margin iivelgent, extending above the base of the send tier, the blackened margm d ^ ; ; 
tinuous with that of the first tier; sometimes, like it. divergent more often ^J^S^mZ 
even erect, extending upward to form on either side ^^^^JSSlT^U^Z 
18-20 
even erect, cxieiuimii w u iu 101m wn *,«*»«~- ~~-~ •.« • 
projection «l,i,l, Zy Ln.i to a point *-** *». Uk „,i,l.lle of ,he pm.lw«. « -V ■ 
with transversely 
large, pointed, with two or three short, incons 
external to it. The upper 
normally four sometimes two pen 
Tin all 
ppendages placed one bcl 
cells, producing 
lam . Peri- 
normally tour sometimes two penwro « mm*~~~", — — > mnAln* in 'i simrlc Mini 
-I » eLt or *** divert, *** di~*phic: ~r**~J*f£ kI, ZZ < 
t 
tapering to a blunt tip 
n urved car-like outgrow 
