1910] The Ottawa Naturalist. 189 



87. Oligotrichum hercyxicum (Rhrh.) Lam. 



British Columbia, 1908: Brinkman. 



88. Brachythecium velutinum, Br. eur. subsp. curviram- 



EUM. 



Leaves smaller, sometimes recurved below; cells generally 

 wider, lanceolate, the alar well-distinct; costa longer, ceasing 

 in the acumen. Perichetial leaves faintly denticulate. Branches 

 subjulaceous, often curved. Capsule smaller than in the 

 common form. 



Quebec, 1905. 



89. Brachythecium (sect. Rutabula) laxirete. 



Leaves ovate-lanceolate acuminate, not plicate, long-de- 

 current, not or only at the base recurved, nearly appressed when 

 drv; alar cells quadrate numerous, not large; other cells lanceo- 

 late; costa mostlv short, rarely percurrent. vStem-leaves short- 

 acuminate, nearlv entire; branch-leaves long-acuminate with 

 subulate or filiform point, nearly entire below, serrate above. 

 Tufts not glossy. Stem irregularly divided. Monoecious. 

 Capsule unknown. 



Differs from B. mtahulum in smaller, nearly appressed 

 leaves, those of the branches longer-acuminate, wider leaf-cells, 

 etc. Approved bv Dr. Brotherus. 



British Cokimbia; Brinkman, 1908. 



90. Brachythecium papillipes. 



Monoecious. Capsule small, cilia appendiculate; annulus 

 not seen; pedicel minutely papillose nearly in its whole length, 

 2 cm. long. Leaves somewhat large, ovate-lanceolate acuminate, 

 often with long filiform point, long-decurrent, not auricled, 

 recurved below at one side, not plicate, entire below, slightly 

 denticulate above; alar cells rectangular, not large, other cells 

 linear; costa vanishing below the acumen, generally reaching 

 to . 



B. nihabundum differs: Leaves longer, longer-acummate. 

 short-decurrent, distinctly denticulate at the acumen; alar ccHs 

 not well-defined; costa vanishing in acumen. 



British Columbia, 190S; Mr. A. Brinkman 



91. Hypnum (Drepanocladus) Jamesii-Macoi'mi. 



("Hypnum conflatum subenerve" Kiivlb. in letter to 

 Prof. J. Macoun). 



Leaves small ovate-oblong, more or less abruptly tapermg 

 to a subfiliform, often curved point, entire and decurrent, neither 

 striate nor recurved; insertion pale; alar cells large hyaline 



