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Negami, K. Imp. Univ. Col. Ag. Bui. 3 ; 3 ; 259. (On the affect of NaoSO^ upon 

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1900, Nestler, a. Ber. d. Deut. Bot. Ges. , 17; 9: 333. Die Secrettropfen an den 

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1893, Oliver, F. W. Jour. Roy. Hort. Soc, I.; 16. Urban fog upon cultivated plants. 



1895, Pfeffer, W. Jarb. Wiss. Bott., 28; 2. Election Orgfanische Nahrstoffe. 



1895, Pfeffer, W. Unters. aus d. Bot. [Inst. , Tubingen. (Aufnahme von Anilinfarben 

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1897, Pfeffer, W. Pflanzen Physiol. 



1889, Pfeffer, W. Mitgl. d. Konigl. Sachs. Ges. d. wiss., 387. Beitrage zur 

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1848, Paven. Compt. Rend. 27 ; i. (On the alkaline quality of distilled water upon 

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1900, Roux. Rapport des Plantes. 



1893, RuMM. Bot. Cent., 55 ; 119. (Effect upon growth of bordeaux mixture). 



1894, Rl:mm. Ber. d. Deut. Bot. Ges., 11 ; 445. (Same subject). 



1862, Sachs. Bot. Zeit., p. 259. (On the acid, alkaline or neutral property of the 

 liquids in plants). 



1887, Sachs. Pflanzen Physiol. 



1878, Sachs. Arb. Bot. Inst. Wiirzburg, p. 148. (On ascent of sap in transpiring 

 plants). 



1804, Saussure. Rech. Chem. Ueber v. \'oigt, 1805 ; 263. (On analysis of substances 

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1895, SuARAUER. Treat, on Plant Physiol. (Eng. trans, by Weiss). 



1884, Scheit, M. Bot. Zeit. (Negative pressure in wood). 



1885, SCHIMPER, A. F. W. Bot. Zeit., 47-47. Bildung und Wanderung der 

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1885, Schimper, A. F. W. Jahrs. f. Wiss. Bot., 16. (Research on the life history of 

 chloroplasts). 



1888, Schimper, A. F". W. Bot. Zeit., 5 ; 10. (Formation of calcium oxalate in 

 leaves). 



1890, Schimper, A. F. W. Flora oder algem. Bot. Zeit., 3. (Assimilation of mineral 

 salts in green plants). 



1874, ScHLossiNG. Compt. Rend., 78 ; 1700. (On the absorption of amm. carb. by 

 leaves of plants). 



1800, Senebier. Physiol. Veg^tale, tomes I. and III. 



1893, Stahl, E. Ann. Jard. Bot. Buit., 11 ; i8g8. Regenfall und Blattgestallt. 



1894, Stahl, E. Bot. Zeit., 6 and 7 ; 119. Transpiration and assimilation. 



