139 



Rimpaa, W. Die Ziichtung neuer Getreidearten . 



Landtcirtluch. Jahrb. v. Nathusius u Thiel , 1877, pctg . 199 — 233. 



Die Selbst-Sterilitat des Roggens. 



Landwirthsch. Jahrb., Bd. VI, Eeft 6, 1877. 



Sargent. The sexes of Salisburia. 

 «l. Qard. Monthly , IS77, paff. 358. 



Wilson, N. P. On the cross-fertilization . 



d. Proc. nat. hist. Soc. Boston , Fol. XVIII , 1876, pag . 359. 



Wallace, A. R. The colours of animals and plants. 

 r. Lit. andphilos. Soc. Neiccastle-on-Tyne. 



C. Science-Gossip , Vol. XIIl , 1877, pag. 94. 

 " Garden, Vol. XII, 1877, pag. 320. 



Zacharias, 0. Darwin iiber Kreuzung und Selbstbefruchtung im PHan- 

 zenreiche . 

 Ausland , 1877, No. \. 



The purpose of honeyed secretions . 



Gard. Monthly , 1877, fag. 57; 87—88. 

 Bees and clover , 



Gard. Monthhj , 1877, pag . 280. 



Fertilizing figs in Smyrna . 



Gard. Monthly , 1877, fag . 174—175. 



Aiding poUen in fertilization . 



Gard . Chron . 



Gard. Monthly, 1877, pag . 370. 



On the relation of insects and flowers. 



Nature, Vol. XVI, 1877, mg . 522; 538. — Vol. XVII . m». 62; 

 102; 163. ^ 



Wechselbeziehungen zwischen Pflanzen und Insekten . 



Ausland, 1877, No. l. .' 



Plant fertilizalion . Lobelia syphilitica. 



Rural New Yorker . 



C. Garden, Vol. XI, 1877, pag. 59. 



Fertilisation of Salix repens . 



Nature, Vol. XVI, 1877, pag . 184. 



Darwin's Werk iiber Orchideenbefruchtung . 



Ausland. 1877, No . 19. 



Cross-fertilisation of plants and consanguineous marriage. 



Westminster Review, 1877, No . 104. 



Fertilization of flowers trough insect agency . 



Gard. Monthly, 1877, pag . 54—55; 88. 



Necessity or utility of animal food to certain plants. 



Gard. Chron., Vol. VIII, 1877, fag. 83. 



Vegetable parthenogenesis . 



Science-Gossip , Vol. XIII, 1877, pag . 140. 



