348 Karl M. Wiegand and Arthur J. Eames 



c. Corolla remaining at base of capsule ; lobes 5, not markedly tbickened or 

 papillose; calyx lobes very broad, obtuse, coarsely cellular. [C. pentagona] 

 c. Corolla capping the capsule; lobes usually 4, thickened and cellular-papillose; 

 calyx lobes triangular, acute, indistinctly cellular. 2. C. Ccryli 



b. Lobes of the corolla obtuse, erect or spreading ; calyx lobes obtuse. 



c. Corolla tube cylindrical, capping the capsule, the lobes 4; capsule depressed- 

 globose, thin-walled, slightly or not at all glandular ; flowers in rather loose 

 clusters. 3. C. Ccphalanthi 



c. Corolla tube campanulate, surrounding or rarely capping the capsule, the 

 lobes 5 ; capsule globose-conic but obtuse, the wall thickened at summit, 

 strongly and coarsely glandular-spotted ; flowers in loose or dense clusters. 



4. C. Gronovii 

 [C. Epithymum Murr. Clover Dodder. 



On clover, alfalfa, and other leguminous plants, generally in cultivated fields. 

 Not yet reported from the Cayuga Lake Basin, but frequent near by, at Geneva, 

 N. Y. Native of Europe.] 



1. C. Epilinum Weihe. Flax Dodder. 



Parasitic on cultivated flax; frequent where flax is grown. 



On farms e. of Owasco Lake, frequent (F. L. Kilborne, D.) ; rarely in flax fields 

 between Cayuga and Seneca Lakes (D.). 



N. S. to N. J., N. Y., Pa., and Ohio. Introduced from Eu. 



[C. pentagona Engelm. (See Yuncker, Univ. 111. Biol. Monog. 6, nos. 2-3, p. 50. 

 1921. C. arvensis of Gray's Man., ed. 7.) 



On various low plants. 



Not yet reported from the Cayuga Lake Basin, but to be sought on the Ontario 

 plain. 



Mass. to Minn, and Calif., southw. to Fla., Miss., and Mex. 



A plant primarily of the Atlantic Coastal Plain and the Mississippi Valley, but 

 collected at De Kalb in St. Lawrence Co. (O. P. Phelps, no. 1191), at Industry in 

 Monroe Co. (/. H. Hotvard in C. U. Herb.), and in Rockland Co. (C. F. Austin).] 



2. C. Coryli Engelm. (C. inflexa of Cayuga Fl.) 

 Dry hillsides and thickets; scarce. Aug.-Sept. 



Hillside near White Church, on daisies and Ceanothus (D.) ; West Danby, by the 

 hill road near Thatcher Pinnacles (D.) ; Fall Creek, on asters and Solidago (D.) ; 

 n. of Beebe Lake, on Desmodium nndiflontm (K. M. IV. in C. U. Herb.). 



R. I. and N. Y. to S. Dak., southw. to Va. and Ark., Tex., and Ariz. ; rare on the 

 Coastal Plain. 



Apparently a rare species in N. Y. State, about ten stations having been reported. 



3. C. Cephalanthi Engelm. (C. tenui flora of Cayuga Fl.) 

 Gravelly shores ; rare. Aug.-Sept. 



Farley Point, on Aster paniculatus and Salix longifolia; Union Springs, on 

 Mentha piperita (D.) ; Montezuma, in meadows n. e. of village, abundant on Aster 

 paniculatus (D.) ; strand of Seneca River at Howland Island, on Aster paniculatus 

 (L. F. Randolph, A. J. E., & K. M. W.) ; Cayuga Lake, 1895 (IViegand, according 

 to Yuncker). 



Me. to Oreg., southw. to Va., Tenn., Tex., and Ariz. ; occasional on the Coastal 

 Plain in N. J. The stations in the Cayuga Lake Basin are at the northern edge of the 

 range of this species. 



The inflorescence is looser- than that of C. Gronovii. 



