PREFACE. vii 



The references to the literature of Part I have been 

 v^ increased in number, and they now give a fuller, though 

 still but a rough guide to the published authorities. The 

 references to Sachs' books appear to have been a 'source 

 of difficulty to some of our readers. I therefore give 

 the full titles of those to which reference is made. 



Physiologie Vtgetale, recherches sur les conditions 

 d' existence des plantes^ et sur le jeu de leurs organes. 

 Traduit de rAllemand avec I'autorisation de Fauteur, 

 par Marc Micheli. Paris, V. Masson et Fils, 1868. [This 

 is the translation of Sachs' Handbuch der Experimental- 

 Physiologie der Pflanzen, being volume iv of Hofmeister's 

 Handbuch der Phi/siologischen Botanik, Leipzig, 1865.] 



Arbeiten des botanischen Institute in Wurzburg, heraus- 

 gegeben von Prof. Dr Julius Sachs. Leipzig, Engelmann. 

 Band I. 1874, Band n. 1882, Band in. 1888. 



Text-book of Botany, morphological and physiological, 

 by Julius Sachs, Professor of Botany in the University of 

 Wiirzburg. Edited with an Appendix by Sidney H. Vines, 

 M.A.,. D.Sc., F.L.S., Fellow and Lecturer of Christ's 

 College, Cambridge. Second Edition, Oxford, at the 

 Clarendon Press, 1882. [This is a translation of Sachs' 

 Lehrbuch der Botanik (Edit. 1874).] 



Vorlesungen uber Pflanzen-Physiologie von Julius 

 Sachs. Leipzig, Englemann, 1882. [An English trans- 



D. A. 



