1910J T-HE Ottawa Naturalist. 181 



Differs also from G. alpestris in the longer leaves and the curved 

 pedicel of capsule, etc.; from G. subsulcata in the longer, not 

 striate leaves. 



British Columbia 1908. A. Brinkman. 



42. Grimmia Stirtoni, Schimper; Braithwaite. 



Capsule oval, smooth; pedicel straight, slightly exserted 

 above the (with ver}^ long and rough hair-point furnished) 

 perichetial leaves. Hitherto found onlv in sterile state. 



Vancouver Island, Mount Benson, 1893. 



43. fxRIMMIA SERRATA. 



Differs from the resembling G. robustijolia. Capsule oblong, 

 distinctly costate. Leaves serrate above; upper cells not 

 sinuous. Tufts green. 



British Columbia, Rossland, 15th Aug., 1902. J. M. Macoim. 



44. Racomitrium depressum, Lesq., var. nigricans 



Tufts blackish when dry; leaves sometimes furnished with 

 a hairpoint. 



The sterile specimens agree with the description in Manual 

 of Mosses of North i\merica by Lesquereux and James; the true 

 R. depressum is found in Yosemite Valley, but I have not -^oen 

 authentic specimens. Perhaps the capsule is different 



Collected on Southampton Island, near Fuller-' u, north- 

 west of Hudson Bay, by Commander A P Low in 1904, also 

 at Whale River, Labrador, in 1896. 



45. Scouleria Muelleri, Kindb. 



Dift'ers from 5. aaiiatica in its leaves being broader at the 

 middle; inner basal cells very numerous. These characters are 

 sufficient to make a proper species when, they are constant and 

 easih' observed. 



Collected on a rock in the Klondike River near Dawson, 

 Yukon, August 8th, 1902. No. 295. 



46. Barbula subcylindrica. Broth. 



Vancouver Island 1908 and 1909, also fruiting. New lo 

 Canada. Pedicel twice longer and neither curved nor exserted. 



47. Barbula andre^oides. 



Leaves small and short, broadly ovate and subcochle- 

 ariform, obtusate, mostlv obtuse, more or less refiexed , distinctly 

 papillose, appressed when drv, straight suberect and rufescent 

 when moist; cells small subquadrate; costa percurrent red- 

 lirown. Perichetial leaves broadlv ovate-lanceolate acummatr 



