Price (to Non-Fellows) 5s» 



NOVEMBER, 1914. 



Vol. XL . Part 2. 



— — ■ — » THE 



JOURNAL 



OF THE 



EDITED BY 



F. J. CHITTENDEN, F.L.S. 



The lohole of tJie contents of this volume are^copyright. - For permission to 

 reproduce any of tlie articles application should he made to the Council, 



CONTENTS. 



PAGE 



Masters Memorial Lectures: 



Relations between the Plant and its Physical Environment. By - 



Prof. J. B. Farmer, M. A., D.Sc. ... ... ... ... ... 197 



The Plant in Relation to its Biological Environment. By Prof. 



J. B. Farmer, M.A., D.Sc ... ... ... ... 208 



Chinese Trees and Shrubs. By W. J. Bean, F.R.H.S. ... 215 



Some Garden Irises. By W. R. Dykes, M.A. ... 226 



The Veltheimias. By A. Worsley, F.R H.S. ... ... 234 



The South African Gerb^sras. By R. A. Diimmer, F.R.H.S. ... ... 236 



Primula floribunda and P. x kewensis ... 263 



Early Roses in Pots. By H. G. Mount, F.R.H.S. 265 



Contributions from the Wisley Laboratory: 



XXIII— The Wisley Turnip Fly Trap. By Prof. H. M. Lefroy, M.A., 



F.Z.S. ... ... ... ... ... ... 269 



Aquilegias at Wisley, 1914 ... ... ... 272 



Pentstemons at Wisley, 1914 ... ... ... 276 



Book Reviews ... ... ... ... .. ... ... 288 



Notes and Abstracts ... ... ... ... 296 



Extracts from Proceedings. General Meetings, p. xcv; Scientific 

 Committee, p. cxiv ; Fruit and Vegetable Committee, p. cxxii ; 

 Floral Committee, p. cxxvi ; Orchid Committee, p. cxiiv ; Narcissus 

 and Tulip Committee, p. clii 



Notices to Fellows ... ... ... ...clviii 



Advertisements. Index to Advertisements ... ... Ad vt. pages 34 d 35 



R.H.S. Office for Advertisements and all Communications, 

 VINCENT SQUARE, S.W. 



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