SELECTED REFERENCES 429 



Evolution 



Coulter, J. M., The Evolution of Sex Plants. Chicago, 1914. 



Svedelius, N., Alternation of Generations in Relation to Reduction Division. Bot. 



Gaz. 83 :3r)2-384. 1927. 

 Turrill. W. B., Taxonomy and Phylogeny. Bot. Rev. 8:473-532; 655-707. 1942. 

 Wahl. H. A., Alternation of Generations and Classification with Special Reference to 



the Teaching of Elementary Botany. Torreya ^5:1-12. 1945. 



