350 Literatur 
GATES, R. R., An analytical key to some of the segregates of Oenothera. 
Rept. Missouri Bot. Gard. T. 20 p. 123—137. 1909. 
— The stature and chromosomes of Oenoihera gigas de Vries. 
Arch. f. Zellforschung. T.3 p. 525—552. 1909. 
— The behavior of chromosomes in Oenothera lata X gigas. 
Bot. Gaz. 1909 Bd. 48 p. 179-—199. 
— Apogamy in Oenothera. 
Science NS. Vol. 30 p. 691—694. 1909. 
— Studies of inheritance in the evening primroses. 
Chicago Med. Recorder 1909 pp 6. 
— Further studies on Oenothera Cytology. 
Science T. 29 p. 269. 1909. 
— Chromosome reduction in Oenothera. 
Bot. Gaz. 1910 Vol. 49 Nr. I p. 65—66. 
— Some effects of tropical conditions on the development of certain English Oenotheras. 
Rep. brit Assoc. Advanc. Se. (1909). Winnipeg 1910 p. 677—678. 
— Abnormalities in Oenothera. 
Rept. Missouri bot. Garden Vol. 21 p. 175—184. 1910. 
— The material basis of Mendelian Phenomena. 
Amerie. Natural. Vol. 44 p. 203—213. 1910. 
— The earliest description of Oenothera Lamarckiana. 
Science T. 31 p. 425—426. 1910. 
— Early historico-botanical records on the Oenotheras. Hier eine Liste der älteren 
Literatur über Oenothera. 
Proc. Iowa. Acad. Science. 1910 p. S5—124. 
— Studies on the variability and heritability of pigmentation in Oenothera. 
Zeitschr. f. ind. Abst. u. Vererb. T.4 p. 337—372. 1911. 
— Pollenformation in Oenothera gigas. 
Annals of Botany T.25 1911. 
— Mutation in Oenothera. 
American Natural. Vol. 45, p- 577—606, 1911 
— The mode of chromosome reduction. 
Bot. Gaz. 1911 Bd. 51 p. 321— 344. 
— A contribution to a knowledge of the mutating Oenotheras. 
Transact. Linn. Soc. London. Botany. Vol. VIII. Part. I. 1913. 
GEERTS, J. M., Über die Zahl der Chromosomen von Oenolhera Lamarckiana. 
Ber. d. d. bot. Ges. 1907. Bd. 25 p. 191—19. 
— Bydrage tot de kennis van de cytologische ontwikkeling von Oenothera Lamarckiana. 
K. Akad. d. Wet., Amsterdam 1908 p. 242—248. 
— Beiträge zur Kenntnis der cytologischen Entwickelung von Oenothera Lamarckiana. 
Ber. d. d. bot. Ges. 1908 Bd. XXVIa, S. 608-614. 
— Beiträge zur Kenntnis der Cytologie und der partiellen Sterilität von Oenoihera 
Lamarckiana. . 
Diss. Amsterdam, 1909 pp. 114. 
— Beiträge zur Kenntnis der Cytologie und der partiellen Sterilität von O. Lamarckiana. 
Rec. Travaux Bot. Neerl. V 1909 p. 93—208. 
— Cytologische Untersuchungen einiger Bastarde von Oenothera gigas. 
Ber. d. d. bot. Ges. 1911. Bd. 29 p. 160—166. 
GısLio-Tos, E., Les dernieres experiences du Prof. de Vries et l’eclatante confirmation 
de mes lois rationelles de l’hybridisme. 
Biol. Centralbl. Bd. XXXI Nr. 14 S. 417—423. 
GOLDSCHMIDT, R., Die Merogonie der Oenotherabastarde und die doppeltreziproken 
Bastarde von de VRIES. 
Archiv für Zellf. 9. Band, 2. Heft. 1912. 
Hırr, E. J., Oenolhera Lamarckiana, its early cultivation and description. 
Bot. Gaz. T.51 p. 136—140.. 1911. 
