242 Botanisches Centralblatt. 



III. Morphologie, Befruchtung, Entwicklungsgeschichte, Teratologie, 



Cytologie. 



Kupfer, E. M. 1903. Remarks on regeneration in the cuttings of plants. 



(Torreya. 3. p. 95 — 96.) [An abstract of a paper read before the 



Torrey Botanical Club on May 12 th . — Trelease.l 

 Laiblinger, G. 1903. Zur Berichtigung in Sachen der Plasmodesmen- 



frage. (Czernowitz. 8°. 1903. 16 pp.) 

 Matte. 1903. Le meriphyte chez les Cycadacees. (C.-R. Acad. d. Sc. 



Paris. T. 137. 6 juillet.) 

 Müller, Rudolf. 1903. Ueber die vermeintlichen Oxalkrystalle im Safran. 



(Zeitschr. allg. Oest. Apoth.-Ver. Jahrg. 41. p. 823—826.) 

 Pantanelli, E. 1903. Studi sull' albinismo nel Regno Vegetale. (Mal- 



pighia. 16. p. 487—518.) 

 Schumann, K. 1903. Wachsthumsverhältnisse einiger Kakteen aus Para- 

 guay. (Mon. Schrift f. Kakteenk. 1903. p. 88—91. Mit Abb.) 

 Villard, Jules. 1903. Contribution ä Tetude cytologique des Zoochlorelles. 



(C. R. Ac. Sc. Paris. 136. p. 1283—1285.) 

 Wilson, E. B. 1903. Experiments on Cleavage and localization in the 



Nemertine — egg. [With 11 fig.l (Roux's Arch. f. Entwicklungsmech. 



16. p. 411—461.) 

 Worsley, A. 1903. Bulb Extension in Amaryllids. (The Journ. of the R. 



Hort. Soc. 1903. p. 956—958.) 

 Worsley, A. 1903. Germination in Amaryllids. (The Journ. of the R Hort. 



Soc. 1903. p. 852-857.) 



IV. Biologie. 



(Vacat.) 



V. Varietäten, Descendenz, Hybriden. 



Lewton, Brain. 1903. Hybrid Sugarcanes. [The Agricultural News. 



9 may 1903.] (Abstract in Card. Chron. 34. p. 34—35.) 

 Mayer, A. 1903. Effects of Natural Selection and Race Tendency upon 



Colour Patterns of Lepidoptera. London 1903. 8°. With 2 Plates. 



4 sh. 

 Myers, C. S. 1903. The Origin of Variation. (Nature. Vol. 68. No. 175S. 



p. 224.) 

 Reeve, H. C. 1903. Some notes on heredity and evolution. (Annual 



Report and Trans, of North Staffordshire Field Club. 1902—1903 



Vol. 37. p 67 — 75.) 

 Schaffner, J. H. 1902 — 1903. Laboratory outlines for the elementary study 



of plant structures and functions from the Standpoint of evolution. 



(Journal of Applied Microscopy and Laboratory Methods. Vol. 5. 2. 



p. 1639—1645. February 1902. 3. p. 1698—1700. March 1902. 5. 



p. 1798—1799. May 1902. 6. p. 1852—1854. June 1902. 7. p. 1896 



— 1897. July 1902. 8. p. 1934—1935. August 1902. 10. p. 2013—2014. 



October 1902. 11. p. 2055—2056. November 1902. 12. g. 2093-2094. 



December 1902. Vol. 6. 1. p. 2134—2135. January 1903. 2. p. 2185 



—2186. February 1903. 3. p. 2237—2239. March 1903. 4. p. 2275 



—2277. April 1903.) 

 Schumann, K. 1903. Neuere Anschauungen über die Entstehung der 



Pflanzenarten. (Gartenflora. 1903. p. 376—381. [Schluss folgt.]) 

 Vernon, H. M. 1903. Variation in animals and plants. 8". 415 pp. New 



York, Henry Holt <& Co. 

 Vierhapper, F. 1903. Neue Pflanzenhybriden. (4 Textfig., 1 Taf.) (Oesterr. 



Bot. Zschr. 53. p. 225-231. [Schluss folgt.]) 

 Vries, H. de. 1903. Eine neue Tomate. („Die techn. naturw. Zeit", Bei- 

 lage zu No. 197 der Wiener Tageszeitung „Die Zeit". 17 April 1903.) 

 Vries, Hugo de. 1903. Sur la relation entre le caractere des hybrides et 



ceux de leurs parents. (Revue Generale de Botanique. 1903. p. 241 



—253.) 

 Wells, W. E. 1903. Adaptability in Ferns. (Ohio Natur. IM. p. 358 



—359.) 



