16 ßlütenbiologische Litteratur. 



3202. Lovell, John H., The colours of Northern polypetalous flowers. Amer. 

 Nat. XXXVI. (1902) p. 203—240. 



3203. Lucas, F. C, Variation in the number of ray-flowers in the white daisy. Amer. 

 Nat. XXXII. 1898. p. 509-511. — (Chrysanthemum Ijeucanthemum.) 



3204. Lucas, Freder. Aug., On the Structure of the Tongue in Humming-Birds. 

 Proc. U. St. Nat. Museum. XIV. 1891. p. 169—172. 



3205. — The Food of Humming-Birds. Auk. X. Octob. 1898. p. 311—315. [28 Exem- 

 plare enthielten, mit Ausnahme von 2, Insektenreste.] 



3206. — The Tongue of Birds. Smithson. Report U. S. Nat. Museum. 1895. p. 

 1003 — 1019. — (Beschreibung und Abbildung der Kolibrizunge.) 



3207. Ludwig, F., On Self-sterility. Journ. R. Hortic. Soc. Vol. XXIV. 1900. p. 214 

 — 217. -- (Acorus Calamus in Europa und Amerika.) 



3208. Lyon, H. L. , Observalions on the embryogeny of Nelumbo. Minnesota Bot. 

 Studies. IL 1901. p. 643-655. — Ref.: Bot. Centr. 90. Bd. (1902). p. 586. 



3209. Mc. Cluer, Corn crossing. III. Agr. Exp. Stat. Bullet. N. 21. (1892). — (Xenien 

 an Zea Mays.) 



3210. Mac Connel, D. R. , The blossoming of the Eucalyptus and its influence 

 on the product of the honeybee, from a commercial Standpoint. Proc. Trans. 

 Queensland Brauch. Roy. Geogr. Soc. Australas. 11. sess. 1895 — 1896. Brisbane 1896. 

 p. 39-45. — Ref.: ß. Jb. 1897. L p. 26. 



3211. Mac Dougal, D. T., Propagation of Lysimachia terrestris (L.). B. S. P. 

 Bull, of the New York Botan. Garden. Vol. IL 1901. N. 6. p. 82-89. 



3212. Mac Farlane, J. Muirhead, Lectures at Marine Biological Laboratory at 

 Woods Hall. 1893. 



3213. — Observations on some Hybrids between Drosera filiformis and inter- 

 media. Journ. Roy. Hortic. Soc. Vol. XXIV. 1900. p. 241-255. 



3214. — Camping in the haunts of the Venus fly-trap. Trans. Edinburgh. Field 

 Nat. Micr. Soc. 1901. p. 219—222. (Dionaea muscipula.) 



3215. Mc. Gregor, Richard C, Salvia coccinea, an ornithophilous plant. 

 Americ. Naturalist. Vol. XXXIÜ. 1899. N. 396. p. 953-955. — Ref. : B. Jb. 1899. 

 IL p. 458. 



8216. Mc. Kenney, Randolph E. B., Observations on the developnient of some em- 

 bryo-sacs. Publ. of the Univers, of Pennsylvania. New Series N. V. Contribut. 

 from the Botanic. Laborat. Vol. IL 1898. N. 1. p. 80-86. 



3217. Mac Lachlan, R., W^hy Araujia albens does not catch the Codlin-Moth. 

 Gard. Chron. (3). Vol. 18. 1895. p. 246. — Ref.: B. Jb. 1896. I. p. 144. [Car- 

 pocapsa pomonella L.] 



3218. Macloskie, G., The Proboscis of the House-fly. Americ. Natur. XIV. 1880. 

 p. 153-161. 



3219. Macmillan, Conway, Sexual Immobility as a Cause of the Development of 

 the Sporophyte. Amer. Nat. Vol. 25. 1891. p. 22-25. — Ref.: B. Jb. 1891. L 

 p. 307. 



5220. — A Suggestion on the proper terminology of the spermaphytic flowers. Bot. 



Gaz. XVL p. 178-179. — Ref. B. Jb. 1891. I. p. 303. 

 3221. — Some considerations on the alternation of generations in plants. Deliv. 

 before the Botan. Seminar of the Univers, of Nebraska. April 1896. Lincoln, 

 Nebrask. (Seminar) 1896, 



3222. Mally, F. W. , An insectivorous primrose (Oenothera speciosa). Proc. 

 Entom. Soc. Washington. IL N. 3. 1892. p. 288-289. — Ref.: B. Jb. 1894. L 

 p. 285. 



3223. Malme, G. 0. A., Über die dimorphen Blüten von Curtia tenuifolia (Aubl.) 

 Knobl. nebst Bemerkungen über die Blütenverhältnisse von anderen Species der 

 Gattung Curtia Cham, et Schlecht. Öf versigt af Kongl. Vetenskaps-Akademiens 



