CATALOGUE. 401 
banks, near Carson City and in tlie Trinity and East and West Humboldt 
Mountains, Nevada, in th6 Walisatcli, and on Antelope and Stansbury Islands 
in Salt Lake ; 4,300-8,000 feet altitude. (1,397.) 
Var. OBTUSA. Br. & Sell. On rocks in the East Humboldt Mountains, 
Nevada; 7,000 feet altitude. (1,398.) 
Encalypta eiiabdocaepa, ScliwaL^g. Alpine and subalpine Europe; 
Nulato, Alaska; Davis Strait, (Taylor;) Brilish America, (Drummond ;) 
Colorado, (Hall;) Cascade and Eocky ]\r()iiiilaiiis, (Lyall.) On a rocky sl(i[)(! 
in the East Humboldt Moiuiiains, Nevada; 7,000 feet altitude. (1,399.) 
Ortiiotrichum Sturmii, 11. & 11. I^fountains of Europe; Sandwich 
Islands; White Mountains, New Hampshire ; Texas and New ^Fexico; Yo- 
semite A^alley, California. On limestone rocks. West Humboldt Mouniains, 
Nevada; 7,000 feet ah ilude. (1,400.) 
Ortiiotrichum Jamesianum, SulL, Ms. Monoicum; pulvinulo laxiusculo 
inferne fusciscentc, superne sicco cinereo, madido pallescente-viridi ; caule G-8 
lincari subjulaceo-foliato ; foliis oblongis lanceolato-oblongisve valde obtusis ; 
niargine anguste revolutis, altius papillosis, costa infra apiccm desinente ; cap- 
sula immersa pyriformi sicca octo-costata sub ore am})lo constricta, peristomii 
simplicis dentibus 16 discretis basi transverse-, medio circular!-, apice longi- 
tudinali-vermiculatis ; calyptra ])arcissime ramcntosa. — Distinguished from O. 
obtusifolium, its nearest congener, by its simple peristome, leaves with revo- 
lute margins, and its monoecious inflorescence. On limestone rocks in the 
East Humboldt Mountains, Nevada ; 7,000 feet altitude. (1,401.) 
Orthotriciium Watsoni, James. Monoicum ; pulvinulo laxo kete viridi 
inferne dilute ochraceo ; caule subunciali parcius diviso ; foliis mollioribus 
laxiusculis e basi erccta hyalina ekmirato-lanceolatis acutatis eximie arcniilo- 
recurvis, costa carinatis, toto margine rcvoluiis cellulis superioribus puncti- 
formibus papillosis, papillis longiusculis bi-lrifurcatis ; capsula emergente 
subelliptica sicca prominenfer rosfafis sul) (»rc nniplissimo consi richi haplo- 
pei'istomata, denlibns Irevibus goniinatim arelc cdnnatis apice cruciircris iLivcs- 
cenii-albidis 7-10 articulalis; calypfra satis ranicniosa; opcrculo lireviiis 
rostrato. — A very distinct species, nllicil io O. Te.rnnum., Snlllv., but i(s coktr 
is different, its loaves are broader, sefter, and much more reeiirved, ;ind the 
cells of the upper half of each leaf are covered with lonirer nnd niDre or less 
divided papillse. The teeth of the peristome are yellowish-white, with a 
51 
