232 GEOLOGICAL AND NATURAL HISTORY SURVEY OP CANADA. 



(863.) H. commutatum, Hedw. ; Lesq. & James, Mosses of N. 

 America, 387 ; Canadian Musci, No. 448. 



Eocky Mountains. (Bourgeau.) On earth in a swamp, Canaan 

 Forks, Queen's Co., N.B. (J. Moser.) On wet rocks, North Hastings, 

 Ont. ; on rocks at Hastings, Burrard Inlet, B.C. (^Mdcoun.) Green- 

 land. (Fl. Gr.) 



(864.) H. falcatum, Brid. Muse. Eeeent. III., 63 ; Canadian Musci, 

 No. 340. 



H. commutatum var. falcatum, C. Muell. ; Lesq. & James, Mosses of N. 

 America, 387, 



Come by Chance Cove, Newfoundland; and Bolster Eocks, Labrador. 

 (iZei!. A. Waghorne.) Abundant in bogs and on dripping rocks at 

 Hector and Stephen, Eocky Mountains ; on dripping rocks in Eagle 

 Pass, west of Eevelstoke, Columbia Eiver, B.C. ; on stones along the 

 springy margin of the west side of Lake Mara, near Sicamous, B.C. 

 {Macoun.) On the summit of Mount Queest, Gold Eange, B.C. ; alt. 

 7,000 feet. (J. M. Macoun.) 



Var. microphyllum, Kindb. {ja. var.) 



Stem leaves very small and entire ; alar cells small ; stem irregu 

 larly divided, without paraphyllia, with none, or few rhizoids. Barren. 



Bay Bull Arm, and Broad Cove, Placentia Bay, also Blaketown and 

 New Harbor, Newfoundland. {Bev. A. Waghorne.) 



(865.) H. decipiens, (De Not.). Kindb. 



Thuidium decipiens, De Not. ; Canadian Musci, No. 545. 



Allied to Hypnum falcatum, Jf. commutatum and JI. filicinum ; it is 

 distinct principally in the very papillose, not striate leaves and short 

 cells, the alar hyaline. 



On calcareous rocks at Hector, Eocky Mountains ; on stones in 

 brooks, Eoger's Pass. Selkij-k Mountains, B.C. ; on wet rocks, Nanaimo 

 Eiver, below the i-ailway bridge, near Nanaimo, Vancouver Island. 

 (^Macoun.) 



Subgenus IV. RHYTIDIUM, Sulliv. 



(866.) H. rugosum, Linn.; Lesq. & James, Mosses of N. America, 

 388 ; Canadian Musci, No. 341. 



H. nigulosum, Drumm. Muse. Bor.-Am., No. 198. 

 Rhytidium rugosum Kindb. Laubm. Schwd. u. Norveg. 



Lake Superior ; in fi'uctification at Beaver Lake ; rare. (I)rum- 

 mrnid.) On dry rocks, Kakabeka Falls, 30 miles west of Fort William, 



