22 Blütenbiologische Litteratur. 



3335. Riley, Ch. V., The Rose Chafer. Insect Life. Vol. II. 1890. p. 295—302. — 

 [Blütenfeindliche Besuche von Macrodactylus subspinosus F.] 



3336. — Bees. Insect Life VI. (1894.) p. 350-360. 



3337. — Some Entomological Problems bearing on California Pomology, Caprifi- 

 cation. Read at the Meeting of the Amer. Pomological Society. Los Angeles, 

 January 30, 1895. 



3838. River a, Manuel J., Empolvoramiento de algunas especies del g^nero Loasa. 

 Santiago, Impr. Cervantes, 1899. — [Bestäubung von Loasa -Arten durch Hymeno- 

 pteren.] 



3339. Roberts, C, Destruction of Flowers by ßirds. Nature. XL p. 446. 



3340. Robertson, Charles, Harshberger on the origin of our vernal flora. Science 

 1895. p. 371—375. — Ref: B. Jb. 1895. I. p. 102. 



3341. — Flowers and insects. XVIII. Bot. Gaz. XXV. 1898. p. 229—245. — Ref.: 

 Bot. Centralbl. Bd. 87. p. 61. B. Jb. 1898. II. p. 421. 



3342. — Flowers and insects. XIX. I. Comparison of the genera of bees observed 

 in Low Germany and in Illinois with the number of species of each and their 

 flower Visits. IL On the flower visits of oligotropic bees. III. Competition of 

 flowers for the visits of bees. IV. On the influence of bees in the modification 

 of flowers. V, On the supposed pollen carrying apparatus of flies and birds. — 

 Bot. Gaz. XXVm. 1899. N. 1. p. 27-45. — Ref.: Bot. CentralW. Bd. 85. p. 297 

 —304; B. Jb. 1899. IL p. 462—464. 



3343. — Flower ecology. Bot. Gaz. Vol. XXVIIL 1899. p. 432—434. — [Besprechung 

 von Knuth's Handbuch der Blütenbiologie. Bd. IL] 



3344. — Flower visits of oligotropic bees. Botan. Gaz. Vol. XXVIIL 1899. p. 215. 

 — Ref.: Bot. Centralbl. Bd. 85. (1901.) p. 304; B. Jb. 1899, IL p. 464. 



3345. — Another note on the flower visits of oligotropic bees. Bot. Gaz. Vol. XXX. 

 1900. p. 130. 



3346. — Flower visits of oligotropic bees. III. Bot. Gazette XXXII. 1901. p. 367—368. 



3347. Robinson,';A. G., Blue ridge blossoms. Plant World. 1. 1898. p. 130—131; 

 145—147. 



3348. Robinson, B. L. , Two undescribed species of Apodanthes. Bot. Gaz. XVI. 

 1891. p. 82—84. 



3349. — A new species of Apios from Kentucky. Bot. Gaz. XXV, 1898. p. 450 

 -453. 



3350. — An apetalous form of Arenaria groenlandica. Rhodora. Vol. 1. 

 1899. N. 5. p. 90. 



3351. Rompel, Jos., Zur Bestäubung der Blüte von Victoria regia Lindl. Natur 

 und Offenbarung. Bd. XLVL 1900. p. 449—457. 



3352. Rose, J. N., List of Plauts collected by Pr. Edward Palm er in 1890 in 

 Western Mexico and Arizona. Contrib. U. S. National Herbar. Vol. I. N. 4. 1891. 

 p. 91—127. — (Sphingidenbesuch an Bunchosia. Chalcidide im Ovar von 

 Willardia.) 



— Rose, J. N., s. N. 2988. 



3353. Rosenberg, 0., Über die Pollenbildung von Zostera. Meddelande frän Stock- 

 holms Högskolas Botaniska Institut. Upsala 1901. (p. 1—21.) — Ref. : Bot. Centralbl. 

 Bd. 89. 1902. p. 99-100. 



3354. Ross, H. , Blütenbiologische Beobachtungen an Cobaea macrosterama Pav. 

 Flora. 1898. p. 125—134. — Ref.: Bot. CentralbL Bd. 76. p. 21; B. Jb. 1898 IL 

 p. 421-422. 



3355. Rowlee, W. W. and Susie P. Nichols, The taxonomic value of the stami- 

 nate flowers of some of the oaks. Bot. Gaz. XXIX. 1900. p. 353—356. — 

 [Que'rcus.] 



