28951 ■ :? ' n 
CONTENTS OF VOL. XLII. 
PAGE 
The Economic Status of Wild Birds. By W. E. Collin ge, M.Sc, F.L.S.... i 
Some Essential Points of Orchid Cultivation. By G. Wilson, F.L.S.. 7 
Control of Plant Diseases due to Fungi. By A. S. Home, D.Sc, F.L.S. 13 
On an Early Mention of the Double Wallflower. By E. Saunders, 
F.L.S 2 7 
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 and 1915 in Kansu and Tibet. By R. Farrer, 
F.R.H.S 47,324 
The 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, 450 
Notes and Abstracts 183, 471 
Joseph Gurney Fowler 209 
Some Aspects of Spraying against Pests. By A, H. Lees, M.A 213 
Daffodil Developments. By Rev. Joseph Jacob 229 
Uses of Lime in Agriculture and Horticulture. By H. E. P. Hodsoll, 
F.C.S., M.S.E.A.C 236 
The Bamboo. By J. Hudson, V.M.H 245 
Cooking of Vegetables, Fruits, &c. By C. Herman Senn, C.G.A., 
F.R.H.S 253 
History and Development of the Red Currant. By E. A. Bunyard, 
F.L.S 260 
A Sussex Rock-Garden. By F. J. Hanbury, F.L.S 271 
Border Chrysanthemums. By Thos. Stevenson, F.R.H.S 282 
Some Fallacies regarding the Clematis. By A. G. Jackman, F.R.H.S. 292 
Conference on Bulb-growing in the British Isles 296 
Dahlia : its Reputed Introduction in 1789. By C. H. Payne, F.R.H.S. . 305 
Economic Mycology. By Prof. M. C. Potter, Sc.D 317 
Experiments with Bacterized Peat. By F. J. Chittenden, F.L.S 349 
New or Noteworthy Plants at Wisley 353 
Economic Value of Vegetables. By F. Stoker, M.B., F.R.C.S 355 
Report of Chemist. By Dr. J. A. Voelcker, M.A., F.I.C 358 
Paradise Apple Stocks. By R. G. Hatton, M.A 361 
Spring Cabbages at Wisley, 1916 400 
Savoys at Wisley, 1916 407 
Clarkias at Wisley, 1916 412 
godetias at wlsley, i916 4i4 
Indian Pinks at Wisley, 1916 418 
Larkspurs at Wisley, 1916 420 
Mignonette at Wisley, 191 6 421 
Annual Sunflowers at Wisley, 191 6 424 
