430 2'^^^^' BOTANICAL MAGAZINE. LVoi. xxx. Xo. m 



Oenothera semigigas. 7 14 



LuTZ; Biol. Centralbl. 32. 1912. 



Gates; Mutation factor in evolution. 1915. 

 0. lata 15 



LuTz; Biol. Centralbl. .32. 1912. 



Gates; Ann. Bot. 26. 1912., Gates and 

 Thomas; Quart. Journ. Micro. Sci. 59, 1914. 

 0. semilata 15 



Gates & Thomas; Quart. Journ. Micro. Sci. 

 59. 1914. 



0. oblonga 14 



0. albida 14 



Lutz; Science. N. S. 27. 19u8. 



0. rubrinervis 7 



Gates; Bot. Gaz. 46. 1908. 

 0. laevifolia 14 



Gates; Science. N. S. 30. 1909. 



0. brevietylis 14 



Gates; Mutation factor in evolution. 1915. 

 0. nanella 7 



Gates; Science. N.S. 27. 1908. 



>> >> It' 



Lutz; Science. N.S. 27. 1908. 



0. rubricalyx 14 



Gates & Thomas; Quart. Journ. Micro. Sci. 

 59. 1914. 



0. incurvata 15 



Thomas; Mutation factor in evolution. 1915. 



0. biennis ... 7 



Davis; .\nn. Bot. 24. 1910. 

 0. biennis semigigas 21 



Stomps; Biol. Centralbl. 32. 1912. 



0. biennis lata 15 



Oenothera lata rubricalyx 16 



Gates & Thomas; Quart. Journ. Micro. Sci. 

 59. 1914. 



0. biennis.xO. muricata 14 



,, ,, xO. Lamarckiana 14 



0. Lamarckiana xO. biennis 14 



Kknner; P'lora. 107. 1914. 



