1904] CORDOT AND THERIOT: MOSSES OF NORTH AMERICA 371 
brevis, 3-5™™ altus, ramis gracilibus, erectis, numerosis, sub 
perichaetio nascentibus. Folia erecto-appressa, conferta, infe- 
riora brevia, 1™™ longa, 0.5™™ lata, media superioraque paulo 
Majora, 1.5™™ longa, 0.5-0.6™" lata, basi haud decurrentia, 
ovata vel ovato-oblonga, breviter acuminata, marginibus e basi 
usque apicem versus anguste revolutis, superne denticulatis, costa 
valida, rubente, basi 60-65 crassa, in foliis mediis et superiori- 
bus brevissime excurrente, in inferioribus apicem vix excedente, 
cellulis mediis et superioribus breviter subhexagonis, 30-35 4 
longis, 12m latis, parietibus incrassatis, marginalibus linearibus, 
2—3-seriatis, inferioribus majoribus, laxioribus, rectangulis, 35- 
50 longis, 12-18 latis. Capsula in pedicello rubello flexuoso, 
elongato, 4-6™ alto, nutans vel pendula, oblonga, 4—4.5™™ longa, 
I-1.2™™" crassa, collo madore in pedicello abrupte contracto, 
Operculo convexo-apiculato. Annulus latus. Exostomii dentes 
angusti, pallidi, inferne rubelli, 18-22 lamellis instructi, 0.35- 
04% alti, basi 50m lati. Endostomium exostomio adhaerens, 
membrana ad \% dentium producta, processibus linearibus, in 
carina fissis, ciliis brevissimis obsoletisve. Sporae minutae, pal- 
lidae, diam. 124. Plate XX7. 
Nevada: Spooner, Douglas county, in large mats on moist banks (C. F. 
Baker, 1902), 
This moss can be placed near &. /ongisetum Bland., but it is easily dis- 
tinguished from it by the numerous sterile branches arising from below the 
perichaetium, the smaller leaves with a shorter acumen, the peristomial 
teeth, which are narrower and paler, and have more numerous lamellae, and 
finally the much smaller spores. 
Bryum anceps. Card. & Thér., sp. nova.— Dense cespitosum, 
lutescenti-viride. Caulis simplex vel parce ramosus, 5-10" 
altus, interrupte foliosus. Folia ad apicem innovationum in 
comam congesta, circa 1.5™" longa, 0.8" lata, concava, e€ basi 
Paulo decurrente ’ late ovata, brevissime acuminata, inferiora 
mediaque obtusa, superiora subobtusa vel subacuta, apice integro 
Subdenticulatove, marginibus saltem uno latere in dimidio supe- 
More revolutis, costa valida, basi dilatata, 100m crassa, sensim 
attenuata et sub apice evanida, rete perlaxo, cellulis inferioribus 
quadratis vel rectangulis, caeteris hexagonis, circiter 50 longis, 
