va ignota. 
B 
gerrinta, limbo e cellularum serie unica efformato apice soliim cineta, 
e cellulis elongatis laxis apice hexagonis paucis densiorilbus retiou, 
lata; thecee in pedunculis flavidis flexnosis pendule cylindraceo—ob- 
long basi imcrassate ; peristomium normale. Opercula et calyptre 
ignota, 
Patria.—Portland, Oregon, vere 1873, Rev. Dr. R. D. Nevius. 
Notis accuratius designatis primo visu cognoscendum. Mn. 
cuspidatum affine facile distinguitur; ramis sterilibus reptantibus, 
fertilibus laxe et valde patule foliosis, foliis tenuissime limbatis bre- 
viter dentatis fructibusque turgide ovalibus. x 
Norr. Lately a few fine specimens with operculate capsules not 
quite matured have arrived which admit the following description 
of the operculum: Operculo hemispherico-conico, mamillato, pal- 
lide flavido ore aurantiaco annullato, (C. Mohr)—thus giving the 
description complete in all essential parts. 
2.Grimmia (Dryptodon) Nevii, C. Miller, n. sp. Dioica laxe 
cespitosa at'o-viridis vel nigricans; caulis longiusculus gracilis 
inferne folits difractis nudiusculus,per innovationem parce et breviter — 
ramulosus, ramulis supremis incurvulis foliosis; folia caulina ap-— 
presso imbricata vel parum patula, e basi parum decurrente oblonga — 
late ligulacea obtusata, valde concava, margine infero plus minus — 
revoluto integerrima, apiculi dentibus nonnullis remotis brevibus 
angulate eroso-denticulata, nervo latiusculo canaliculato in strias 
veluti dissoluto ante apicem evanido percursa, e cellulis carnosulis 
virilissimis parietibus undulatis instructis quadratis papillosis chlo- 
rophyllosis areolata; perich, semivaginantia oblongo-lanceolata 
acuminata integerrima plicatula, exteriora evanidinervia, interiora 
enervia, omnia valde concava e cellulis tenuibus pellucidis rectangu- —— 
laribus angustis reticulata; theca in peduneulo brevissimo curvulo 
majuscula ovalis badia submacrostoma, dentibus obtusis rubris leur * — 
bus in crura duo cohcerenta fissis crasse articulatis carnosulis. Cxte- 
Patrva.—Portland, Oregon, vere 1873, Rev. Dr. R. D. Nevius. a 
Planta mascula foeminex simillima, andreciis nonnullis turgidis 
coloratis secus caulem dispositis, antheridiis magnis clavatis epara 
physatis, foliis perigonialibus e basi late ovata laxe reticulata aul 
antiaca breviter oblongis vel ligulaceo—obtusatis angulate dentict: — 
latis, interioribus brevissime acuminatis obtusiusculis integris, omnl — 
bus evanidinervibus. Quoad foliorum formam Grimmie acieular 
affinissima, sub hee species primo intuito differt : pedunculo elon- 
gato cellulisque foliorum dolioliforme-rotundis. ae 
_Scanty as the material at our command is, at this day, for ¢* 
hibiting the features of the bryological flora of Oregon, it will not 
be without interest to trace the same as far as it is. possible, by 
the data which the valuable Catalogue of Pacifie Coast Mosses, 
by Prof. Lesquereux, offers.* One of its most striking and prom 
nent characters is its close relation to the bryology of Europe; 
another, not less remarkable, is the almost total want of connec: 
tion with the Eastern part of this continent. The absence % 
Ree ere et 
* Memoirs of California Academy of Science, Vol, J, Part 1. 
’ 
