1904] CARDOT AND THERIOT: MOSSES OF NORTH AMERICA 369 ‘ 
Closely allied to G. trichophylia Grev., of which it may be considered as 
a subspecies; differing from it in its more robust size, recalling that of 
G, elatior Br. Eur., its stems naked below, and the basal areolation with 
much thicker and more sinuate walls. ; 
Grimm1A Henpersoni Ren. & Card., Rev. Bryol. 19: 86. 1892. 
—A G. decipienti Lindb. proxima differt caulibus brevioribus, 
1o-15™" altis, foliis minoribus, 2.5™™ longis, 0.8™™ latis, costa 
angustiore, 65 basi crassa, cellulis mediis minoribus, 6-8 p latis, 
inferioribus laxioribus, 24-35" longis, 10-14 latis, pedicello 
breviore, 4-5™™" longo, capsula angustiore, subcylindrica, 1.6™™ 
longa, 0.7™™" crassa, minus profunde sulcata, operculo longius 
rostrato, 1™™ longo, peristomii dentibus minus profunde fissis, 
0.36™" altis, denique sporis laevibus, multo minoribus, gy crassis. 
Plate XX. 
Oregon: sunny dry rocks in rill bed, Hood River (L. F. Henderson, 1889). 
BaRTRAMIA ITHYPHYLLA Brid. var. fragilifolia Card. & Thér., 
var. nova.—A forma typica differt foliis rigidis, fragilibus, ple- 
rumque effractis. 
Colorado: along the Cogwheel Railway to Pike’s Peak, 2100-3000™ alt. 
(J. M. Holzinger, 1896). 
By its brittle and usually broken leaves, this form much resembles 
B. breviseta Lindb.; but in the latter the leaf base is hardly glossy and less 
abruptly contracted to the subula. 
Webera chlorocarpa Card. & Thér., sp. nova.—Densiuscule 
cespitosa, basi terra obruta, inferne fusco-viridis, superne lute- 
Scens. Caulis 1-2™ altus, erectus, simplex divisusve. Folia 
€recto-appressa, 2™™ longa, 1™™ lata, ovato-lanceolata, acute 
acuminata, basi paulo decurrente, marginibus planis integris, 
costa inferne Sou crassa breviter excurrente, cellulis basilaribus 
quadratis vel breviter rectangulis, subinflatis, 40-60” longis, 
25-40 latis, mediis hexagono-rhomboidalibus, 404 longis, 
18-20, latis, marginalibus e tertia parte inferiore angustis, lin- 
€aribus, 4—-5-seriatis quemdam limbum lutescentem subeffor- 
Mantibus. Capsula in pedicello rubello, superne pallido, plus 
Minus flexuoso, 2-2.5°™ longo, nutans vel pendula, ovato-pyri- 
formis, collo sporangio aequilongo attenuata, pallide flavescens, 
acetate plicata, sub ore haud constricta, parietibus mollibus, sto- 
