14 LESQUEREUX CATALOGUE 



Hab. on rocks, Dardanelles Canon, Bol. 

 It agrees in every point with Muller's description of this species. 



80. G. Californica, Sulliv. 



Hab. on rocks, San Rafael, and around San Francisco, common, Bol., Big. 

 Var. foliis caulinis obtusiusculis vel acutis, epiliferis, capsula subglobosa, operculo 

 longiore. 

 Hab. same as the normal form, Bol. 



87. G. hamulosa, Spec. nov. Dioica, irregulariter laxe pulvinata, nigricans. Caulis 



dichotome et innovante ramosus, subfasciculatim foliosus. Folia sicca homo- 

 mallo-falcata, madefacta erecta hamuloso-incurvata, subhomomalla, laxe 

 irregulariter imbricata, anguste lanceolato-subulata, apice piano obtusiuscula, 

 carinato-concava, margine plana vel vix revoluta, nervo valido sub apice 

 evanido intructa, reti basilari quadrato elongato, superior! irregulariter 

 quadrate. Folia perichaatialia longiora, longius acuminato-subulata. Theca 

 in pedicello lateral! medio curvulo, emersa, ovalis, lajvis, pachydermis, brun- 

 nea, operculo conico brevi ; peristomii dentes breviores, lacerati vel perforato 

 divisi, annulo nullo. 



Hab. gravelly soil, Mt. Dana, 10,000 ft., Bol. 

 It resembles G. contorta, Wahl., but is very distinct indeed by the hamulose and 



homomallous leaves, with long, subulate, opaque points; by the large emerged capsule, 



the curved pedicel, the absence of an annulus, etc. 



88. G. leucophsea, Grev. 



Hab. metamorphic rocks, Dardanelles Canon, Sol. ; Fort Colville, Lyall. 



89. G. montana, Brch. & Schp. 



Hab. on rocks from the plain to the mountains; boulders near San Fran- 

 cisco, Mt. Diablo, Mono Pass, 7,000 to 8,000 ft., Bol 



90. G. alpestris, Schl. 



Hab. Fort Colville, and Pend' Oreille, Lyall. 



BACOMITRIUM, Brid. 



91. R. patens, Dicks. 



Hab. between Fort Colville and the Rocky Mts., Lyall. 



92. R. aciculare, Brid. 



Hab. on granite rocks above the Yosemite Valley, Brew. 



93. R. depressum, Spec. nov. Longe, lateque ccespitosum, depressum, fusco 



lutescens. Caulis elongatus, 4-5 pollicaris, parce dichotome ramosus, laxe folio- 

 sus. Folia siccitate appresssa, humiditate erecta, aperta, homomalla, e basi 

 late ovata, dilatato-semiauriculata decurrente, lanceolata, obtusa nervo lato 

 planiusculo sub apice evanido instructa, concavo-carinata, margine medio 

 revoluta, superne reflexa, apice denticulis remotis irregularibus instructa, 

 quandoque integra, retis alaribus quadratis vel cquilateralibus latis, plus 

 (14) 



