Neue Litteratur. 3 



Cook, 0. T. 1916. Morphology and evolution of leaves. (Journ. 



Washington Ac. Sc. VI. p. 537—547.) 

 Cosens, A. and T. A. Sinclair. 1916. Aeriferous tissue in willow galls. 



(Bot. Gaz. LXII. p. 210—225. 3 pl. 5 f.) 

 Daniel, L. 1916. Cultures experimentales au bord de la mer. (C. R. 



Ac. Sc. Paris. CLXIII. p. 483—486.) 

 Exo, A. 1916. Poa alpina und die Erscheinung der Viviparie bei 



ihr. [Diss. Bonn]. (Bonn, H. Ludwig. 1916. 8°. 54 pp. ill.) 

 Goeldi, E. 1916. Ueber das Geschlecht im Tier- und Pflanzenreich. 



(Mitt. natf. Ges. Bern. 1915 [1916]. p. 140—203.) 

 Guiliiermond, A, 1916. Sur une methode permettant de colorer dans 



la cellule v£g6tale les grains d'amidon au sein des mitochondries. 



(C. R. Soc. Biol. Paris. LXXIX. p. 806—809. ill.) 

 Hamilton, A. A. 1916. The instability of Leaf-morphology in its re- 



lation to Taxonomic Botany. (Proc. Linn. Soc. N. S. Wales. XLI. 



p. 152—179.) 

 Holmgren, I. 1916. Apogamie in der Gattung Eupatorium. [V. M.]. 



(Svensk bot. Tidskr. X. p. 263—268. 3 f.) 

 Kempton, J. H. 1916. Lobed leaves in maize. (Journ. of Heredity. 



VII. p. 508—510. 1 f.) 

 Oelkers, F. 1913. Ueber die Fruchtformen unserer Eichen. (Jahrber. 



niedersächs. bot. Ver. Hannover. IV— V. p. XXI— XXII.) 



V. Varietäten, Descendenz, Hybriden. 

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Anonymus. 1916. Iris breeding. (Journ. of Heredity. VII. p. 502—503.) 



Anonymus. 1916. Is the hybrid origin of the loganberry a myth? 

 (Journ. of Heredity. VII. p. 504—505. 1 f.) 



Atkinson, G. F. 1916. Sorting and blending of „unit characters" in 

 the Zygote of Oenothera with twin and triplet hybrids in the first 

 generation. (Zschr. ind. Abst.- u. Vererb. -Lehre. XVI. p. 193—238.) 



Baco, F. 1916. Variations d'un hybride sexuel de vigne par sa 

 greffe sur Tun de ses procreateurs. (C. R. Ac. Sc. Paris. CLXIII. 

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Coulter, J. M. 1916. Inheritance through spores. (Proc. amer. philos. 

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Davis, B. M. 1916. Hybrids of Oenothera biennis and Oenothera 

 franciscana in the first and second generations. (Genetics. I. p. 

 197—251. 26 f.) 



Davis, B. M. 1916. Oenothera neo-lamarckiana, hybrid of O. fran- 

 ciscana Bartlett X O- biennis Linnaeus. (Amer. Nat. L. p. 688 — 696.) 



Dennert, E. 1916. Not und Mangel als Faktoren der Entwicklung, 

 eine biologische Studie mit besonderer Berücksichtigung des 

 Krieges. Naturw. Zeitfragen Heft 15. (Naturw. Verlag [Abt. d. 

 Keplerbundes], Godesberg bei Bonn. 1916. 8°. 27 pp. Preis 50 Pf.) 



Frost, H. B. 1916. Mutation in Matthiola annua. a „mendelizing" 

 species. (Amer. Journ. Bot. III. p. 377—383. 3 f.) 



Gates, R. R. and T. H. Goodspeed. 1916. Pollen sterility in relation to 

 crossing. (Science. N. S. XLIII. p. 859—861.) 



Goodspeed, T. H. and A. H. Ayres. 1916. On the partial sterility of 

 Nicotiana hybrids made with N. sylvestris as a parent. II. (Univ. 

 California Public. Bot. V. p. 273-292. 1 pl.) 



Haase-Bessell, G. 1916. Digitalisstudien. I. (Zschr. ind. Abst.- u. Ver- 

 erb -Lehre. XVI. p. 293—314. 6 F. 4 T.) 



Harris, J. A. 1916. A quantitative study of the factors influencing 

 the weight of the bean seed. IL Correlation between number of 



