10 LESQUKUEUX CATALOGUE 



TRICIIOSTOMUM, Hcdw. 



45. T- rigidulum, Smith. 



Hab. on rocks subject to overflow on Russian River, opposite Ukiah, Bol. ; 

 Vancouver Island, Lyall. 



46. T tophaceum, Brid. 



Hab. limestone rocks, constantly watered by a spring, Ukiah City ; Fort 

 Point, etc., Bol. ; Civjon Pass, Big. 



47. T. anomalum, Schp. 



T. corniculatum, Wahl. 



Hab. Oakland Caiion, Bol. ; a few sterile stems mixed with Hypnum leuco- 

 neurum ; Vancouver Island, Lyall; California, Coulter. 



48. T. flexipes, Brch. & Schp. 



T. crassinerve, Hmp. Muse. Calif. 



Hab. in shaded grounds and decayed trunks, Bol., Big., Bauer ; near San 

 Rafael, and also in the mountains of the Coast Range, Mendocino, Bol. 



DESMATODON, Brid. 



49. D. Californicus, Spec. nov. 



D. nervosus, var. B. edentulus, Sulliv. & Lsqx., Muse. Exsicc. Amer., 2d Ed., 

 No. 121. 



D. nervoso proximus, differt : caule breviore, foliis confertis, arctius imbri- 

 catis, brevi-acutis, vel nervo sub apice evanido obtusis, nervo medio inflato 

 latiori, peristomii dentibus albidis, capsulo annulate. 

 Hab. on decayed ground and old walls of clay, (adobe) San Francisco, Bol. 



Though the differences between both species are slight, the presence of an 

 annulus, the broader, more inflated costa of the shorter generally obtuse leaves, appear 

 the specific characters of the California moss. 



50. D. latifolius, Hedw. 



Hab. slopes of Tuolumne Canon, Bol. 



Var. B. muticus, Brch. & Schp. 



Hab. Mt. Dana, 11,000 to 11,500 feet; Tuolumne Canon, Bol; Silver Val- 

 ley, on exposed soil, 8,000 to 9,000 feet, Brew.; common in the mountains 

 along water courses, Cascade Mountains, Lyall. 



51. D. systilius, Brch. & Schp. 



Hab. foot of Mt. Dana, Bol. 



52. D. Guepini, Brch. & Schp. 



Hab. on the ground, bank of a run, Oakland, Bol. 



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