A 



D 



Fig. 640: A, Cuscuta umheUata\ B, Cuscuta obtusifiora var. glandulosa; C, Cuscuta 

 Polygonorum; D, Cuscuta Cephalanthi; E, Cuscuta pentagona; f, Cuscuta campestris. 

 In each figure: a, flower, x 5; b, opened corolla, x 5; c, opened calyx, x 5; d, infrasta- 

 mineal scale, x 10; e, matured capsule, x 5. (From Yuncker in Lundell's Flora of Texas. 

 Vol. 3, Pt. 2). 



