42 

 LITERATURE CONSULTED. 



Chapman: Flora of tht Southern United States; Third Edition, 



1897. 

 Small: Flora of the Southern United States; 1903. 

 Wood: Class Book of Botany. 

 Coulter: Botany of Western Texas. 

 Ekitton and Brown: Illustrated Flora of Northern United 



States. 

 Britton: Flora of Northern United Shifts. 

 Gray: Synoptical Flora of North America. 

 Beale: Grasses of North America. 

 Mom; : Flora of Alabama. 



Lamson-Scribner : American Grasses; United States Depart- 

 ment of Agriculture. 

 Norton. J. B. S. : Monograph of Euphorbia section Tithymalus; 



Publication of St. Louis Botanical Gardens. 

 Coulter and Rose: Monograph of UmbelUferae of North 



America. 

 Lesquereux and James: Mosses of North America. 

 Dixon and Jamieson: Handbook of British Mosses. 

 Barnes: Key to North American Mosses. 

 Various papers in Bryologisi Torrey Bulletin and Botanical 



Gazette. 

 Tuckerman: Lichens of North America. 

 Hale. Riddell and Oarpente- : Catalogue of Flowering Plants 



of Louisiana: published in 1859. in New Orleans Medical 



end, Surgical Journal. 

 Langlois, A. B. : Catalogue Provisoire de Plantes Phanerogames 



ct Cryptogames de la Basse-Louisiane; published in Franco, 



1887. 

 Scribner and Merrill: North America Species of Chaetochloa; 



United States Department of Agriculture, 1900. 



The information concerning the soil. etc.. in the prairie re- 

 gions of Caleasien. was obtained from the Soil Survey of the 

 Lake Charles Area of Louisiana, by W. H. Heileman and Louis 

 Mesmer, United States Department of Agriculture, Bureau of 

 Soils. 



