Blütenl)iologische l.ittenitnr. !349 



2097. Rimpaii. W. Die Kreuzung als Mittel zur Erzeugung neuer Varietäten von landwirt- 

 schaftlichen Kulturpflanzen. — Vortrag gehalten auf der 57. Versammlung Deutscher 

 Naturforscher und Arzte in Magdeburg 18. — 2S. Sept. 1884. — Ref.: ßotan. Cen- 

 tralbl. Bd. XX. 1884. p. 219— ■2'24, 253—255. 



2098. Riville, Godehen de. Memoire sur la caprification. — Mem. de Math, 

 et de Physique presentees par divers Savants ii l'Academie de Paris, Vol II. 

 1755. p. 153. 



2099. Robertson, Charles. Proterogynous U m b e 1 1 i f e r a e — Bot. Gazette, 

 Xin. Nr. 7. p. 193. 



2100. — — Flowers and Insects. I. Botanical Gazette Vol. XIV. May 1889. p. 120 

 — 126. — II. Bot. Gaz. Vol. XIV. July 1889. p. 172-178. — III. Bot. Gaz. Vol. 

 XIV. Dec. 1889. p. 297-304. — IV. B. 6. Vol. XV. Apr. 1890. p. 79-84. — V. 

 Bot. G. Vol. XV. 1890. p. 199-204. — VI. Bot. Gaz. Vol. VI. March 1891. p. 

 6.5—71. - Ref.: B. Jb. 1891. I. p. 428. — VII. Bot. Gaz. Vol. XVII. March 1892. 

 p 65-71. — Ref.: B. Jb. 1892. I. p. 497—498. — VIII. Bot. Gaz. Vol. XVII. June 

 1892. p. 173—179. — IX. B. G. Vol. XVII. Sept. 1892. p. 269-276. — X. B. G. 

 Vol. XVIII. Febr. 1893. p. 47—54. — XI. B. G Vol. XVIII. .Tuly 1893. p. 267- 

 274. — Ref : über IX, X u. XI: ß. Jb. 1893. I. p. 364. — XII. Bot." Gaz. Vol. XIX. 

 March 1894. p. 103-112. — Ref.: Bot. C. LIX. p. 186; B. Jb. 1894. I. p. 290 

 -292. — XIII. B. Gaz. Vol. XX. March 1895. p. 104—110. — Ref.: B. Jb. 1895. I. 

 p. 101—102. — XIV. B. Gaz. Vol. XX. April 1895 p. 139—149. — XV. Bot. 

 Gaz. Vol. XXI. Febr. 1896. p. 72—81. — XVI. Bot. Gaz. Vol. XXI. May 1896. 

 p. 266—274. — XVII. B. Gaz. Vol. XXII. Aug. 1896. p. 154—165. 



2101. — — Insect relations of certain A s c 1 e p i a d s. I. Bot. Gazette Vol. XII. 

 Sept. 1887. p. 207-216. With one plate. — IL Bot. Gaz. Vol. XII. Oct. 1887. 

 p. 244-250. 



2102. — — Flowers and Insects. Umbelliferae. — Transactions of the St. Louis Aca- 

 demy of Science. Vol. V. Nr. 3. p. 449—460. — Asclepiadaceae to Scrophu- 

 lariaceae, p. 569—598. - Ref.: B. Jb. 1891. L p. 428. — Labiatae. VoL 

 VL Nr. 4. p. 101— 131. — Ref.: B. Jb. 1893. L p. 363-364. — Rosaceae and 

 Compositae. — Vol. VL Nr. 14. p. 436—480. — Ref.: B. Jb. 1894. L p. 290; 

 Bot. C. LXIII. p. 326. 



2103. — — The philosophy of flower seasons, and the phaenological relations of the 

 entomophilous flora and the anthophilous insect fauna. — The American Naturalist. 

 Vol. XXIX. Febr. 1895. p. 97—117. — Ref.: B. Jb. 1895. I. p. 102. 



2104. — — Notes on bees, with description of new species. — Transact. of the Am.er. 

 Entomological Society. 1895. 



2105. — — Zygomorphy and its causes. I. II. III. — Bot. Gazette 1888. p. 146—151; 

 p. 203—208; p. 224—230. — Ref.: Bot. Centralbl. XXXVI. p. 264. 



2106. — — Fertilization of Calopogon parviflorus Lindl. — A. a. 0. XII. p. 

 288—291. — Ref.: Bot. Centralbl. XXXVIII. p. 533. . 



2107. — — Effects of the wind on bees and flowers. — A. a. 0. XIII. p. 33, 34. — 

 Ref.: Bot. Centralbl. XXXVIIL p. 534. 



2108. — — Notes on the mode of poUination of Asclepias. — A. a. O. XL p. 262 

 —269. With plate VIIL — Ref.: Bot. Centralbl. XXXVIIL p. 597—601. 



2109. — — Insects relations of certain Asclepiads. L IL — A. a. 0. XII. p. 207— 

 216. With plate XII; p. 244-250. - Ref.: A. a. 0. 



2110. — — The fertilisation of Flanders flowers. — The Botanical Gazette. VoL 

 XX. 1895. p. 375-378. 



2111. — — Contributions to an account of the ecological relations of the entomo- 

 philous flora and the anthophilous insect-fauna of the neighbourhood of Carlin- 

 ville. — Transact. of the Ac. of Sc. of St. Louis. Vol. VII. p. 151—179. — Ref. 

 Bot. Centralbl. Bd. 70. p. 96, 97. 



