GENUS I. 



DODDER FAMILY. 



5 1 



8. Cuscuta Gronovii Willd. Gronovius' 

 Dodder. Love-vine. Fig. 3449. 



C. Gronovii Willd.; R. & S. Syst. 6: 205. 1820. 

 Cuscuta vulgivaga Engelm. Am. Journ. Sci. 43 : 

 338. pi. 6. /. 12-16. 1842. 



Stems yellow to orange, slender, high-climb- 

 ing; flowers usually short-pedicelled, numerous 

 in dense cymes. Calyx not bracted, its lobes 

 ovate, obtuse, shorter than the corolla-tube ; 

 corolla campanulate, about \\" long, the lobes 

 ovate, obtuse, rounded, spreading, nearly as 

 long as the tube, the scales narrow, equalling 

 or longer than the tube, thickly fringed about 

 the summit and sparingly along the sides with 

 long slender processes ; styles slender, not as 

 long as the ovary ; stigmas capitate ; capsule 

 globose, short-pointed or pointless, ii" in diam- 

 eter, enveloped or capped by the withering 

 deciduous corolla. 



On herbs and low shrubs, Nova Scotia to Mani- 

 toba, Montana, Florida and Texas. Scald-weed. 

 Devil's-gut July-Aug. 



9. Cuscuta rostrata Shuttlw. Beaked 

 Dodder. Fig. 3450. 



Cuscuta rostrata Shuttlw. ; Engelm. Bost. Journ. 

 Nat. Hist. 5: 225. 1845. 



Stems coarse, yellowish white ; flowers larger 

 than in any of our other species, loosely cy- 

 mose, pedicelled. Calyx gamosepalous, 5-lobed, 

 the lobes ovate-triangular, shorter than the 

 corolla-tube ; corolla campanulate, 2" -3" long, 

 white, its lobes broadly ovate, obtuse, about as 

 long as the calyx-lobes ; scales narrow, some- 

 times spatulate, shorter than the tube, heavily 

 fringed at the summit and sparingly along the 

 sides with long slender processes ; stamens in- 

 cluded; styles slender, about as long as the 

 flask-shaped ovary; stigmas capitate; capsule 

 oval, long-beaked. 



On herbs and shrubs, Maryland to South Caro- 

 lina and Georgia. July-Sept. 



10. Cuscuta cuspidata Engelm. Cuspidate 

 Dodder. Fig. 3451. 



Cuscuta cuspidata Engelm. Bost. Journ. Nat. Hist. 5: 

 224. 1845. 



Plant yellowish; stems slender; flowers about 

 ii" long in loose panicled cymes. Calyx of 5 

 distinct entire sepals, shorter than the corolla- 

 tube, with 2-4 similar bracts at its base and often 

 others on the pedicels; sepals orbicular to lanceo- 

 late, cuspidate, mucronate or acuminate; corolla 

 nearly salverform, its lobes triangular-lanceolate 

 or oblong, acute or cuspidate, spreading, about 

 one-half the length of the tube; scales narrow, 

 usually less than one-half as long as the tube, 

 fringed all around with short irregular processes ; 

 stamens not exserted ; styles very selnder, longer 

 than the ovary; stigmas capitate; capsule bearing 

 the withered corolla on its summit. 



On coarse herbs, Nebraska to Missouri and Texas. 

 July-Sept. 



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