122 BOTANICAL GAZETTE [avaus 
involucres 4-5"" high: bracts dull white, from ovate in the outer i 
linear in the inner, obtuse or acutish, nearly all apiculate. 
A northern ally of the Texan G. Wrightit. 
Collected on the geyser formations of Norris geyser basin in the Yellor 
stone park, July 25, 1899, no. 6139. 
Exias NELSON. 
UNIVERSITY OF Wyominc, 
Laramie 
SOME NEW NORTH AMERICAN MOSSES. 
(WITH PLATE XI) 
ald, some twenty miles north, where we pitched our permanent am 
ited only one of these, Sperry glacier, at the base of which we ® 4 
several European mosses heretofore not reported for the United ae 
as well as some new species closely related to certain alpine species 
the old world. So far as determined the material collected 
140 species of mosses and 20 species of hepatics. The publica 
a full report is delayed for various reasons, and it is deemed is 
to publish here only the most important part of the report as © ; 
Prepared. A more detailed account of this region, botanically # 
as geologically very interesting, may be found in the Septem” 
ber of Bulletin of the American Bureau of Geography. ae 
Dicranoweisia subcompacta Card. et Thér., sp. nova 
vinato-caespitosa. Caulis simplex vel parcissime ramosus, ete 
dense foliosus. Folia madida suberecta, sicca crispatula, I-15 
oblongo-lanceolata, acuminata, subacuta vel obtusiuscula, “— 
canaliculata, nervo basi attenuato usque ad apicem product vel pa” 
lum infra evanido, marginibus inferne planis, superne inflexi 
rimis, cellulis irregulariter quadratis vel subrectangularibus, 
laxioribus, juxta costam linearibus, alaribus distinctis, subinflatis: . 
Caetera ignota.— Plate XT, 
