1900] MOSSES OF NORTH AMERICA 21 
Puget sound, Orcas island, Mt. Constitution, lake border (L. F. Hender- 
son, 1892). 
Distinct from &. pseudotriguetrum Schw. and allied species by the 
smaller size, the narrower leaves entire or scarcely denticulate at apex with 
broader margin, and the capsule smaller, narrower, and more abruptly pen- 
BRYUM CRASSIRAMEUM Ren. & Card. var. Covillei Ren. & 
Card., var. nova.— A forma typica differt cespitibus densioribus, 
caulibus ramisque gracilioribus, strictioribus, foliis strictis magis 
appressis, costa pro folii magnitudine plerumque crassiore, cap- 
sula fusco-rubra et peristomii interni segmentis dorso latius 
apertis. 
Rocky mountains (Death valley Expedition, no. 1358; F. V. Coville and 
F, Funston, 1891). 
BryuUM TORQUESCENS BS., Bryol. Eur. 6-9: 49, p/. 20. 
Washington: Pullman, Whitman county, moist banks (L. F. Henderson, 
1892). 
Nearly allied to B. capil/are L., but distinct by the synoicous inflorescence 
and the capsule deep red when mature. The American form differs from the 
European type by the leaves being erecto-patent and not spirally contorted 
in dry state. 
PTEROGONIUM GRACILE Sw. var. Californicum Ren. & Card., 
var. nova.— A forma typica Europaea differt foliis longioribus 
longiusque acuminatis cellulisque alaribus minoribus. 
California: ‘‘ad rupes Californiae, perfrequens; Bolander”’ (Sulliv. et 
Lesq. Musci bor. amer. exsicc., ed. 2, no. 349); Sansalito (Marshall A. Howe, 
nian specimens of P. gracile that we have examined belong to this variety. 
PYLAISIA POLYANTHA Sch. var. drepanioides Ren. & Card., var. 
nova.— Forma peculiaris, habitu et magnitudine Hypno palles- 
centi similis; folia secunda plerumque ad basin acuminis obsolete 
denticulata, cellulis alaribus minus numerosis et minus obscuris, 
rete magis scarioso. Capsula minor. Peristomium normale. 
Minnesota: without locality or name of collector, mixed with a small 
form of Hypnum uncinatum Hedw. (Herb. Univ. of Wisconsin). 
