Vol. III.] 



DODDER FAMILY. 



5. Cuscuta indecora Choisy. Pretty 

 Dodder. (Fig. 2960.) 



Cuscuta indecora Choisy, Mem. Soc. Gen. 9: 



278. pi. 3. f.5- 1841. 

 C. pulcherrima Scheele, Linnaea, ax: 750. 1848. 

 Cuscuta decora Choisy; Engelm. Trans. St. 



Louis Acad. 1: 501. 1859. 



Stems rather stout; flowers \y z " long, 

 pedicelled in loose cymes, more or less 

 papillose. Calyx 5-lobed, the lobes ovate 

 to lanceolate, acute, mostly shorter than the 

 corolla- tube; corolla campanulate, 5-lobed, 

 the lobes triangular, minutely crenulate, 

 spreading, nearly as long as the tube, their 

 tips inflexed; scales ovate, erect, irregularly 

 fringed with short processes all around; sta- 

 mens slightly exserted, or included; stigmas 

 capitate; capsule oblong, acute, enveloped 

 by the withering corolla. 



On various herbs and low shrubs, Illinois to 

 Nebraska, south to Florida, Texas and Mexico, 

 in several forms. Also in the West Indies and 

 South America. Corolla white; stigmas often 

 yellow or purple. June-Aug. 



6. Cuscuta Coryli Engelm. Hazel 

 Dodder. (Fig. 2961.) 



Cuscuta Coryli Engelm. Am. Journ. Sci. 43: 337. 



/. 7-1 1. 1842. 

 Cuscuta inflexa Engelm. Trans. St. I,ouis Acad. 



1:502. 1859. 



Stems coarse; flowers about i // long, pedi- 

 celled in loose, or rather dense cymes. Calyx 

 4_5-lobed, the lobes triangular or triangular- 

 lanceolate, acutish, about as long as the 

 corolla-tube; corolla campanulate, 4-5-lobed, 

 the lobes minutely crenulate, nearly erect, 

 triangular, acute, about as long as the tube, 

 their tips inflexed; scales small, oval, obtuse, 

 often with only a few processes on each 

 side; stamens scarcely exserted; styles 

 shorter than the ovary; stigmas capitate; 

 capsule oblong, pointed, enveloped or at 

 length capped by the withering corolla. 



On the hazels and other shrubs or tall herbs, 

 Connecticut to Virginia, west to Nebraska and 

 Arkansas. July-Aug. 



7. Cuscuta Cephalanthi Engelm. But- 

 ton-bush Dodder. (Fig. 2962.) 



Cuscuta Cephalanthi Engelm. Am. Journ. Sci. 43: 336. 



pi. 6. f. 1-6. 1842. 

 Cuscuta tenuiflora Engelm.; A. Gray, Man. 350. 1848. 



Plant yellow, stems rather coarse ; flowers about 

 l // long, short-pedicelled, clustered; calyx 5-lobed, 

 the lobes ovate, obtuse, shorter than the corolla- 

 tube; corolla cylindric-campanulate, its lobes ovate, 

 obtuse and rounded, spreading, one-half the length 

 of the tube or less; scales about as long as the 

 lobes, fringed mainly toward the apex with ir- 

 regular processes; stamens included; styles slender, 

 about as long as the ovary, shorter than the ripe 

 capsule; stigmas capitate; capsule depressed-glo- 

 bose, \%" in diameter, surrounded or capped by 

 the withering, at length deciduous corolla. 



On shrubs and tall herbs, Pennsylvania to Minne- 

 sota and the Northwest Territory, south to Texas and 

 Arizona. July-Aug. 



