16 THE SOURCE OF THE DRUG DIOSCOREA. 



The following specimens of Dioscorea paniculata have been ex- 

 amined : " 



Connecticut. — Fairfield County, C. L. Pollard, 115; Middlesex County, J. II. 

 Redflchh 7952, and S. B. BncMcy, September, 1835; New Haven County, 0. II. 

 Bissell, 203, and A. L. Winton, July 8, 1886 ; New London County, G. R. Lums- 

 dcti, July 16, 1885.* 



New York. — Chemung County, T. F. Lucy, 712; New York County, N. L. 

 Britton, July 22, 1879; Tioga County, F. V. Covillc. June 4, 1887, and F. E.' 

 Fenno, 401 ; Westchester County, G. V. Nash, July 2, 1896. 



New Jersey. — Atlantic County, C. A. Gross; Bergen County, N. L. Britton, 

 September, 1883; Camden County, E. B. Bartram, August 3, 1907; Hudson 

 County, A. C. Hexamcr and F. W. Maier, August 17, 1852, and William M. Van 

 l^icMe, July 1, 1894; Ocean County, J. II. Grove, July 16 and August 21, 1908; 

 Passaic County, G. V. Nash, July, 1889; Warren County, Albrecht Jahn, Sep- 

 tember 14, 1895, Thomas C. Porter and A. A. Tyler, June 27, 1896. 



Delaware. — Newcastle Countj% A. Commons, July, 1866. 



Maryland. — Allegany County, Howard ^Iirirer, in 1894; District of Columbia, 

 F. Blanchard, September 17, 1890, L. F. Ward, July 8, 1878, and C. L.^Pollard, 

 G05. 



Pennsylvania. — Bucks County, Bayard Long, July 6, 1909 ; Center County, 

 W. A. Buckhout, October, 1909; Crawford County, O. E. Jennings, August 19, 

 1904, and J. A. Shafer, July 23, 1901 ; Dauphin County, J. K. Small, July 18, 

 1888; Delaware County, >S'. S. Van Pelt, June 24, 1906; Franklin County, /. A. 

 Keller, July 28, 1895; Lebanon County, J. K. Small, December, 1891; Lehigh 

 County, A. F. K. Krout, June, 1878; Monroe County, Joseph Craivford, July 4, 

 1896; Montgomery County, Alexander MacElivee, June 26, 1892; Northampton 

 County, A. A. Tyler, 550, and Bayard Long, June 29, 1908; Philadelphia 

 County, J. II. Redfleld, 7951. 



Ontario. — Essex County, Macoim, July 24, 1892; Lincoln County, IF. C. 

 McCalla, 244 ; Welland County, Cameron, August, 1892. 



Ohio. — Franklin County, E. B. Williamson, June 22, 1897 ; Hamilton County, 

 C. G. Lloyd, June 25, 1890, and IF. H. Aiken, June 15, 1902: Lucas County, 

 Lewis Schults, 1705; Richland County, E. Wilkinson, 10214; Sandusky County, 

 M. J. Persing, July 10, 1897 ; Summit County, L. D. Stair, June 26, 1896; Wayne 

 County, -4. Russ, 435, and -1. D. Selby and J. W. T. Dnvel, 4.36. 



Michigan.— V,Yi\\\Q\\ County, J. Shaddick, July 29, 1896; Cass County, //. S. 

 Pepoon, 452; Genesee County, D. Clark; Gratiot Countj-, C. A. Davis, July 10 

 and October, 1892; Ingham County, C. F. Wheeler, June 20, 1895; Ionia 

 County, F. P. Daniels, June, 1896; Jackson County, Houghton, July 13, 1S38; 

 Kalamazoo County, Houghton, August 2, 1838; Kent County, .4. A. Crozier, 

 July 11. 1886; Lenawee County, W. J. Beat, in 1886; Muskegon County, C. D. 

 McLouth, September 7, 1898; Shiawassee County, G. H. Hicks, July 13, 1889; 

 Washtenaw County, Houghton, July 2, 1838; Wayne County, William Boote, 

 June 26, 1871. 



Wisconsin. — Dane County, H. L. Russell, June 20, 1887, and L. S. Cheney, 

 July 5, 1890; La Crosse County, L. II. Pammel, July, 1887; Lafayette County, 

 L. 8. Cheney, June 26, 1890; Wood County, B. M..Vaughan, July, 1883. 



"The occurrence of Dioscorea paniculata in Middlesex County, Massachusetts, 

 shown in figure 3, is based upon Bigelow's report of tlie plant as "rare" in 

 "woods on the Concord turnpike." (Florula Bostoniensis, 2d ed., 1824, p. 369.) 

 It has not been reported since. 



* Of all the specimens cited in this synopsis, only this one had branched 

 pistillate inflorescences. 

 189 



