A GUIDE TO THE WILD FLOWERS 73 



206. MORNING-GLORY. IPOMOEA. 



Twining or trailing on the ground. Flowers large, showy, 

 tubular or funnel form, solitary or a few together. Stigma 

 club-shaped or round, fruit a pod. (Convolvulaceae.) See 

 Fig. 207. 

 Leaves without lobes, stem smooth. 



207. Wild Potato Vine. Ipomoea pandurata. With an enor- 

 mous fleshv root, used by the Indians as we use the sweet 

 potato, to which it is related. Leaves heart-shaped at the base, 

 narrow tipped, 2-6 in. long. Flowers funnel-shaped, 1-5 to- 

 gether, white, or with pinkish stripes, 2-^ in. long. Pod with 

 2-4 hairy seeds. Summer. Ontario to Florida, Mich., Kan., 

 and Tex. Fig. 207. 



Leaves without lobes ; stems rough hairy. 



208. Morning-glory. Ipomoea purpurea. An annual vine, 

 4-10 ft. long, with fibrous roots. Leaves similar to the pre- 

 ceding, but hairy, 2-4 in. long. Flowers also similar to the 

 preceding, but blue, purple, or very rarely white. Mostly 

 as an escape from gardens. Summer. Nova Scotia to Florida, 

 west to Neb. and Tex. Native of tropical America. Another 

 Morning-glory, Ipomoea hederacea, differing chiefly in hav- 

 ing lobed leaves, is found from Maine to Florida, Pa., Neb. 

 and Mex. Native of tropical America. 



209. BINDWEEDS. CONVOLVULUS. 



Similar in general aspect to the Morning-glory, but with 

 generally smaller flowers, and stigmas apparently forked. 

 (Convolvulaceae.) See Figs. 210, 213. 

 Flowers with 2 leaf -like organs at the base (see fig. 210) 

 Leaves '^ ylbercl-shaped, or arrowhead-shaped (see fig. 210) 



Lea •I' halberd-shaped, stems 3-10 ft 



Hedge Bindweed no. 210 



Leaves arrowhead-shaped, stems 1-3 ft 



'. Trailing Bindweed no. 21 1 



Leaves oval Low Bindweed no. 212 



Flowers without 2 leaf -like organs at the base (see fig. 213) .... 



Small Bindweed no. 213 



210. Hedge Bindweed. Convolvulus scpium. Leaves sl^r.der 



