L. Britton and James Britten (it is inadvisable to abbreviate 

 these names, when standing alone, to "Britt."-— a too prevalent 

 practice). 



University of California 

 Berkele v 



Literature cited 



1 1 > 1 7 Rydberg, P. A. Flora of Rocky Mountains and Adjacent Plains. Publ. 



by author, N. V. 1070-1077. (same for ed. 2, 1022.) 

 1923 Abrams, LeRoy 111. Flora of the Pacific States. Stanford Press, Calif. 

 1925 Hitchcock, A. S. Methods of Descriptive Systematic Botany. John 



Wiley & Sons, N. Y. (cf. chap. 4.) 



1931 Willis, J. C. Dictionary of Flowering Plants and Ferns. Cambridge 



Press, London, (sub "abbreviations.") 



1932 Rydberg, P. A. Flora of Prairies and Plains of Central N. Am. New 



York Botanical Garden, N. Y. 904-913. 



