FLOWER POLLINATION 305 



Malmeana, and C. Tweediana are visited by humming-birds in Paraguay, 

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2171. Mangin, liouis. Observations sur le ddveloppement du pollen. Bull. soc. bot., 



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2172. Observations sur la membrane du grain de pollen mfir. Op. cit., Ser. 2, xi, 1889, 



pp. 274-83. 



2173. Maan, B. Piokmann. Xylocopa perforating a corolla-tube. Psyche, Cambridge 



(Mass.), iii, (1880-2) 1886, p. 298. 



2174. Mann, Gust. On the mechanism for fertilization in the flowers of Bolbophyllum 



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2175. Marohand, Ernest. Note sur la fleur des Crucifferes k propos d'une anomalie 



florale chez le Cheiranthus Cheiri L. Bui. soc. sci. nat., Nantes, vi, 1896, 

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2176. Mards, Henry. De la f^condation des fleurs st^riles de la vigne. M^m. sec. 



sci. Acad. sci. let., Montpellier, vi, 1864-66, pp. 40-2. 



2177. Marda, H., and Planohon, J. E. Sur la floraison et la fructification de la vigne. 



C.-R. Acad, sci., Paris, Ixiv, 1867, pp. 254-9. Eng. translation in Ann. Mag. 

 Nat. Hist., London, Ser. 3, xix, 1867, pp. 220-4. 



2178. Marlon, A. P. Note sur la floraison du Dracaena Goldieana observ6e dans les 



serres de M. G. Renouard k Marseilles. Marseilles, 1881.— Ab. : Bot. 

 Centralbl., Cassel, ix, 1882, p. 178. 



2179. Marloth, B. The fertilization of ' Disa uniflora' .S^r^. by Insects. Trans. S. Afric. 



Phil. Soc, Cape Town, viii, 1890-5, pp. xciii-xcv. 



2180. Die Omithophilie in der Flora Sudafrikas. Ber. D. bot. Ges., Beriin, xix, 1901, 



pp. 176-9.— Ab.: Bot. Centralbl., Cassel, Ixxxvii, 1901, p. 145. 



2181. Some recent Observations on the Biology of Roridula. Ann. Bot., Oxford, xvii, 



1903, pp. 151-9. — Ab. : Bot. Centralbl., Cassel, xcii, 1903, p. 531. 



2182. Marquard, E. D. The wild bees of the Land's End district. Trans. Nat. Hist. 



Soc, Penzance, New Ser., i, 1880-4, pp. 101-12. 



2183. The aculeate Hymenoptera of the Land's End district. Op. cit., i, 1880-4, 



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2184. Marshall, "Wm. Fertilization of British Orchids by Insect Agency. Gard. 



Chron., London, 1861, p. 72. 



2185. Fertilization by^Moths. [Platanthera chlorantha.] Nature, London, vi, 1872, p.393. 

 See also under liUbbock, Sir John. 



2186. Martelli, IT. Dimorfismo florale dialcune specie diAesculus. NuovoGiom.bot.ital., 



Firenze, xx, 1888, pp. 401-4. — Ab. : Bot. Centralbl., Cassel, xxxvi, 1888, p. 264. 



2187. Osservazioni suU' Arum pictum ed i suoi pronubi. Op. cit., xxii, 1890, p. 129. — 



Ab. : Justs bot. Jahresber., Leipzig, xviii, (1890) 1892, pp. 501-2. 



2188. Martin, G. W. Development of the flowers and embryo-sac in Aster and Solidago. 



Bot. Gaz., Chicago (111.), xvii, 1892, pp. 406-11. 



2189. Marttndale, Isaac C. Cleistogamous Flowers of Danthonia. Amer. Nat., 



Boston (Mass.), vii, 1878, p. 388. 



2190. Sexual Variation in Castanea Americana Michx. Proc. Acad. Nat. Sci., Phila- 



delphia (Pa.), (1880) 1881, pp. 351-3. 



2191. Mas6, P. Atto di unione tra le piante maschili delle vaUi del Tartaro e le 



piante femminili del lago superiore di Mantova delle Stratiotes aloides L. — 

 Atti Soc. ital. sc. nat., Milano, xx, 1877, pp. 49-53. 



2192. Mason, J. Flowers attractive to Moths. Ent. Rec, London, ii, 1891, pp. 64-5. 

 2198. Massalongo, C. A proposito dei fiori di Valeriana tripteris L. Boll. Soc. bot. 



ital., Firenze, 1896, pp. 75-6. — Ab. : Bot. Centralbl., Cassel, Ixviii, 1896, p. 34. 



