326 BIBLIOGRAPHY OF 



2689. Ottavi, E. ImpoUinazione nei fiori della vite. Casale, 1 880. 



2690. Primi saggi di ibridazione arteficiale. Casale, 1889. 



2691. Oudemans, C. A. J. A. Polygamische bloemen bij Thymus Serpyllum. Ned. 



Kruidk. Arch., Nijmegen, Ser. 2, ii, 1873, p. 174. 



2692. Zweierlei Bliiten bei Glechoma hederacea L. Bot. Ztg., Leipzig, xxxi, 1873, 



pp. 469-70. 



2693. Overton, E. Beitrag zur Kenntnis der Entwickelung und Vereinigung der Ge- 



schlechtsprodukte bei LiHum Martagon. Aus d. Festschr. z. Feier d. fiinfzig- 

 jahrigen Doktorjubilaums der Herren Proff. v. Nageli und v. KoUiker. Zurich, 

 l89i,pp. 3-11. 



2694. Overton, James B. Parthenogenesis in Thalictrum purpurascens. Bot. Gaz., 



Chicago (111.), xxxiii, 1902, pp. 363-75. — Ab. : Bot. Centralbl., Cassel, xc^ 

 1902, pp. 25-6. 



2695. Paasch, A. Von den Sinnesorganen der Insekten im Allgemeinen, von Gehor- 



und Geruchsorganen im Besonderen. Arch. Natg., Berlin, xxxix, 1873, 

 pp. 248-75. 



2696. Packard, A. S. The Home of the Bees. Amer. Nat., Boston (Mass.), i, 1868, 



pp. 364-78, 596-606. 



2697. The Parasites of the Honey-Bee. (After Ed. Assmuss.) Op. cit., ii, 1869, 



pp. 195-205- 

 /2698. Moths entrapped by an Asclepiad Plant (Physianthus) and killed by 

 Honey-bees. Op. cit., xiv, 1880, pp. 48-50; Kosmos, Leipzig, vi, 1879-80, 

 p. 225. 



2699. Lamarck, the founder of evolution : his life and work. New York, 1902. 

 See also under Miiller, Herm., and Parona, C. 



2700. Page, C. G. Artificial Fecundation of Flowers. Western Journal and Civilian, 



xi, 1854, p. 408. 

 270L Page, H. E. Flowers attractive to Lepidoptera. Ent. Rec, London, iv, 1893, 

 p. 158. 



2702. P[aley], F. A. Vinca. Gard. Chron., London, 1869, p. 736. 



2703. Palibin, J. R^sultats botaniques du voyage \ I'ocean Glacial sur le bateau brise- 



glace 'Ermak' en 1901. L Observations botanico-gdographiques dans la 

 partie sud-est de I'ile nord de la Nouvelle-Zemble. Bull. Jard. bot., St. Peter- 

 burg, 1903, pp. 62-4. 



2704. Palla, Ed. Uber die Entwickelung und Bedeutung der Zellfaden im Pollen von 



Strelitzia reginae. Ber. D. bot. Ges., Berlin, ix, 1891, pp. 85-90. — Ab.: Justs 

 bot. Jahresber., Leipzig, xix, (1891) 1894, pp. 422-3. 



2705. Pammel, L. H. Color variation in flowers of Delphinium. Bot. Gaz., Chicago 



(III.), xiii, 1888, p. 216. 



2706. On the pollination of Phlomis tuberosa L. and the perforation of flowers. Trans. 



Acad. Sci., St. Louis (Mo.), v, 1888, pp. 241-77. — Ab.: Bot. Centralbl., Cassel, 

 xxxvii, 1889, p. 355. 



2707. A lecture on pollination of flowers. Delivered at the State Horticultural Society, 



January, 1892. Cross- and self-fertilization in plants : a paper read at the 

 meeting of the Eastern Iowa Horticultural Society, December, 1891 ; and The 

 effects of cross-fertilization in plants, read at the meeting of the Northern 

 Horticultural Society, December, 1891. Des Moines, Iowa, 1892. — Ab. : Bot. 

 Centralbl., Cassel, Hi, 1892, pp. 367-8; Justs bot. Jahresber., Leipzig, xix, 

 (1891) 1894, p. 423- 



2708. Noteson the pollination of Cucurbits. Proc. Iowa Acad. Sci., DesMoines,i, 1892, 



p. 79- 



