238 GEOLOGICAL AND NATURAL HISTORY SURVEY OF CANADA. 



(886.) H. arcuatiforme, Kindb. (n. sp.) 



Tufts dense, green, not glossy. Stem creeping, subpinnate. Leaves 

 arcuate, ovate-lanceolate, generally short-acuminate or sub-obtusate, 

 entire, decurrent, not striate ; alar cells large, well-defined, orange, the 

 other pale and narrow ; costa none or short and double. Capsule sub- 

 cylindric, curved, not striate nor furrowed, constricted below the wide 

 mouth ; teeth when dry incurved, pale-yellow, hyaline-margined ; 

 cilia long, appendiculate; pedicel about 3 cm. long. Probably dioecious. 

 Eesembles in habit Hypnum cupressiforme. Lid and male flowers not 

 found. 



The allied Hypnum Lindbergii, Mitt., (H. arcuatum, Lindb.) differs 

 at once in the not creeping, irregularly divided stem, the shorter 

 pedicel, the larger capsule, &c. 



On earth near the gate of the cemetery at Beechwood, near Ottawa, 

 Ont., September 29th, 1889. , (Macoun.) 



(887.) H. Lindbergii, Mitt. 



H. arcuatum, Lindb. 



On rocks at Canaan Forks, Queen's Co., N.B. (J. Moser.) Green- 

 land. (Fl. G-r.) Miquelon Island. (Delamare.) Topsail Harbor, 

 Newfoundland. {Rev. A. Waghorne.) 



(888.) H. Renauldii, Kindb. (n. sp.) 



Agrees with H. curvifolium in the stem being more or less pinnate, 

 the inner basal leaf cells finally yellow; with H. Lindbergii in the leaves 

 being decurrent, alar cells very much dilated, the capsule not plicate 

 in a dry state; differs from both in the entire leaves. Hyynum pra- 

 tense differs in the leaves not being striate nor decurrent, and alar 

 cells not evolute. 



On earth at Sicamous, B.C. ; on wet ground and old logs at Revel- 

 stoke, B.C. ; on rocks, Sydenham River, Owen Sound, Ont. ; on earth, 

 near the small lake north of the Aylmer Road, Hull, Que. ; on earth at 

 Hunter's River, Prince Edward Island. (Macoun.) On earth, Canaan 

 Forks, Queen's Co., N.B. (J. Moser.) New Harbor and St. Johns, 

 Newfoundland. (Rev. A. Waghorne.) 



(889.) H. curvifolium, Hedw. ; Lesq. & James, Mosses of N. 

 America, 396' ; Canadian Musci, No. 353 ; Drumm. Muse. Bor.~ 

 Am., No. 197. 



Miquelon Island. (Delamare.) Topsail Harbor, Newfoundland. 

 (Rev. A. Waghorne.) Bass River, N.B. (Fowler 's Cat.) On logs, 



