108 
Journal of Mycology 
[Vol. 10 
size and shape as No. 18 and doubtless represents the type of 
Cragin’s P. collaris. Considering the whole series it will be seen 
that it embraces examples of every form of Dictyophora with the 
reticulate veil that has been so far reported from the United 
States. 
The absence of a collar in some specimens, which has also- 
been mentioned by Morgan 1 as a character of P. duplicatus 
(Bose) suggests that these forms might be placed under Fischer’s 
var. campanulata. Our specimens, however, all have high ridges 
on the pileus, and the pileus has a hyphal structure. Our speci¬ 
mens also differ from var. typica Fischer in this hyphal structure 
of the pileus. The bands of the veil in var. typica are cylindrical 
instead of flat as in our form. The presence of a netted instead 
of a membranous veil, distinguishes it from Fischer’s var. Far- 
lowii and the high toothed ridges on the pileus from his vars. 
Guyanensis and Lauterbachii. 
Burt’s argument in favor of retaining D. duplicata (Bose) E. 
Fischer as a species seems conclusive. 
The range of variability in the height of the plant must be- 
taken as from 5.6 to 24 c. m. instead of from 15 to 24 c. m. The 
apical collar also, which seems to have been always present in 
the forms seen by Burt, must be regarded as varying in width; 
from o to 1.2 c. m. 
Madison, Wis., March 28, 1904. 
A NEW HYPHOLOMA. 
T. D. A. COCKERELL. 
The following species, collected in New Mexico, seems to 
be new — in which opinion Professor Earle coincides. The de¬ 
scription is as follows: 
Hypi-ioloma pecosense Cockerell n. sp. — Pileus 2\ to 
nearly 4 cm. diam., slightly convex, middle of disc low-conical 
in some, margin nearly vertical, surface smooth, slightly in¬ 
clined to be viscid; not at all straite, scaly or silky; creamy-white, 
more ochreous centrally, but always pallid; margin with remains 
of veil as light yellow irregular scales; gills pale purplish gray, 
inclined to be white at junction with stipe, their margins min¬ 
utely white-furfuraceous; stipe 5^ to nearly 9 cm. long, yellowish- 
white or very pale ochraceous, slightly striate from the very nar¬ 
rowly decurrent gills above, and also albofurfuraceous, otherwise 
smooth and shining; upper part hollow. Flesh mild, not bitter,, 
not changing color on bruising or breaking. Spores purple-brown., 
quite dark, oval, 12 fx long, 8 broad. 
1 Loc. cit. 
