THAXTER. — MONOGRAPH OF THE LABOULBENIA* I . 257 
auricles, and the conformation of the tip of the perithecium. A few s]x imens lack entirely 1 1 u usual 
blackish-brown suffusions, and except for the auricles verv closely resemble typical iodi vidnal s of D. 
wince ps. It was found abundantly on a single specimen in a luge series of its Ih>s< in l>r. Sharp 
Collection. 
Dichomyces Peruvian! m Thaxter. Plate XXX, fig . 3 >. 
Arts 
'•00 
■ Receptacle with faint brownish shades especially along the |>ta. almost in the form of two sup. r- 
posed isosceles triangles, the lower very regular, including the h;i al cell and the first and second tut. 
its distal margin horizontal, the upper truncate at the base and distall) c omave. The basal cell liort, 
the lower tier consisting of from three to four cells, nearly equal in length; the middle tier of typically 
thirteen cells, the antheridia of medium size, the outer five cells distallv appendiculati our of the append- 
ages situated behind the antheridium as usual; the distal series consisting of usually twenty- ■ u . Is 
bearing typically four perithecia, the appendages placed as usual, colorless, somewhat shorter than the 
perithecia, which are mostly brownish externally and hyaline on the inner side, the brown or reddish 
fawn-color sometimes predominating, asymmetrical, somewhat inflated, slightly bent inward near th. 
tip which is small, pointed, and well distinguished. Perithecia about 120 X 30 p. Rm-ptaclc 207- 
240 X 140-175 fi. Appendages 185 p (longest). Total length to tip of perithecium 300 !50> 
On Brachydems simplex Sharp, Sharp Collection, No. 771. Peru. ( >n Ploriopirms laiw Sharp 
Garrao, Amazon, Sharp Collection, No. 1150. 
The types of this species from Peru (fig. 4) are somewhat more slender and darker than the Amazon 
material (fig. 3). The species differs from all others by the pointed Dp of its perithechtm , which results 
from a prolongation of the posterior lip-cell, i. e. on the side opposite that which corresponds to the in- 
sertion of the antheridia. The suffusion of the anterior and posterior wall-eells is also a well mark 1 
character not seen elsewhere, the limitation of peritheeial suffusions in other specs being transver. a 
rule. It is most nearly allied to D. prince ps, stout forms of which often resemble it dearly except for 
the peritheeial suffusions and pointed tip. 
Dichomyces princeps Thaxter. 
p|K arane. 
_l lie ut^unciitc ui luiiuo ivavio""i'5 v»..^ ~^~ , - •I'll 
under D. vidgatus and D. duUus. Specimens of the typical form occurring una oe.ated with any other 
* . ~ „ ~» ... * m* xt o~t DL:i~~4h.,o cm Rims. *ranc : N<». 3S0, / fnl- 
have been found as follows. 
nave ucen iuuiiu cia juuuws. wuuom *.*-.m«^**— --^- ~.- 7 - 
onthus sp., S. W. Australia; No. 400, Philnnihus Scalar,,,. Madeira; No. 1 I'^mhus eephatoe. 
.... -v ~*r» /I)! L , ' / \J \ \ j.Vim fill ItlUliUt- 
Grav., Europe; 
Q 
TIKI 
? Philonthus sp 
mnis Solsk.: Paris Museum; No. 208, on P. long* n 
Mexico: Berlin Museum No. 815, P. §0fdidu», Europe 
•didus 
Dichomyces infectus Thaxter. Plate XXXI, figs. 3 4. 
This species, which was described from a unique type, has been found again at J-Y A ^ <*£ 
L ,- :.*...] w ith D. fureolus, or a form hardly distinguishable 
ited in fig. 4, but sometimes develops short "fori 
[ and usually diverge decidedly. 
perithecia are always normally paire 
Dichomyces Angolensis Thaxter. Plate XXX fig -7. 
Proc. Am. Acad. Arts and Sci., Vol. XXXV, p. 421. Apn.. im 
Basal cell hyaline. Lower tier opaque or the middle cell subhyalme, the margma. «Us 
extending up onVither side of the middle tier: middle tier relat.ve.y large, eons^n of al* iUh.rt.en 
to sixteen h -aline cells, the three to four external on, continuing the margm of teM £er dm mI> mJ 
»,u., mLv^ - ki„„i^ k,W Pach hearinc a normal appendage; the anthendu of medium 
