Price (to Non-Fellows) 5s. 
OCTOBER, 1916 
Vol. XLH. Part 1. 
- THE 
JOURNAL 
OF THE 
EDITED BY 
F. J. CHITTENDEN, F.L.S. 
The whole of the contents of this volume are copyright. For permission to 
reproduce any of the articles application should be made to Hie Council. 
CONTENTS. 
FAOB 
The Economic Status of Wild Birds. By W. E. Collinge, M.Sc, F.L.S. 1 
Some Essential Points of Orchid Cultivation. By G. Wilson, F.L.S. ... 7 
Control of Plant Diseases due to Fungi. By A. S. Horne, D. c, F.L.S. 13 
On an Early Mention of the Double Wallflower. By E. Saunders, F.L.S. 27 
Century of Certificated Plants introduced by E. H. Wilson, V.M.H. ... 35 
Flora of North-West Yunnan. By G. Forrest ... 39 
Report of Work in 1914 in Kansu and Tibet. By r\. Farrer ... ... 47 
New Laboratories at Wisley ... . ... 115 
Meteorological Observations at Wisley, 1915. By R. H. Curtis, F.R.H.S. 122 
Medicinal Plants. By E M. Holmes, F.L.S. ... ... ... 133 
Single Roses. By G. Bunyard, V.M.H ... 145 
University Degrees in Horticulture ... ... , 148 
Examinations in Horticulture, 1916 ... ... ... ... 155 
Book Reviews ... ... ... ... ... 167 
Notes and Abstracts ... ... ... ... 183 
Extracts from Proceedings: General Meetings, p. i; Scientific 
Committee, p. xxxix; Fruit and Vegetable Committee, p. xlviii; 
Floral Committee, p. liii; Orchid Committee, p. Ixiv. 
Notices to Fellows ... ... ... ... ... ... Ixxii 
Advertisements. Index to Advertisements ... Advt. page 30 
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