VIOLACE^E 37 



trigonous: V. arenaria^ DC.; flowers pale blue, stipules 

 fimbriate, whole plant covered with a soft down ; Switzer- 

 land, Dauphiny, rare. V. mirabilis, L.; flowers pale blue, 

 fragrant, stipules ovate-lanceolate, ciliate, sepals ovate- 

 lanceolate, acute ; Switzerland, rare. V. pratensis, Koch 

 (pumila, VilL); flowers blue, leaves decurrent on the 

 petiole, stipules inciso-dentate ; damp places ; Jura, South- 

 ern Switzerland, rare. V. uliginosa, Bess. ; stem very short, 

 spur short, leaves obovate, sub-cordate, stipules entire; 

 moist places ; Carniola, Carinthia. 



B. Stipules not leafy ; style thickened ; stigma bifid ; 

 the two upper and two lateral petals directed upwards: 



-V. biflora, L. (PI. 10); flowers yellow streaked with 

 brown, two in each leaf-axil, leaves kidney-shaped, 

 crenate ; Alps, Jura, Pyrenees, frequent. 



C. Style pointed, curved; stipules leafy: V. montana, 

 L. (stricta, Horn.) ; flowers large, violet-blue, sepals acute, 

 spur obtuse, green, stipules dentate; Southern Switzer- 

 land, Tirol. V. Schultzii, Bill. ; flowers pale yellow then 

 white, spur green then yellow, leaves cordate, stipules 

 dentate ; Jura, Carniola, Tirol. 



D. Stipules leafy ; the two upper and two lateral petals 

 directed upwards ; stigma globular, hollow, bearded : 

 V. tricolor, L., Heartsease, Pansy, with its sub-species, 

 in cultivated land; also the following alpine and sub- 

 alpine species : V. alpina, L. ; flowers large, blue, rarely 

 white, radical leaves rounded-ovate, crenate, stipules 

 adnate to the leaf-stalk, stem-leaves o ; Eastern Swit- 

 zerland, Tirol, Carpathians, frequent. V. cenisia, L., 

 flowers violet, leaves entire, hispid, spur of corolla as 

 long as calyx, stipules entire; Switzerland, Tirol, 

 Dauphiny, Pyrenees. V. Comollia, Mass.; resembling 



