184 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



Pass Creek Falls, near Sproat, Columbia Kiver, B.C., May 5th. 1890. 

 {Macoun.) 



116. THUIDIUM, Schimp. 



(693.) T. minutulum, Bruch & Schimp., Bryol. Europ. ; Canadian 

 Musci, No. 268, in part, 



Hypnum minutulum, Hedw. ; Lesq. & James, Mosses of N. America, 322. 



Bass River, N.B. (Fowler's Cat.) On old logs and rocks in McKay's 

 woods at Ottawa ; on old logs at Belleville and North Hastings, Ont. ; 

 on limestone rocks at Wooler and Owen Sound, Ont. (Macoun.) 



(694.) T. scitum, Aust. Muse. Appal., No. 300 ; Canadian Musci, 

 No. 269 and No. 268 in part. 



Hypnum abietinum var. minor, Drumm. Muse. Bor.-Am., No. 217. 

 H. scitum, Beauv. ; Lesq. & James, Mosses of N. America, 323. 



On trees at Fredericton, N.B. (Fowler's Oat.) On beech trees in 

 McKay's woods at Ottawa ; quite common on beech trees around Belle- 

 ville, Brighton, Wooler and Owen Sound, Ont. (Macoun.') On stones 

 and trunks of trees, Ontario. (Drummond.) 



Var. lonchoneuron, Kindb. n. var. (n. sp. ?) 



Differs in the stems being irregularly divided, sparingly radiculose, 

 the branch lets thick, the stem-leaves more broadly re volute at the 

 borders below the acumen, less papillose, the costa stout, percurrent 

 or excurrent, the branch-leaves quite acute (in T. scitum subobtuse). 

 Capsules not found. Differs from T. gracile in the entire leaves. 



On old logs at the mouth of Sturgeon Creek, near Leamington, Ont., 

 September 23rd, 1890. (Macoun.) 



(695.) T. gracile, Bruch & Schimp.; Canadian Musci, No. 2*70. 



Hypnum gracile. Bruch & Schimp. ; Lesq. & James, Mosses of N. 

 America, 324. 



On rotten logs at Fredericton, N.B. (Fowler's Gat.) Abundant on 

 rotten logs in woods at Leamy's Lake, near Ottawa ; also on old logs 

 at Belleville and Brighton, Ont. (Macoun.) Saskatchewan. (Bourgeau.) 



Yar. Lancastriense, Sulliv. & Lesq. 



On earth in woods, five miles west of Belleville, Ont. ; also on stones 

 in woods at Port Dover, Ont. (Macoun.) 



