6 Blüten biologische Litteratur. 



2976. Cook, Melville Thurston, Development of the embryo-sac and embryo of 

 Castalia odorata andNymphaea advena. Bullet. Torrey Bot. Club, XXIX. 

 (1902). p. 211—213. — Ref.: Bot. Centralbl. Bd. 90. (1902). p. 6. 



2977. — Polyembryony in Ginkgo. Bot. Gaz. XXXIV. 1902. p. 64—65. Ref.: Bot. 

 Centralbl. Bd. 90. (1902). p. 452. 



2978. Correa de Mello, M., Notes on Brazilian Planta from Neighbourhood of Cam- 

 pines. Journ. Linn. Soc. Bot. XI. 



2979. Coulter, John M., Aster Novae Angliae L. Bot. Gaz. I. 1876. p. 2. 



2980. — Üichogamy in Rhododendron maximum. Bot. Gaz. IV. 1879. p. 192. 



2981. — Some Notes on Physostegia virginiana. Bot. Gaz. VII. 1882. p. 111 

 -112. 



2982. — Manual of the Pbanerogams and Pteridophytes of Western Texas. Contrib. 

 U.S. National Herbar. Vol. 11. Nr. 1. 1891. p. 1 — 152. [Aquilegia longissima.] 



2983. — The Future of Systematic Botanj'. Vice -President Address Washington. 

 19. Aug. 1891. Bot. Gaz. XVI. 1891. p. 243-2-54. 



2984. — Cross-fertilization and Heterospory. Bull. Buffalo Bot. Soc. 1896. Extr. Bot. 

 Gaz. XXII. 1896. p. 251. — Ref.: B. Jb. 1896. I. p. 127-128. 



2985. — The origin of the leafy sporophyte. Bot. Gaz. XXVIII. 1899. Nr. 1. p. 46—59. 



2986. — The origin of Gymnosperms and the seed habit. Bot. Gaz. V^ol. XXVI. 

 1898. p. 153-168. - Ref.: Bot. Centralbl. 78. Bd. 1899. p. 372—73. 



2987. — Parthenogenesis in Seed Plauts. Meet. Bot. Central. States. Science. N. S. 

 Vol. 15. (1902j. p. 462-463. 



2988. Coulter, J. M., and Rose, J. N., Monograph of the North American Um belli- 

 ferae, Contrib. U. S. National Herbarium. VIT. 1900. p. 1-256. — Ref.: Bot. 

 Centralbl. Bd. 88. (1901). p. 83. 



2989. Crüger, H., Westindische Fragmente. Botan. Zeit. 1854. p. 7—16 if. [Laub- 

 fall und Blühen von Erythrina.] 



2990. Dalla Torre, K. W. v., Die Duftapparate der Schmetterlinge. Kosmos. XVII. 

 1885. S. 354—364, S. 410—423. [Zusammenfassender Bericht.] 



2991. Davenport, G. E., Polygamous Flowers in Populus. Bot. Gaz. III. 1878. 

 p. 51. 



2992. Davenport, C. B., The advance of biology in 1895. Amer. Natur. XXXI. (1897). 

 p. 785. — 1896: Ibid. XXXII (1898). p. 867. - 1897: Ibid. XXXIV. (1900). pag. 489. 



2993. Davis, Claytonia again. Asa Gray Bull. 1894. Nr. 6, p. 33. — Ref.: B. Jb. 

 1896. I p. 128. 



2994. Davis, Charl. A., Trillium grandi flor um , its variations normal and terato- 

 logical. Proc. Amer. Assoc. Advanc. Sc. 1897. p. 271—272. 



2995. Day, David F., Parthenogenesis in Thalictr um Fondleri. Bull. Buffalo Bot. 

 Soc. 1896. Extr. Bot. Gazette. Vol. XXII. 1896. p. 241. 



2996. De Bary, A., Prosopanche Burmeisteri. Abb. Naturf. Gesellsch. Halle. 

 X. (1868>. [Käfer in der Blüte.] 



2997. Delpino, F., Studi di geographia botanica. Bologna 1898. [Campanula 

 Vidalii.] 



2998. — Comparazione biologica di due flore estreme arctica and antarctica. R. Acc. 

 Sei. Bologna. Sess. 22. April 1900. 



Diels, L., 8. Nr. 3012. 



2999. Ducke, Adolf, Beobachtungen über Blütenbesuch, Erscheinungszeit etc. der bei 

 Parä vorkommenden Bienen. I Zeitschr. f. systematische Hymenopterologie und 

 und Dipterologie. 1901. S. 1—8; 49—67; II. Alle. Zeitschr. f. Entoraol. Bd. VII. 

 1902. S. 321-326; S. 360—368; S. 400—405; S. 417—422. 



3000. Duggar, B. M., On the development of the poUen grain and the embryo -sac in 

 Bignonia venusta. Bull. Torrey Bot. Club. XXVI. 1899. 



