344 BRYACE^. [Rijpnum. 



54. H. campestre, Bmch. Monoecious: tufts loose, pale 

 yellowish green or yellow, glossy ; stems prostrate or ascending, 

 more or less densely branching and ramulose, densely foliate : 

 leaves erect, open, ovate-lanceolate, subulate-acuminate, serru- 

 late, narrowly costate to the middle, irregularly plicate, glossy, 

 the perichaetial abruj^tly filiform-acuminate, recurved from the 

 middle : capsule oblong-cylindrical, cernuous and subarcuate ; 

 pedicel rough in the upper irdrt only; annulus simple; oper- 

 culum and jjeristome as in JI. rutabulwn. — JT. rutabulutn, var. 

 campestre, Muell. Syn. ii. 368. Mrachytliecium campestre, 

 Bruch & tSclump. Bryol. Eur. t. 545. 



Hab. White Mountains, fertile ( Oakes, James) ; Sand Lake, Colorado 

 (Iluyden, 1873), sterile; Cceur d'Alene Lake, N. Idaho, and ou Kettle 

 Eiver, British Coliunbia (Wat.-<on). 



55. H. NoV8B-Anglise, SuUiv. & Lesq. Dioecious : loosely 

 and widely cespitose ; tufts rigid, briglit green outside, dirty 

 yellow within ; stems sub})rostrate, irregularly subpinnately 

 ramulose; branchlets terete-foliate, not attenuated, subjula- 

 ceous : leaves erect, incurved, very broadly ovate, decurrent, 

 short, narrowly acuminate, costate to the middle, serrulate all 

 around, very concave, not plicate ; areolation narrowly oblong- 

 hexagonal, shorter and broader at the basilar angles ; perichae- 

 tial leaves ovate, abruptly long-acuminate, recurved from the 

 middle, subecostate : capsule oblong, erect, slightly curved ; 

 pedicel short, very rough, purple ; operculum long-conical, acu- 

 minate ; peristome normal ; annulus double, large. — Muse. Bor.- 

 Amer. Exsicc. n. 338; Sulliv. Mosses of U. States, 70, and 

 Icon. Muse. 191, t. 118. 



Hab. Mountains of New England. 



Resembles the followirg, from which it differs in its smaller size, tufts 

 more compact and less spreading, leaves more compact and not glossy nor 

 plicate, areolation shorter, etc. 



56. H. rivulare, Bruch, Ms. Dioecious, the male plants 

 smaller : tufts thick, dirty green ; stems prostrate, hard, woody, 

 naked or radiculose ; branches ascending or erect, subarcuate, 

 diversely ramulose toward the apex : leaves open, large, broadly 

 ovate, abruptly short-acuminate, serrulate, concave, slightly or 

 not at all sulcate, flat or reflexed on the borders, narrowly cos- 

 tate to above the middle : capsule large, ovate-oblong or turgid- 

 ovate, solid, cernuous and horizontal ; pedicel thick and long, 

 scabrous ; peristome normal ; annulus double. — Lindb. Muse. 



