. 
NEW OR UNRECORDED MOSSES OF NORTH 
AMERICA, 413 
J. CARDOT and I. THERIOT. 
(WITH PLATES XVI-Xxv) 
‘Phascum hyalinotrichum Card. & Thér., sp. nova.—Plantulae 
minimae, pusillae, gemmaceae, solitariae vel gregariae, pallide 
virides. Folia imbricata, inferiora brevia, superne majora, media 
superioraque ovata, 0.8—1™™ longa et 0.6™™ lata, concava, acumi- 
nata, integra vel subintegra, marginibus undique planis vel inferne 
leniter reflexis, costa angusta, 24m in medio folii crana, inferne 
attenuata, in cuspidem piliformem, flexuosam, hyalinam, tertiam 
vel dimidiam partem folii aequantem excurrente, rete laxo, omni- 
no-laevi, parum chlorophylloso, pallide viridi, superne hyalino, 
cellulis mediis irregularibus, quadratis, breviter rectangulis vel 
subhexagonis, long. 18-30, lat. 12-184, parietibus crassiusculis, 
inferioribus majoribus, parietibus tenerrimis, superioribus longior- 
ibus, parietibus incrassatis. Capsula in pedicello perbrevi, 
0.2m" longo, geniculato, immersa, globosa, apiculata, diam. 
ss eee Calyptra cucullata, dimidiam partem capsulae obtegens. 
Sporae maturae ignotae. Plate XVI. 
California : Soldier’s Home, Los Angeles county (Dr. Hasse, 1902 ; herb. 
C. F, Bak ie 
A quite peculiar species, very distinct by its habit, which recalls that of an 
Acaulon, its puliform excurrent nerve, and its loose smooth areolation, a little 
chlorophyllose below and hyaline above. 
Pleuridium Bakeri Card. & Thér., sp. nova.—Humile, laxius- 
cule cespitosum, viridi-lutescens. Caulis 2-4™™ altus, erectus, 
Simplex. Folia erecta, inferiora minuta, remota, brevia, superiora 
longiora, lanceolato-subulata, acuta, integra, rarius apice subden- 
ticulata, marginibus inflexis subcanaliculata, 34" longa, 0.35" 
lata; perichaetialia duplo longiora, sensim subulata; costa lata 
(80-100), percurrens, in foliis perichaetialibus paululum angus- 
tior; cellulae inferiores pellucidae, subrectangulae, 24m longae, 
«See for No. I, Bot. Gaz. 30: 12. 1900. 
fie 363 
