LAVENDER TO PURPLE FLOWERS 141 



Vetch {Vicia sativa). Pulse family. 



Climbing by tendrils, somewhat hairy; flowers 

 "purplish or pinkish" (Dana), mostly without 

 stalks, large, papilionaceous; leaflets 5-7 pairs, 

 inversely egg-shaped to linear, notched, stipules 

 narroixK Fields. Spring, summer. 



Hog Peaxut (Amphicarpaea monoicd). Pulse family. 

 Stems delicate and twining about other plants; flowers 

 small, light purple, papilionaceous, in short racemes; 

 leaves with 3 thin leaflets. Rich woods. Common. 

 Late summer, autumn. 



11. Leaves not opposite, climbing or spreading, flowers in cluster. 



Marsh Vetchlixg {Lathyrus palustris). Pulse family. 

 Max. length of stem 3 ft. ; stem slender, often 

 winged; flower-stalks bearing 2-6 flowers, purple, 

 papilionaceous (^ in.) ; leaflets 4-8, narrow. Moist 

 places. Early summer. 



Nightshade {Solanuni Dulcamara) . Nightshade family. 

 Climbing; flowers purple with yelloiv centre, in 

 clusters; corolla S-clejt; stamens (5) prominent; 

 upper leaves with two ears at base. Moist banks. 

 Early summer-autumn. 



12. Same as 11, but flowers in head. 



Wild Bean {Strophostyles angulosa). Pulse family. 



Trailing; max. length 6 ft. ; flowers without stalks, 

 clustered in heads on long stalks (peduncles), 

 flowers "greenish purple" (Britton & Brown); 

 leaves of 3 egg-shaped pointed leaflets. Sandy 

 banks. Late summer and fall. 



13. Plant upright, no leaves. 



One-flowered Caxcer-root {Aphyllon uniflormn). 

 Broomrape family. 

 No leaves, main stem underground or nearly so, 

 short, scaly, with 1-3 slender branches, few in. 

 high, each bearing one flower; calyx generally 

 5-parted, N'iolet-colorcd; corolla (1 in. long) with a 

 long tube, and 5-lobed border. Damp woods. Spring. 



