A GUIDE TO THE WILD FLOWERS 71 



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201. RUNNING MILKWEED. VINCETOXICUM. 



Similar to the preceding, but with the lobes of the flower 

 decidedly spreading, and in our species the pods rough. 

 (Asclepiadaceac. ) 



Running Milkweed. Vincetoxicum hirsutum. Stem downy, 

 slender. Leaves heart-shaped at the base, on a hairy stalk. 

 Flowers clustered, brownish-purple to greenish-yellow. Pods 

 3-5 in. long, roughened and somewhat hairy. Md. to Fla., 

 west to Tenn. Summer. Fig. 201. Other species are known. 



202. Leaves all alternate (Nos. 203-213). 



Leaves apparently, though not actually compound, merely deeply 



cleft ; flowers usually bluish purple, fruit a berry 



Climbing Nightshade no. 203 



Leaves not deeply cleft, often lobed 



Flowers small, never tubular, in various kinds of clusters. 



Stems prickly-hairy Tear-thumb no. 204 



Stems smooth False buckwheat no. 205 



Flowers large, tubular, one or a few together, but not in 

 clusters. 



Stigma round (see Fig. 207) Morning Glory no. 206 



Stigma forked (see Figs. 211, 213) Bindweed no. 209 



203. Climbing Nightshade, or Bitter-sweet. Solanum 

 Dulcamara. (Solanaccae.) A straggling vine scarcely inore 

 than 6 ft. high, often somewhat woody. Leaves stalked, some- 

 times undivided, more often deeply 3-cleft, the middle lobe 

 much larger than the side ones. Flowers bluish-purple, rarely 

 white, in clusters, about J/^ in. long, followed by a bright 

 red oval or round berry. Summer. Nova Scotia to Minn., 



