144 Convolvulus ( ' ConvolvulacecB ) \ [No. 18 



Stem, coarse. 



Fruit, pointed, enveloped by the persistent corolla. 



Found, in open wet ground from Illinois to Florida and 

 Texas and westward. Favorite supports are low 

 plants, oftenest of the Leguminosae and the Com- 

 posite Families. 



Var. pulchirrima, Eng., has larger flowers, one eighth 

 to one quarter inch in length and width, with yellow or 

 purple anthers and stigmas. 



(5) Bending Dodder. C. infldxa, Eng. 



Flowers, one twelfth inch in length, fleshy, bell-shape, in 

 loose clusters. Corolla-lobes, usually four, erect with 

 the pointed tips turned in. Edges, minutely round- 

 toothed. Sepals, united. Scales, at the base of the 

 stamens, minute, reduced to a few teeth. 



Fruit, brownish, pointed, often with the withered corolla 

 at its summit. 



Found, in dry ground from southern New England to 

 Nebraska. 



Fig. 69. — (6) Gronovius' Dodder. C. Gronbvii, Willd. 



Flowers, very variable in size, usually from a little over 

 one twelfth to one eighth inch in length, in loose 

 clusters. Corolla, bell-shape, the tube longer than 

 the lobes and longer than the calyx. Corolla-lobes, 

 mostly five, spreading, blunt. Sepals, united. Scales, 

 at the base of the stamens large, oval, and abundantly 

 fringed. August, September. 



Stems, light orange, coarse, often high climbing. 



