1 86 The Ottawa Naturalist. [January 



veiny and rus^ose, short-hirsute as to the petioles and along the 

 veins beneath, sometimes also on the upper face, and the mar- 

 gins ciliolate ; sepals obtuse, ciliolate from the base to the 

 middle ; corolla about 8 lines long and 9 in breadth, deep blue, 

 the paired petals broad-obovate, abruptly acutish, the odd one 

 nearly equalling those next to it, of oblong-obovate outline, fully 

 expanding; the apex almost truncate but cuspidately pointed in 

 the middle. 



Very abundant in woods and thickets along the bank of the 

 Rideau River from Billings's Bridge to the C. P. Ry. bridge. 

 Distributed from the herbarium of the Geological Survey as No. 

 18770. Specimens of this species have also been received from 

 Mr. J. M. Dickson, Hamilton, Ont. 



Viola affinis, Le Conte. 



The specimens which are for the present doubtfully referred 

 here were collected under over-hanging banks near the water's 

 edge along the Rideau River above Billings's Bridge. The 

 material collected was not sufficiently complete to allow of 

 satisfactory determination of the species. 



Viola populifolia, Greene, Pittonia, vol. in, p. 337. 



Plate III, Fig. 4.) 



An acaule.scent blue-flowered woodland violet akin to V. 

 cuspidata, but smaller, the petioles of the early leaves densely 

 villous-hirsute, the blade from broad-cordate in the very earliest 

 and smallest to deltoid or deltoid-reniform in those accompany- 

 ing the petaliferous flowers, notably broader than long, both sur- 

 faces but more conspicuously the lower, hirsute-pubescent, 

 especially along the veins ; corollas large, rather light blue, all 

 the petals broad and obtuse, the odd one like the others but a 

 little longer ; sepals of the petaliferous flowers oblong, obtuse, 

 hispidulous below especially the auricles ; apetalous flowers of 

 summer and autumn very .short-peduncled and horizontal or 

 partly buried, but the peduncles slender ; .sepals small, glabrous ; 



