14 BOTANICAL GAZETTE [JULY 
i 
minutae, obscurae, parietibus incrassatis, irregulariter quadratae, a 
5-8 metientes, utraque pagina papillis prominentibus ornatae, — 
cellulae inferiores majores, elongate rectangulares, laeves. Folia 
perichaetialia longiora, basi laxius reticulata, superne papillis 
elongatis subcylindricis obsita. Capsula in pedicello pallido, 
6-7" longo, siccitate dextrorsum torto erecta inclinatave, — 
oblonga, arcuatula, circa 1.5™" longa, 0.5™ crassa, collo dis- 
tincte strumoso, sicca plicatula et sub ore leniter constricta; 
operculum ignotum. Peristomium purpureum, elatum, dentibus 
triangulari-lanceolatis, 15—20-articulatis, usque ad medium in 
granulosis. Planta mascula ignota. Plate IJ. 
Washington: Olympic mountains (L. F. Henderson). 
A true miniature of D. pellucidum Sch., from which it is easily distin- — 
guished by the much smaller size, the leaves denticulate above the base, the 
cells of the areolation much smaller and with more prominent papillae and 
the strumose neck of the capsule. 
DICRANELLA LAXIRETIS Ren. & Card., Rev. Bryol. 20: 30. 
1893.— Dioica, pusilla, gregaria. Caulis simplex, brevissimus, 
I-2™™" altus. Folia madida mollia, erecto-patentia, sicca flexu- 
osa subcrispata, ascendendo sensim majora, circa 2™™ longa, 
0.25-0.3™™ lata, lineari-lanceolata, apice obtuso minute denticu- 
lato, marginibus integris planis vel parce reflexis, costa percur- 
rente vel sub summo apice evanida, rete laxo, cellulis inferioribus. 
majoribus elongate rectangulis, superioribus breviter rectangulis. 
subquadratisve, omnibus parietibus angustis. Folia perichaetia~ 
lia vix diversa. Capsula in pedicello tenui pallido, 5-6™™ longo, 
erecta, minuta, oblongo-subcylindrica, arcuatula, 0.75—1™™ longa, 
operculo convexo oblique longe subulato. Annulus e duplici vel 
triplici serie cellularum compositus. Peristomii dentes purpurei, 
. valde trabeculati, longitudinaliter striolati, usque ad % inferiora 
in 2 crura longa subulata bifidi. Planta mascula ignota. Plate TL. 
‘, poe in a deep and shaded ravine near Lafayette (A. B. Langlois, 
1891). 
One of the smallest species, resembling D. debilis L. & J., but with 
shorter stems, softer and more flexuous leaves, which are minutely denticulate 
