34 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



Var. trachy neuron, Kindb. (n. var.) 



Stems shorter. Leaves smaller, narrower and looser, more densely 

 and evidently serrate on the borders, subuliform-cuspidate ; alar cells 

 yellow ; costa not excurrent, rough also below the middle and upwards. 



Cedar swamps at the base of the Oak Hills, Hastings Co., Ont., July 

 31st, 1871. (Macoun.) 



(117.) D. undulatum, Turn.; Lesq. & James, Mosses ofN. Ame- 

 rica, 76 ; Canadian Musci, No. 48 ; Drumm. Muse. Bor.-Am. 



No. 85. 



Miquelon Island. (Delaware.) Dry woods, on the ground, Bass Eiver, 

 and Grand Lake, N.B. (Fowler's Cat.) Beau Lac, Madawaska, and 

 swampy ground, Tobique River, N.B. (Hay.) Bogs, Tignish, P.E.I. ; 

 common in McKay's Woods, Stewart's Bush, Dow's Swamp and Mer 

 Bleue, Ottawa ; in cedar swamps throughout Ontario ; North Bay, Lake 

 Nipissing, woods at Lake Nepigon ; swamps, Porcupine Mountains, 

 Man. ; at Donald, Columbia Yalley, and Deer Park, Lower Arrow 

 Lake, Columbia River, B.C. ; and at Victoria, Vancouver Island. 

 (Macoun.) In woods, Missinaibi River, Ont. (R. Bell.) Shady 

 woods ; common. (Drummond.) Among Sphagnum, near London, 

 Ont. (J. Dearness.) Nashwaaksis, York Co., N.B. (J. Moser.) 



(118.) D. spurium, Hedw, ; Lesq. & James, Mosses of N. America, 

 75 ; Drumm. Muse. Bor.-Am. No. 90 ; Canadian Musci, No. 46 in 

 part; barren. 



About Lake Superior. (Drummond.) On rocks, North West Arm, 

 Halifax, N.S. ; on metamorphic rocks, Gatineau River at Chelsea, Que., 

 and at Shannonville, Hastings Co., Ont., 1865. (Macoun.) 



(119.) D. brachycaulon, Kindb. (n. sp.) 

 D. spurium, Canadian Musci, No. 46, in part. 



Allied to Dicranwn spurium, but differing in the short stem only 

 1 cm. high, the leaves smaller and shorter, oblong-ovate, acute, not 

 acuminate, entire, not papillose at back, costa elevate, percurrent and 

 smooth, alar cells brown, capsule small, pedicel 1 cm. long. This 

 species is peculiar in its short leaves and the elevate costa. 



On dry rocks in open woods near the lighthouse at Yarmouth, N.S., 

 June 23rd, 1883. (Macoun.) 



(120.) D. dipteroneuron, C. Muell., Beitr. zur Bryol. Nord. 

 Amerikas in Flora 14. (1887.) 



Alaska. (C. Mueller.) 



