2i8 The Ottawa Naturalist. [March 



ton. A very distinct species {Rhodora, Jan., 1904) recently separ- 

 ated from S. luci'da by Dr. Fernald. The capsules of this species 

 do not dehisce until late in October or the beginning of November, 

 while those of ^S". lucida do so in June. 



Salix purpurea. Rare. A shrub near Puslinck Lake, in the 

 south of the county. 



Salix s&ricea. Our most abundant willow. 

 Salix petiolaris. Scarce. 



Nymph.s;a reniformis. Common in Puslinch Lake. 



Adlumia cirrhosa. Scarce. Rockwood, Ont. 



Lepidium campestre. Scarce. 



Lepidium intermedium. Our common Lepidium. I have not 

 yet found Virginicum here. 



Barbarea vulgaris. Scarce. 



Alyssum calycinum. Common along roadsides south of 

 Guelph. 



Amelanchier Canadensis rotundifolia. Common at Pus- 

 linch Lake. 



Phus venfnata. Rare at Puslinch Lake. 



Vicia tetrasperma. Along the C. P. R. track near Killean, 

 Ont. 



Viola Selkirkh. Rare. 



Lythrum Salicaria. Rare. At the west end of Guelph by 

 the roadside. 



Conioselinum Canadense. Common in bogs and damp 

 ground in the souih of the county. 



Angelica atropurpurea. Common near Guelph and eastward 

 in the county. 



MoNOTROPA HYPOPiTYS. Scarce at Puslinch Lake. 



MoNARDA DiDYMA. Common along the Speed west of Guelph. 



Verbena stricta. Rare at Puslinch Lake. 



Viburnum cassinoides. Scarce. 



LoNiCERA OBLONGiFOLiA. Rare at Puslinch Lake. 



Lactuca hirsuta Common at Puslinch Lake. 



