i8g8] Macoun— Cryptogamic Flora of Ottawa. 29 



Var. rectifolium, Kindb. 



On damp rocks in McKay's Woods, Aug, 26th, 1889. 



Var. platypfayllum, Kindb. 



Leaves very broad and short-acuminate. 



On damp rocks in woods east of the end of the Electric Road, 

 Rockcliffe Park, Aug. 26th, 1889. 



192. H. Sendtneri, Schimp. 



In Water in Dow's Svpamp ; in a bog at Britannia, six miles west of 

 Ottawa, Sept. 14th, 1891. 



193. H. fluitans, Linn. 



In a swamp along the Beaver Meadow west of Hull, Que., Oct. 

 i6th, 1891 ; in boggy places north of Beechwood Cemetery and 

 McKay's Lake, Sept. 25th, 1889. 



194. H. uncinatum, C. M. and Kindb. 



Quite common in wet woods north of Beechwood Cemetery, Oct. 

 I2th, 1889; in Dow's Swamp and at the Hog's Back, May 22nd, 1897; 

 also in the Mer Bleue, Oct. 4th, 1890. 



195. H. conflatum, C. M. and Kindb. 



Allied to Hypnum Kneiffii. Stem slender, subfiliform, distantly 

 pinnate, not radiculose. Leaves small, concave, distant, denticulate all 

 around ; stem leaves decurrent, from a broad-ovate base suddenly 

 narrowed into a very short, subulate-filiform, straight point ; alar cells 

 very large, hyaline or faintly yellowish, the other nearly uniform, oblong- 

 lanceolate, conflate ; costa pale-yellow, vanishing in the acumen ; 

 branch leaves narrower, oblong-lanceolate, more or less short-acuminate, 

 curved or straight. Capsule very small, arcuate and contracted below 

 the mouth. Dioecious. 



In a swamp near Britannia, six miles west of Ottawa, Sept. r4th, 

 X891. 



196. H. rugosum, Linn. 



On dry rocks along the expo&ed cliffs facing the Ottawr-River, 

 Rockcliffe Park, April z2nd, 1896. 



197. H. crista-castrensis, Linn. 



On logs and on earth in damp woods around Ottawa. Collected 

 near McKay's Lake, April 28th, 1896 ; in Dow's Swamp and at 

 Casselman. 



198. H. moUuscum, Hedw. 



On old logs in Dow's Swamp, Sept. gth, I889 1 o" logs near the 

 Lake in McKay's Woods, April 28th, 1896. 



