LITERATURE CITED. 



(1) Alefeld, F. G. C. 



1866. Landwirtschaftliche Flora ... p. 75-76. BerliP. 



(2) AscHEBsoN, P. F. A., and Gbaebner, Paul. 



1898-99. Flora des Nordostdeutschen Flachlandes (ausser Ostpreussen). 

 p. 432. Berlin. 



(3) Babey, C. M. p. 



1845. Flore Jurassienne ... t. 1, p. 363. Paris. 



(4) Baker, J. G. 



1879. Legummosse. In Hooker, J. D. Flora of British India, v. 2, 

 p. 90. London. 



(5) Balcis, G. B. . 



1801. Elenco delle Piante Crescent! ne' Contorni di Torino, p. 93. 

 Torino. 



(6) Bauhin, Johann. 



1651. Historia Plantarum Universalis ... t. 2, p. 383. Ebroduni. 

 Bauhix, Kaspar. 



(7) [1596.] Phytopinax . . . p. 661. Basilise. 



(8) 1623. Pinax ... p. 330. Basilia? Helvet. 



(9) Besser, W. S. J. G. VON 



1809. Primitiae Florae Galiciae Austriacae Utriusque. pars. 2, p. 127. 

 Viennae. 



(10) Bock, Hieronymus. 



1552. De Stirpium . . . Commentariorum libri tres ... p. 591. Ar- 

 gentorati. 



(11) BOENNINGHAUSEN, C. M. F. VON. 



1824. Prodromus Florae Monasteriensis Westplialorum ... p. 225. 

 Monasterii. 

 Brand, C. J. 



(12) 1907. Peruvian alfalfa: A new long-season variety for the Southwest. 



U. S. Dept. Agr., Bur.' Plant Indus. Bui. 118, p. 8. 



(13) 1911. CJririini ;ilf:ilf:i ;ind its ntilization in the Northwest. U. S. Dept. 



Agr., Bur. Plant Indus. Bui. 209, p. 26. 



(14) P>KiGG.s, L. J., and Shantz, H. L. 



1914. Relative .water requirement of plants. In Jour. Agr. Research, 

 V. 3, no. 1, p. 61. 



{'\Tt) CiiARRfe, Dominique. 



](}66. Stirpium Icoiies et Schigraphia ... j). 105. Oenevae. 



(16) CusTN, L. A., and Anrbkroue, VAmC:. 



1869. Herhi(;r dc In l-'lorc Kraiicjiisc'. |t. .VO], pi. 1011. T^yon. 

 ni) Daftiiari), T. F. 



1749. Florae PurislenslH I'rodroijui.s ... ji. 229. Paris. 



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