FLOWER POLLINATION 



327 



2709. Crossing of Cucurbita. Bull. Torrey Bot. CI., New York, xx, 1893, p. 358-9. 



2710. Results of crossing Cucurbits. Bull. Agric. Exper. Sta., Ames (Iowa), No. 23, 



1894, pp. 906-17. 



2711. Pammel, L. H., and Eeach, Alice M. Pollination of Cucurbits. Proc. Iowa 



Acad. Sci., Des Moines, ii, 1894, pp. 146-52, 



2712. Pammel, L. H. ; Burnip, J. R. ; and Thomas, H. Some studies on the Seeds 



and Fruits of Berberidaceae. Proc. Iowa Acad. Sci., Des Moines, v, (1897) 

 1898, pp. 209-23. Ab. : Justs bot.Jahresber., Leipzig, xxvi, (1898) 1900, p. 418. 



2713. Paque, E. Note sur les mouvements des pollinies chez les Orchidees. Bui. soc. 



roy. bot. Belg., Bruxelles, xxiv, 1885, 2 partie, pp. 6-8. 



2714. Deuxi^me note sur les mouvements des pollinies chez les Orchidees. Op. cit., 



xxiv, 1885, z^ partie, pp. 89-93. 



2715. Parish, C. S. Dimorphism of Flowers of Cymbidium tigrinum. J. Linn. Soc, Bot., 



London, i, 1869, pp. 505-6. 



2716. P[arish], C. S. The Fecundation of Orchids. Card, Chron., London, 1867, 



pp. 682-3. 



2717. Parkmann, Francis. The Hybridisation of Lilies. Bull. Bussey Inst., Cambridge 



(Mass.), ii, Pt. 3, 1878, pp. 161-5 ; Card. Chron., London, New Sen, ix, 1878, 

 p. 19. 



2718. Parona, C. II Fisianto, le farfalle e le api. Milano, 1882, Ab.: Bot. Centralbl., 



Cassel, xiv, 1883, p. 73. Cf. Packard, Amer. Nat., Boston (Mass.), xiv, 1880, 

 p. 48, and Kosmos, Leipzig, vi, 1879-80, p. 225. 



2719. Pasquale, F. Sulla impollinazione nel Pentstemon gentianoides Lhidl. Atti 



congr. botan. internat. Genova, (1892) 1893, pp. 553-60. Ab.: Bot. Centralbl., 

 Cassel, Beiheft. iv, 1894, p. 22 ; Justs bot. Jahresber., Leipzig, xxi, (1893) 1896, 

 pp. 361-2. 

 Passow, A. See under Lubbock, Sir John. 



2720. Pater, B. A viragok beporozdsa es a porzok munkafelorztdSa. Termt. Kozl., 



Budapest, xvi, 1884, p. 470. 



2721. Paterson, R. H. On the Prevention of Self-fertihsation of Plants. Trans. Soc. 



Field Nat., Glasgow, iv, 1876. 



2722. Patten, W. On the eyes of Molluscs and Arthropods. Zool. Anz., Leipzig, x, 



1887, pp. 256-61. 



2723. Is the ommatidium a hair-bearing sense-bud? Anat. Anzeiger, Jena, v, 1890, 



PP- 353-9- 



2724. Patton, W. H. Observations on the genus Macropis. [Flower-visits to Steiro- 



nema.] Amer. J. Sci., New Haven (Conn.), iii, 1879, pp. 211-74. The 

 Fertilisation of the Tulip. Amer. Entomol., Brooklyn, iii, 1880, p. 145. 

 Description of the species of Macropis. Ent. Monthly Mag., London, xvii, 

 1880-1, pp. 31-5. 



2725. Pax, F. Monographic der Gattung Acer. (6) Die Geschlechtsverteilung und 



Befruchtung. Bot. Jahrb., Leipzig, vi, 1885, pp. 287-374. 



2726. Nachtrage und Erganzungen zu der Monographic der Gattung Acer. Op. cit., 



xi, 1889-90, pp. 72-83. 



2727. Iridaceae. Engler und Prantl, d. nat. Pflanzenfam. II, 5, p. 140. Ab.: Justs 



bot. Jahresber., Leipzig, xvi, (1888) 1890, p. 554. 



2728. Amaryllidaceae. Op. cit., II, 5, pp. loo-i, Ab.: Justs bot. Jahresber., Leipzig, 



xvi, (1888) 1890, pp. 548-9. 



2729. Haemodoraceae. Op. cit., II, 5, pp. 92-6. Ab. : Justs bot. Jahresber., Leipzig, 



xvi, (1888) 1890, p. 554. 

 2780. Cyperaceae. Op. cit., II, 2, p. 103. Ab.: Justs bot. Jahresber., Leipzig, xvi, 

 (1888) 1890, p, 552. 



