299 



R. Ruggles Gates. 



LITERATURE REFERRED TO. 



21. 



" Twin liybi-ids {lata and velutina) and their anatomical 



distinctions." Bot. Gaz., Vol. 50, 1910, pp. 193-201. 

 " Systematic studies on CE«oW(cra. II. The delimitation 



of CEnothei-a biennis L." Rhodora, Vol. 15, 1913, pn 



48-53, 2 plates. 

 " Systematic studies on (Enothera. III. New species 



from Ithaca, New York." Rhodora, Vol. 15, 1913 



pp. 81-85. 

 ' Cytological studies on CEHOi/wcd. I. Pollen development 



of O. grandiflora." Ann. Bot., Vol. 23, 1909, pp. 551- 



571, plates 41-42. 

 Cytological studies on (Enothera. II. The reduction 



divisions of 0. biennis." Ibid., Vol. 24, 1910, pp. 631- 



651, plates 52-53. 

 Cytological studies on (Enothera. III. A comparison of 



the reduction divisions of 0. Lamarckiana and 



gigas." Ibid., Vol. 25, 1911, pp. 941-974, plates 71-73." 

 Genetical studies on CE«oWwra. I. Notes on the behaviour 



of certain hybrids of CEnotheraia the first generation." 



Anier. Naturalist, Vol. 44, 1910, pp. 108-115. 

 Genetical studies on (Enothera. II. Some hybrids of 0. 



biennis and 0. grandiflora that fesemblsO. Lamarckiana ' ' 



Ibid., Vol. 45, 1911, pp. 193-233, 18 6gs. 

 Genetical studies on CEMo;/iera. III. Further hybrids of 0. 



biennis and O. grandiflora that resemble 0. Lamarckiana ' ' 



Ibid., Vol. 46, 1912, pp. 377-427, 15 figs. 

 Was Lamarck's evening primrose ((Enothera Lamarckiana 



Seringe) a form of (Enothera grandiflora Solander ? " 



Bull. Torrey Bot. Club, Vol. 39, 1912, pp. 519-533, 3 



plates. 

 The problem of the origin of (Enothera Lamarckiana De 



Vries." New Phytologist, Vol. 12, 19)3, no. 233- 



241. 1 Fig. 

 ' Ueber doppeltreziproke Bastarde von (Eenothera biennis 



L. und 0. muricata L." Biol. Centralbl., Bd. 31, 



1911, pp. 97-104. 

 Die Mutationen in der Erblichkeitslehre." Berlin, 



1912, 42 pp. 

 and Bartlett, H. H. "The evening primroses of Dixie 



Landing, Alabama." Science, N.S., Vol. 36, 1912, 



pp. 599-621. 

 A study of reduction in (Enothera rttbrinervis." Bot. 



•Gazette, Vol. 46, 1908, pp. 1-34, pis. 1-3. 

 Early historico-botanical records of the CEnotheras." 



Proc. Iowa, Acad. Sci., 1910 (published 1911), pp. 



85-124, 6 plates. 

 Mutation in (Enothera." Amer. Naturalist, Vol. 45, 1911, 



pp. 577-606. 

 ' Pollen formation in (Enothera gigas." Ann. Bot., Vol. 



25, 1911, pp. 909-940, 4 plates. 

 Somatic mitoses in (Enothera." Ann. Bot., Vol. 26, 



1912, pp. 993-1010, pi. 1. 

 Parallel mutations in (Enothera biennis." Nature, Vol. 89, 



1912, pp. 659-660. 

 A new (Enothera." Rhodora, Vol. 15, 1913, pp. 45-48, 2 



plates. 

 "Tetraploid mutants and chromosome mechanisms." 



Biol. Centralbl., Bd. 33, 1913, pp. 92-99, 113-150, 7 



figs. 

 A contribution to a knowledge of the mutating CEno- 

 theras." Trans. Linn. Soc. Lond., Ser. 2, Vol. 8, 



Pt. 1, 1913, pp. 1-67, 6 plates. 



