FLOWER POLLINATION 279 



1589. Huxley, T. H. The Gentians. Notes and queries. J. Linn. Soc, Bot., London, 



xxiv, 1889, pp. 101-24. Ab. : Justs bot. Jahresber., Leipzig, xvii, (1889) 1891, 

 p. 527. 



1590. Ihering, H. v. Zur Frage der Bestaubung von Bliiten durch Schnecken. Kosmos, 



Stuttgart, xvi, 1885, pp. 78-9. Ab. : Bot. Centralbl., Cassel, xxii, 1885, p. 226. 



1591. Iline, Egon. Uber Variabilitat der Pflanzen. Gaea, Leipzig, xviii, 1882, pp. 273-41, 



303-6. 

 See also under Hoffmann, Hermann. 



1592. Ikeda, T. Studies in the physiological functions of antipodal and related pheno- 



mena of fertilization in Liliaceae: (i) Tricyrtis hirta. Bull. Coll. Agric, Tokyo, 

 V, 1902, pp. 41-72, 289-90. Ab. : Bot. Centralbl., Cassel, xc, 1902, pp. 289-90. 



1593. Quelques observations concernant I'oranger. Bull. Agric. Soc, Tokyo, 1903, 



pp. 1-8. Ab. : Bot. Centralbl., Cassel, xciii, 1903, p. 242. 



1594. Double fertilization in Tricyrtis hirta. Bot. Mag., Tokyo, xv, 1901, pp. 207-13, 



233-40. 



1595. Ikeno, S. Preliminary note on the formation of the canal-cell of Cycas revoluta. 



Bot. Mag., Tokyo, x, 1896, pp. 287-9. 



1596. Vorlaufige Mitteilungen iiber die Spermatozoiden bei Cycas revoluta. Bot. 



Centralbl., Cassel, Ixix, 1897, pp. 1-3. 



1597. Untersuchungen iiber die Entwickelung der Geschlechtsorgane und den Vorgang 



der Befruchtung bei Cycas revoluta. Jahrb. wiss. Bot., Beriin, xxxii, 1898, 

 pp. 557-602. 



1598. Zur Kenntniss des sog. ' centrosomenahnlichen ' Korpers im Pollenschlauch der 



Cycadeen. Flora, Marburg, Ixxxv, 1898, pp. 15-18. 



1599. Notes on the spermatozoid and pollen-tube of Ginkgo biloba. Bot. Mag., Tokyo, 



xiii, 1899, pp. 31-4- 



1600. Different views on the centrosomes in the pollen-tube of Cycadaceae and of 



Ginkgo. Op. cit., xiii, 1899, pp. 74-6. 



1601. Contribution k I'etude de la fecondation chez le Ginkgo biloba. Ann. sci. nat. 



(Bot.), Paris, Ser. 8, xiii, 1901, pp. 305-18. 



1602. Blepharoplasts in the vegetable kingdom. Bot. Mag., Tokyo, xvii, 1903, 



pp. 278-90. 



1603. Ikeno, S., and Hirase, S. Spermatozoids in Gymnosperms. Ann. Bot., Oxford, 



xi, 1897, pp. 344-5- 



1604. Ingen, Gilbert von. Bees mutilating flowers. Bot. Gaz., Chicago (111.), xii, 1887, 



p. 229. 



1605. Humble-Bees and Petunia. Op. cit., xii, 1887, p. 89. 



1606. Isaman, L. J. Trichostoma. Amer. J. Sci., Newhaven (Conn.), Ser. 3, xv, 1878, 



p. 224. 



1607. Ishikawa, C. Studies of reproductive elements. (3) Die Entwickelung der 



PoUenkomer von Allium fistulosum L., ein Beitrag zur Chromosomen- 

 reduktion im Pflanzenreiche. J. Coll. Sci., Tokyd, x, 1896, pp. 193-223. 

 Ab. : Bot. Centralbl., Cassel, Ixxi, 1897, pp. 21 1-2. 

 Ixstaedt, Adam. See under Wolff, Christian. 



1608. Jaccard, Paul. :Etudes sur la flore du Vallon de Barberine. Arch. Sci. Phys., 



Geneve, Ser. 4, ii, 1896, pp. 592-3. 



1609. Recherches embryologiques sur I'Ephedra helvetica C. A. Meyer. Inaug.- 



Dissertation, Ziirich, 1894 ; Bui. Soc. Sci. Nat., Lausanne, xxx, 1894, p. 84. 



1610. Jack, John G. The fructification of Juniperus. Bot. Gaz., Chicago (111.), xviii, 



1893, p. 369. 



