van Overeem, Formen m. abweichend. Chromosomenzahl b. Oenothera. 63 



(207a) Haller, Albert von, Historia stirpium indigenarum Helvetiae inchoata. 

 3 Vol. 1768. (S.) 



(208) Halsted, B. D., Plants and dry weather. (Bullet. Bot. Departm. of 



the State Agric. College, Arnes, Iowa. 1888. p. 13—18.) (Ph.) 



(209) — Preliminary list of weeds of Iowa. (Bullet. Bot. Departm. of the State 



Agric. College, Arnes, Iowa. 1888. p. 34—54.) (G.) 



(210) — Observations upon Pollen Measurement. (Bullet, of the Torrey Bot. 



Club. XVI. p. 135—136.) (C.) 



(211) — A Century of American Weed Seeds. (Bullet, of the Torrey Bot. Club. 



XX. 1893. p. 51—55.) (G.) 



(212) Hamilton, A. G, On the effect which settlement in Australia has 



produced upon indigenous Vegetation. (Journ. and Proc. of the Royal 

 Society of New South Wales. XXVI. 1892. p. 78—239.) (G.) 



(213) H a n c e , Robert T., An attempt, to modify the germ plasm of Oenothera 



through the germinating seed. (Americ. Naturalist. LI. 1917. 

 p. 567 —572.) (Ph.) 



(214) — Variations in the number of somatic chromosomes in Oenothera scin- 



tillans de Vries. (Genetics. III. p. 225—275. 5 Fig. 7 pl.) (C.) 



(215) Hansgirg, x\nton, Floristisches aus der Königgrätzer Gegend in 



Böhmen. (Österr. bot. Zeitschr. XXX. 1880. S. 394—397.) (G.) 



(216) - — Über die phyUobiologischen Typen einiger Phanerogamen-Familien. 



(Sitzungsber. böhm. Ges. d. Wissensch. XXIV 1901. 38 S.) (B.) 



(217) Harris, J. A., A new Theory of the Origin of Species. (The Open Court. 



XVIII. 1904. p. 193—202.) 



(218) — The Search for Mutations. (Americ. Naturalist. XLI. 1907. p. 470— 473.) 



(219) — The experimental Data of the Mutation Theory Experiments with 



Oenothera. (The Monist. XVI. 1906. p. 254—293.) 



(220) — Cytology and Mutation. (Americ. Naturalist. XLI. 1907. p. 403—404.) 



(221) Heinsius, H. W., Eenige waarnemingen en beschouwingen over de 



bestuiving van bloemen der Ned. Flora door insecten. (Bot. Jaarboek 

 Dodonaea. IV. 1892. p. 54—144. 1 pl.) (B.) 



(222) H e 1 1 w i g , Fr., Über den Ursprung der Ackerunkräuter und der Ruderal- 



flora Deutschlands. (Englers Jahrb. VII. S. 333—434.) (G.) 



(223) H e n s 1 o w , Rev. George, On the Selffertilisation of Plants. (Trans- 



actions of the Linn. Soc. London. Ser. 2. Bot. I. p. 317 — 398. 

 PI. XLIV.) (B.) 



(224) — The Mutation Theory: A Criticism. (Journ. Roy. Hort. Soc. XXXVI. 



1910. p. 144—148.) (E.) 



(225) — The Mutation Theory: A Criticism and an Appreciation. (Journ. Roy. 



Hort. Soc. XXXVII. 1911. p. 175—181.) 



(226) Heribert-Nilsson, N., Oenothera gigas fromgängen som mutation 



i Sverige. (Bot. Notiser. VI. 1909. p. 97—99.1 (E.) 



(227) — Pollenslangarnas Tillväxthastighet hos Oenothera Lamarckiana og gigas. 



(Bot. Notiser. VIII. 1911. p. 19—28.) (E.) 



(228) — Die Variabilität der Oenothera Lamarckiana und das Problem der 



Mutation. (Zeitschr. f. ind. Abst.- u. Vererb. -Lehre. VIII. 1912. S. 89 

 bis 231. Taf. 3—5. 36 Fig.) (E.) 



(229) — Oenothera-Problemet. (Svensk. Bot. Tidsskr. VII. 1913. p. 1—16.) (E.) 



(230) — Eliminirung der positiven Homozygoten bezüglich der Rotnervigkeit 



bei Oenothera Lamarckiana. (Bot. Notiser. 1915. p. 23 — 25.) (E.) 



