SYNOPSIS OF THE FLORA OF COLORADO. 155 
access, and that, too, the eastern slopes of the Rocky pete! a 
mostly bare of trees and deprived of atmospheric humidity, the 
lial food of the mosses See catalogue is already soriereahiy <ioh! and 
interesting in neaity poin 
SPHAGNUM ACUTIFOLIUM, Ehbrb., var. TENERUM, Sulliv. & Lesqx. 
Muse. Bor.-Am A as 
Hab. ihe iat ate Porter. ohio Hall; Downi 
PHASCUM CARNIOLI Web. & Mohr.—aA very rare mn fonnd 
as yet i in : Oatiial a aad: Sardinia only. 
Hab.— Western plains of Kansas; upon silex. Hall. 
PHASCUM CUSPIDATUM, var. 0. PILIFERUM, Schreb. 
Hab.— Along and Platte. Hall. 
WEISIA CRISPULA, Hedw.—Immature specimens. 
Hab.—Low vig etait Hall. 
WEISIA CIRRHATA, Hedw. This form approaches the former species. 
By its capsule and its annulus it is referable to W. cirrhata; the leaves, 
however, are longer, their borders searcely palleiads and the articulations 
of the pale red teeth less marked than in the normal form. An species 
propria ? 
Hab.—Mountains. Hall. 
_ GYMNOSTOMUM RUPESTRE, Sehweegr. 
Hab.—Glen Eyrie, 1872. Por sit 
DICRANUM GRACILESCENS, Web. & Mo 
Hab.—On wet pac high snout bai: "Halt 
ua Nae VIRENS, Hedw 
Hi sto aro in alpine brooks, near snow-range; not ra 
ince PELLUCIDUM, Hedw., var. PAGIMONTANUM, Brids —The 
Same remarkable variety as found in Vermont. 
Ha slapd tes (coll. 1873). 
DICRANUM VARIUM, Hedw 
Hab.—Base of ie mountains. Hall. 
DIcRANU M FUSCESCENS, Turn 
Hab.—Twin Lakes, in pine woods. Downie. (Expl. 1873.) 
Dickantne MUHLENBECKII, Bryol. Eur. 
—Roots of trees, pine-region; not rare. 
rience RHABDOCARPON, 
——Alpine; moist places on the ground. Hall; Downie. A rare 
species. found in good fruiting specimens, which confirm Sullivant’s 
9 ia made from soeeinibis too old, in Contrib. to Bry. 1, p. 172, 
pi. ii 
peice HALLI, (sp. nov.) Plante cxespitose, colore Intescente- 
Virides, sericeo- nitentes ; caulis vix pollicaris, pluries dichotomus, basi 
hudus (non radiculosus). olia isha erecto-subaperta lanceolata, 
tubulosa, e toto levia, integerrima, nervo latissimo foliam integra 
equidem ~ ao occupante, cellulis alaribus paucis, rufescentibus 
quadrato-in ; 
fale -Manatados: Hall. 
CAMPYLOPUS FRIGIDUS, (sp. nov.) 
Priori nervo dilat ato affinis ; differt foliis angustis, longioribus, linear- 
ti se 
ne Bt ager ly oe margine versus s apicem denticulatis, dorso 
As in the former species the medial nerve fills the whole leaf except 
§ iioar alar cells at the base; these cells are round. Two other forms, 
