(Vol. 1, 1914] 

 396 ANNALS OF THE MISSOUEI BOTANICAL GARDEN 



Gates, R. R. ('14). Breeding experiments which show that hybridization and mutation 



are independent phenomena. Zeitsohr. f. induct. Abst.- u. Vererbungsl. ii: 



209-79. /. 1-2B. 1914. 

 MacDougal, D. T., Vail, A. M., and Shull, G. H. ('07). Mutations, variations, and 



relationships of the Oenotheras. Carnegie Inst, of Washington Publ. 81 : 1-92. 



pi. 1-22. /. 1-7S. 1907. 



Explanation of Plate 



PLATE 20 



Fig. 1. (E. mvltiflora, rosette, 1909. 



Fig. 2. CE. multiflora elliptica, rosette, 1911. 



Fig. 3. CE. muUiflora, full-grown plant, 1909. 



Fig. 4. (E. multiflora elliptica, 1912. 



Fig. 5. CE. midtiflm-a, 1912. 



Fig. 6. (E. multiflora, flowering shoot, 1909. 



Fig. 7. CE. rubrinervoides, young plantlet showing absence of rosette, 1909. 



