234 



Riley, C. V. Insects of the Rocky mountains. 

 Trans. St. Louis, Vol. III, pag . 246. 



Saccardo, P. A. Sulle cause determinanti la sessualita nella canape. 



In 8°. di 3 pag . 



d. Bull. Soc. Ven.-Trent. sc. nat., 1879, pag . 16—18. 

 C. Oest. bot. Zeitschr., 1879, pag. 303 — 304. 



• Nuov. Giorn. bot. ital., 1879, pag. 319. 



' Revista Scient.-industr., 1879, No. 11—13. 



» Bot. Jahresber., 1879, pag. 177. 



" Gartenflora, 1879, pag. 316. 



Saint-ftaentin , De. Nicotiana hybrida glauco-tabacum, completement 

 stej-ile. 

 Bull. Soc. cVacclim., 1879, pag . 590. 



Sauppe. The utility of bees. 



Gnrd. Chron., Vol. XI, 1879, pag . 564. 



Schnetzler, M. B. Quelques observations sur le role des insectes pendant 

 la floraison de l'Arum crinitum Ait. 



d. Cornpt. Rend., Tom. LXXXIX, iS19,pag. 508—510. 

 C. Bot. Jahresber., 1879, pag. 136. 



. Rev. sc. nat. Montpellier, Tora. VIII, 1879, pag. 384—385. 

 » Nature, Vol. XX, 1879, pag. 500. 



.' Bull. Soc. Linn. du Nord de la France, Tom. IV , 1879, pag. 316— 317. 

 " Journ. of Science. Vol. I, 1879, pag. 702. 

 " Rev. scientif., 9me Anne'e, lerSem., 1879, pag. 286. 



On the part played by insects during the flowering of Arum 



crinitum Ait. 

 C. Annals and Magaz. nat. hist., Vol. IV, 1879, pag. 399—400. 



Sbeppaid, J. Bees and fruit blossoms. 

 Gard. Chron., Vol. XI, 1879, pag . 408. 



Sisley, J. Artificial fecundation of the rose tribe. 

 Gard. Magazine, 1879, pag . 503 — 504. 



Fecondation artificielle. (Sur la) 



Revue hortic., 1879, pag . ib—il. 



C. Gard. Magazine, 1879, pag. 13. 



Slater, J. W. On insects destroyed by flowers. 



Trans. entomol. Soc. London, 1879, pag. IX — X; Proc. 



Smith, J. A. The fruiting of conifers. 



Gard. Chron., Vol. XII, 1879, jxt^. 823. 



Smythe, W. Bees as fertilising agents. 

 Gard. Chron., Vol. XI, 1879, pa^. 213. 



Thomson, G. M. Xotes on cleistogamic flowers of the genus Viola. 

 Trans. and Proc. Neio-Zealand Instit. Wellington, Vol. XI, 1879, 

 pag . 415-417. 



C. Bot. Jahresber., 2teAbth., 1879, pag. 111. 



Thomson, W. The sexes of the willow. With fig. 

 Go.rd. Chron., Vol. XI, 1879, pag. 569. 



