BIBLIOGRAPHY 
Allard, H. A. and W.J.Zaumeyer. 1944. Responses of beans ( Phas- 
eolus) and other legumes to length of day. U.S. Dept. Agric. Tech. 
Bull. 867: 1-24. 
Bukasov, S. M. 1930. The cultivated plants of Mexico, Guatemala 
and Colombia. Bull. Appl. Bot. Gen. Pl. Breed., Suppl. 47: 151- 
176. Leningrad. (Mss. translated from the Russian by H. J. Kidd, 
Ann. Mo, Bot. Gard. 41: 271-299. 1954.) 
Burkart, Arturo and H. Briicher. 1953. Phaseolus aborigineus Burk- 
art, die mutmassliche andine Stammform der Kulturbohne. Der 
Ziichter 23 (3): 65-72. 
Carter, George F. 1945, Plant geography and culture history in the 
American Southwest. Viking Fund Publ. Anthrop, 5: 1-140. 
Greenman, J. M. 1907. New or Noteworthy Spermatophytes from 
Mexico, Central America and the West Indies. Field Col. Mus. 
Bot. Ser. 2: 247-287. 
Kaplan, Lawrence. 1956. The cultivated beans of the prehistoric 
Southwest. Ann. Mo. Bot. Gard. 43: 189-251. 
Piper, C. V. 1926. Studies of American Phaseolinae. Smithson. 
Inst., U.S. Nat. Mus. Contr. U.S. Nat. Herb. 22: 663-701. 
Whitaker, T. W., H.C. Cutler and R. 5. MacNeish. 1957. Cucurbit 
materials from three caves near Ocampo, Tamaulipas. Amer. Antiq. 
22: 352-358 
[ 56 | 
