54 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



(201.) B. recurvifolia, Schimp. ; Lesq. & James, Mosses of JST. 

 America, 122. 



On rocks near Lake La Mab, North Hastings, Ont., 15th August, 

 1814. (^Macoun.') Niagara Falls. (Austin.) 



(202.) B. sparsidens, C. M. & Kindb. (n. sp.) 



Loosely tufted. Plants small, 0.5-1 cm. high, green above, ferru- 

 gineous below, nearly simple. Leaves small, when dry incurved, 

 when moistened subquarrose, arcuate, ovate-lanceolate, distinctly 

 papillose ; borders reflexed nearly all around ; lower basal cells rect- 

 angular, hyaline ; costa pale, rough at back, percurrent. Inner 

 perichetial leaves shorter than the outer ; costa not or very short- 

 excurrent. Capsule small, oblong-cylindric, reddish, longer than the 

 oblique beak ; peristome and pedicel red. Dicecious. Allied to 

 Barbula fallax, but differing principally in the peristomial teeth, 

 spreading, loosely and not spirally twisted. 



On earth along the west side of the Columbia Eiver, at Eevelstoke, 

 B.C.. May 3rd, 1890. (Macmm.) 



(203.) B. melanocarpa, C. M. & Kindb. (n. sp.) 



Laxly tufted. Fertile stem nearly simple, about \ cm. high, the 

 barren branching, doubly higher. Leaves when dry appressed, not 

 twisted, when moistened open, olive-green, short ovate-lanceolate 

 acute, slightly papillose ; borders reflexed below the middle ; cells 

 nearly uniform, roundish or subquadrate ; costa brown, short-excur- 

 rent. Perichetial leaves from the ovate-oblong base long-acuminate, 

 costa filling the whole linear acumen. Capsule oblong-cylindric 

 straight, finally blackish, obliquely short-beaked ; annulus not distinct ; 

 pedicel red. Dioecious. Allied to Barbula subicmadophila. 



On rocks along the Fraser, close to the water at Yale, B.C., May 

 18th, 1887. (Macoun.) 



(204.) B. rigidula, Schimp. ; Lesq. & James, Mosses of N. Ame- 

 rica, 123. 



Didymodon rigididum Drumm. Muse. Bor.-Am., 121. 



On^rocks amongst the Kocky Mountains ; rare. (JDrummond.) On 

 the roots of trees close to the water, west side of Colpoy's Bay, 

 Georgian Bay, Lake Huron ; and on earth at Owen Sound, Ont. 

 {Macoun.) Greenland. (Fl. Gr.) 



