Botany. ' 1027 
without the basal cupule, though it is generally present in all 
fully-grown examples. This leads us to suggest that it might 
be well to distribute the species of sections 2 and 3 among 
_ those that follow. 
4. Striati.—Peristome sulcate-plicate or pectinate-striate. 
= Avwell-marked section! It comprises ten species. The salient 
= species are G. bryant Berk., G. umbilicatus Fr., and G. striatus 
_ D.C.; the others cluster about them as more or less closely- 
_ telated species. The five species, G. striatus, elegans, striatulus, 
ambiguus, drummondii, form an elegant group of remarkably 
_ hear relatives. 
F be identical. ; 
_ 7. EXAREOLATI.—Pzristome either dentate, always destitute of 
e circular areola, or irregularly or stellately dehiscing. 
_ tis section comprises nine species, including the well-known 
“rufescens Pers. and G. hygrometricus Per 
Besides th 
s. 
seven sections there 
fectly described, 
em the singular G. Ankit Spreng., which does not seem 
fave been found by any one except Link and Schweinitz. 
are are specimens of it in Schweinitz’s herbarium, they 
pn be carefully described. Te ee, 
here is ‘an interesting table of the geographical distribution 
the species. The seventeen species in the United States 
ve been increased by the addition of G. coliformis, from 
of Mycology, vol. i. p. 7. x- 
"alg good plates Fairs pve characteristic species and 
: Bea so wellknown.  . : 3 
tom the Western plains we have lately received two species 
a nike any examples in our possession, and which seem 
Det, Site different from any of the species described in Dr. 
„Onis monograph. We figure and characterize them as fol- 
; the segments (eight to ten) reflexed, whitish below, 
Within. Inner peridium globose, subpedicellate, verru- 
aster campestris Morg. (Fig. 1)—Outer peridium thick, 
e 
