86 



D. AbiJiIcnbcckii, Brucli and Scliimp. On rocks, Mount Ouecst, 

 Sliuswap Lake, Cache Creek, and Blackwater River, B. C. 



]). rhahdocarpnni^ Sulliv. On damp rocks, T.akc Mara, Sicanious, 



B. C. 



/>. fragilifoHuin, Lindb. On logs near Victoria, Vancouver Is- 



land; also at Yale, B. C. ; Little Slave Lake, Lat. 55°. 



D. ANGUSTIFOLIUM, Kindb. (n. sp.). 



Stem about 5 cm. high, radiculosc. Leaves shining, subuli- 

 form, not undulate, very narrow, I -5 cm. long, denticulate to 

 or from the middle upward, not crispate, brittle, straight or 

 patent; cells very porose and narrow; outer alar cells brown, in- 

 ner hyaline; costa smooth at the back, faint and very narrow 

 (about Tu of the leaf near the base) scarcely cxcurrcnt Cap- 

 sul straight, long-beaked. Allied to D. siihiilifolitivi, but differ- 

 ing in the longer leaves, longer leaf- cells and doubly narrower, 

 not excurrent costa. On logs and damp rocks, frequent in Brit- 

 ish Columbia from the coast to the Gold Range, 1889. 



D, scoparium, Hedw. Not uncommon on logs in the Rocky 



Mountains and westward. 



Van scopariforme^ Kindb., Bull. Torr. Bot. Club, xvi. 92. 



Buffalo Lake, Athabasca; also in the Gold Range, B. C. 



D. majus^ Turn. On logs, near Victoria, Vancouver Island. 

 D. pahistre^ Bruch and Schimp. On damp rocks. North Arm, 

 Burrad Inlet, B. C. 



SUB-SP. COT.UMP>T/!^, Kindb. 



+ 



Ca^spitosc, tomentose and yellowish green. Leaves open- 

 erect, undulate above, ovate-lanceolate, obtuse or short-acute, ser- 

 rate at the back and on the borders above; the uppermost cells 

 oblong, the others linear, except the quadrate ones at the angles; 

 costa narrower, disappearing below the apex. Capsule solitary, 

 narrow-cylindric, curved, striate, pale brown, not strumose; beak 

 as long as the capsule ; pedicel yellow. Dicccious. 



Differs from the true D, Boiijcaniy De Not. {D. palusirc^ 



Schimp.) principally in the leaves being blunt, serrate below the 



middle, the costa serrate also below the middle and the capsule 



without a neck. Damp woods by the borders of ponds, Cedar 



Hill, near Victoria, Vancouver Island ; and on Cache Creek 



Mountains, B. C. Alt. 2500 feet, May 25, 1875. 



