MACOUN. 



.] CATALOGUE OF CANADIAN PLANTS, 139 



Yar. intermedium, Kindb. (n. var.) 

 Mnium medium, * robustum, Kindb. Torr. Bot. Club, XVII., 274. 



Agrees with Mnium insigne in the leaves being long-decurrent, long- 

 dentate, cells hexagonal-rotundate, &c. ; differs in the inflorescence. 

 Synoecious. 



The true Mnium medium (from the alps of Norway) has a very short 

 stem, about 1 cm. long, the leaves crowded, short-dentate, and not 

 decurrent. 



On earth at Hunter's Eiver, Prince Edward Island ; wet rocks, New 

 Westminster, B.C. ; abundant in damp woods near Cedar Hill Church, 

 Victoria, Vancouver Island, April 17th, 188*7. (Macoun.} 



(537.) M. hornum, Linn. ; Lesq. & James, Mosses of N. America, 

 245 ; Canadian Musci, No. 195. 



Nova Scotia. (N. B. James.} In dense patches in shady woods at 

 Truro, N.S. (Fowler's Gat.} Pictou Co., N.S., and Magdalen Islands. 

 (McKay.} Miquelon Island. (Delaware.} Canaan Forks, Queen's 

 Co., N.B. (J. Moser.} On earth near the sea at Yarmouth, and on 

 rocks North-West Arm, Halifax, N.S. ; on rocks, Gunn Eiver, Anti- 

 oosti ; damp earth, Hunter's Eiver, Prince Edward Island ; on earth 

 in damp woods at Belleville, Wooler and Port Dover, Ont. (Macoun} 

 Freshwater and New Harbor, near St. John, [Green Harbor, Tickle 

 Harbor, Chance Cove, Grand Vache, Western Cove and Blaketown, 

 Newfoundland. (Reo. A. Waghorne} 



(538.) M. serratum, Brid.; Lesq. & James, Mosses of N. America, 

 245 ; Canadian Musci, No. 196. 



Damp or wet rocks along streams, not uncommon. Jupiter Eiver, Anti- 

 costi ; along the Ste. Anne des Monts Eiver, Gaspe* Co., Que. ; on earth, 

 along the Sydenham Eiver at Owen Sound ; on rocks in woods, Lake 

 Nipissing, Ont. ; on earth by the torrent at Hector, Eocky Mountains ; 

 wet rocks along the Columbia Eiver at Eevelstoke, on earth at 

 Sicamous, Lytton, Yale and Hastings, Burrard Inlet, B.C. ; on earth 

 at Victoria, Vancouver Island. (Macoun.} 



Yar. Macounii, Kindb. (n. var.) 



Inflorescence paroecious. Leaves red-margined ; costa excurrent. 

 Lid obliquely rostellate. 



In dry woods, Eustico Bay, Prince Edward Island, July 16th, 1888. 

 (Macoun.} 



