2709. 
2710. 
2711. 
2712. 
2713. 
2714. 
2715. 
2716. 
2717. 
2718. 
2719. 
2720. 
2721, 
2722. 
2723. 
2724. 
2725. 
2726. 
2727, 
2728. 
2729, 
2730. 
FLOWER POLLINATION 327 
Crossing of Cucurbita. Bull. Torrey Bot. Cl., New York, xx, 1893, p. 358-9. 
Results of crossing Cucurbits. Bull. Agric. Exper. Sta., Ames (Iowa), No. 23, 
1894, pp. 906-17. 
Pammel, L. H., and Beach, Alice M. Pollination of Cucurbits. Proc. Iowa 
Acad. Sci., Des Moines, ii, 1894, pp. 146-52. 
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. 
Paque, E. Note sur les mouvements des pollinies chez les Orchidées. Bul. soc. 
roy. bot. Belg., Bruxelles, xxiv, 1885, 2° partie, pp. 6-8. 
Deuxiéme note sur les mouvements des pollinies chez les Orchidées. Op. cit., 
xxiv, 1885, 2° partie, pp. 89-93. 
Parish, C.S. Dimorphism of Flowers of Cymbidium tigrinum, J. Linn. Soc., Bot. 
London, i, 1869, pp. 505-6. 
Plarish], C. S. The Fecundation of Orchids. Gard. Chron., London, 1867, 
pp. 682-3. 
Parkmann, Francis. The Hybridisation of Lilies. Bull. Bussey Inst., Cambridge 
(Mass.), ii, Pt. 3, 1878, pp. 161-5 ; Gard. Chron., London, New Ser., ix, 1878, 
p- 19. 
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. 
Pasquale, F. Sulla impollinazione nel Pentstemon gentianoides Zznd/. 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. 
Pater, B. A viragok beporoz4ia és a porzdk munkafelorzt4Sa. Termt. Kozl., 
Budapest, xvi, 1884, p. 470. 
Paterson, R.H. On the Prevention of Self-fertilisation of Plants. Trans. Soc. 
Field Nat., Glasgow, iv, 1876. 
Patten, W. On the eyes of Molluscs and Arthropods. Zool. Anz., Leipzig, x, 
1887, pp. 256-61. 
Is the ommatidium a hair-bearing sense-bud? Anat. Anzeiger, Jena, v, 1890, 
PP- 353-9: 
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. 
Pax, F. Monographie der Gattung Acer. (6) Die Geschlechtsverteilung und 
Befruchtung. Bot. Jahrb., Leipzig, vi, 1885, pp. 287-374. 
Nachtrage und Erganzungen zu der Monographie der Gattung Acer. Op. cit., 
xi, 1889-90, pp. 72-83. 
Iridaceae. Engler und Prantl, d. nat. Pflanzenfam. II, 5, p. 140.—Ab.: Justs 
bot. Jahresber., Leipzig, xvi, (1888) 1890, p. 554. 
Amaryllidaceae. Op. cit., II, 5, pp. 100-1.—Ab.: Justs bot. Jahresber., Leipzig, 
xvi, (1888) 1890, pp. 548-9. 
Haemodoraceae. Op. cit., II, 5, pp. 92-6.—Ab.: Justs bot. Jahresber., Leipzig. 
xvi, (1888) 1890, p. 554. 
Cyperaceae. Op. cit., II, 2, p. 103.—Ab.: Justs bot. Jahresber., Leipzig, xvi, 
(1888) 1890, p. 552. 
x 
