28 COMMON CANADIAN WILD PLANTS. 



Var. SCabriuseula, Torr. and Gray, is smaller, and less 

 pubescent, often nearly smooth. 



13. V. Nuttal'lii, Pursh. Low, densely pubescent, or 

 sometimes nearly glabrous. Leaves oblong-ovate or oblong, 

 obtuse, entire or obscurely sinuate, decurrent on the petiole ; 

 stipules mostly narrow, entire. Dry soil. N.W. 



I-H- Flowers not yellotv. 



14. V. Canadensis, L. (CANADA V.) Tall, often a foot 

 high. Leaves large, cordate, serrate, pointed. Petals white 

 inside, purplish outside. Spur very short. Flowering all 

 summer. 



15. V. eani'na, L., var. sylvestris, Eegel. (DOG V.) 



Low, spreading by runners. Leaves broadly cordate or 

 reniform, with fringed-tootlied stipules. Spur cylindrical, 

 half as long as the petals, which are pale purple. Wet 

 places. 



Var. lon'glpes, Watson, of the N. W. plains, has ovate 

 leaves, obscurely crenate. Spur as long as the sepals, stout, 

 obtuse, and nearly straight. 



16. V. Stria' ta, Ait. (PALEV.) Stem angular, 6-10 inches 

 high. Leaves cordate, finely serrate ; stipules fringed- 

 toothed. Spur thickish, much shorter than the cream- 

 coloured or white petals. Low grounds. 



17. V. POStra'ta, Pursh. (LONG-SPURRED V.) Distin- 

 guished at once by its extremely long straight spur. Petals 

 violet-coloured . 



18. V. tri'COlor, L., var. arvensiS, DC. (PANSY.) Stip- 

 ules large, leaf-like and lyrate-pinnatifid. Stem angled and 

 branched. Leaves roundish. Petals variable in colour, 

 about as long as the sepals. Dry soil. 



2. SO'LEA, Spreng , in part. GRKEN VIOLET. 



S. eon' color, Ging. A homely herb with oblong entire 

 leaves pointed at each end, and 1-3 small greenish- white 

 flowers in the axils, on short recurved pedicels. Pod an inch 

 long. Rare ; Niagara River and the banks of the Thames. 



