410 THE CANADIAN NATURALIST. [DcC, 



is, however, a mistake, and possibly it does not reach so far 

 north as the St. Lawrence. T. dioicum has a wide range, but 

 there are two distinct forms about Kingston which require further 

 investigation, one growing near Kingston Mills and the other at 

 tiie Penitentiary. T. alpinum, an arctic European plant, is con- 

 fined with us to Anticosti and Newfoundland ; it is general within 

 the Arctic circle, and runs down the Rocky Mountains to low 

 latitudes, as Arctic plants are apt to do. T. davatimi is a York 

 Factory plant remarkable for its pod-like, stipitate carpels, without 

 furrows, but with embossed veins. Of Ranunculus 18 species are 

 described and 1 excluded. R. repens is the most coninion as a 

 weed, but rare as an indigenous plant, in which character it grows 

 near Toronto, where it has beon observed for many years by 

 Prof. Hiucks. R. hulhosus has been frequently reported as 

 Canadian, but the evidence is doubtful. R. ovalis, R. brevicauUs, 

 and R. cardiophyllus are referred as mere forms of R. rhom- 

 boideus. R. aurlcomus does not belong to our flora, and R. 

 affinis, here referred as a variety of it, is confined to the Arctic 

 Sea and the North West Hudson Bay Territories. Of R. ahor- 

 tivus two varieties (pratensis and sylvaticus) are described. R. 

 nivalis was found by Dr. Rae at Repulse Bay, and the specimens 

 agree with sulphureus of Solander, R. Cynibalaria is a seashore 

 plant. The numerous varieties of R. multijidus and R. aqiiatilis 

 still require careful comparison in the living state with European 

 forms. R. d'lgitatus, is a Rocky Mountain plant, approaching 

 Ficaria of Europe. TrolUus laxus has not been recently found 

 in Canada. Aquilegia Canadensis presents two forms, and 

 abounds in Ontario, but becomes scarce eastward and northward ; 

 it will probably be found in Annapolis, if anywhere in Nova Scotia. 

 A. hrevistyla is quite western, and does not come so far east as 

 to enter the Province of Ontario. A. vulgaris, on the other hand, 

 is confined to Nova Scotia, except as a mere garden escape ; but 

 even with us it is only a naturalized plant, one of the Wild 

 Flowers of England brought long years ago by the Duke of Kent, 

 and now widely spread through the woods and along our railway 

 banks and roadsides. Delphinium exaUatiim is from the Youcon 

 and Clear Water Rivers, although in the States its distribution is 

 decidedly southern. D. azureum is also from the Youcon ; D. 

 CortsoZicZa, an introduced European plant, is found at Prescott, and 

 D. Ajacis, is an excluded species, not permanently naturalized. 

 Aconitum deJphinifolium is kept distinct from Napellus, of which 



