BLUE FLOWERS 



153 



8. Same as 7, but flowers in cluster. 



SEA-LUNGWORT (Mertensia maritima}. Borage family. 

 Spreading; flowers, blue, in terminal raceme-like 

 clusters; corolla somewhat trumpet-shaped; leaves 

 with very short stalks, not toothed. Beaches. 

 Spring-autumn . 



Fig. 73- 



Blue vetch ( Vicia Craccd) . 



\ 



9. Same as 7, but flowers 1-3. 



BUTTERFLY-PEA (Clitoria Mariana). Pulse family. 



Twining plant; flowers large, conspicuous, papil- 

 ionaceous, light-blue, 13 on stalk; leaflets 3, 

 lance-shaped. Dry ground. New York, West and 

 South. 



10. Leaves not opposite, upright plant, leaves in water. 



WATER LOBELIA (Lobelia Dortmannd). Lobelia family. 

 Av. ht. i ft. ; leaves in water, linear; leafless stem 

 hollow, bearing an open raceme of light blue 

 flowers; calyx 5 -pointed; corolla with straight 

 tube, 2 -lipped with lips 2-lobed and 3-lobed. Bor- 

 ders of ponds. Summer and early autumn. 



