CUSCUTACEAE. 



Vol. III. 



5. Cuscuta indecora Choisy. Pretty 

 Dodder. Fig. 3446. 



Cuscuta indecora Choisy, Mem. Soc. Gen. 9: 278. 



pl.3-f.5- 1841. 

 C. pulcherrima Scheele, Linnaea 21 : 750. 1848. 

 Cuscuta decora Choisy ; Engelm. Trans. St. Louis 



Acad. 1 : 501. 1859. 



Stems rather stout; flowers ii" long, pedi- 

 celled 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 trian- 

 gular, minutely crenulate, spreading, nearly as 

 long as the tube, their tips indexed; scales 

 ovate, erect, irregularly fringed with short 

 processes all around; stamens 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 races. Also in the West Indies and 

 South America. Corolla white ; stigmas often 

 yellow or purple. June-Aug. 



6. Cuscuta Coryli Engelm. Hazel Dod- 

 der. Fig. 3447. 



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



/. 7-1 1. 1842. 

 Cuscuta inflcxa Engelm. Trans. St. Louis Acad. 1 : 



502. 1859. 



Stems coarse; flowers about 1" 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, point- 

 ed, enveloped or at length capped by the with- 

 ering corolla. 



On the hazels and other shrubs or tall herbs, 

 Connecticut to Virginia, South Dakota and Arkan- 

 sas. July-Aug. 



7. Cuscuta Cephalanthi Engelm. Button- 

 bush Dodder. Fig. 3448. 



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

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



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



Plant yellow, stems rather coarse ; flowers about 

 1" 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 irregular pro- 

 cesses; stamens included; styles slender, about as 

 long as the ovary, shorter than the ripe capsule ; 

 stigmas capitate: capsule depressed-globose, ii" in 

 diameter, surrounded or capped by the withering, at 

 length deciduous corolla. 



On shrubs and tall herbs. Pennsylvania to Minnesota, 

 Texas and Arizona. July-Aug. 



