CONTENTS OF VOL. XL. 



PAGE 



North American Forestry. By Professor W. Somerville, D.Sc i 



The Use of Explosives and the Blow Lamp in the Garden. By H. E. 



Durham, D.Sc 7 



Evolution by Degeneration. By Rev. Prof. Henslow, V.M.H 19 



Pruning Hardy Shrubs. By E. Beckett, V.M.H 24 



Cultivation of Hippeastrums. By C. R. Fielder, V.M.H 35 



Probable Origin of Existing Flowers. By Rev. Prof. Henslow, V.M.H. 40 



Fairy Flies and their Hosts. By F. Enock, F.L.S 45 



Meteorological Observations at Wisley. By R. H. Curtis, F.R.H.S. 51 



Analysis of Pea Trials at Wisley. By F. R. Durham, A.M.I.C.E... 65 



A Cabbage Disease. By W. B. Grove, M.A 76 



Quercus semecarpifolia. By R. A. Diimmer, F.R.H.S 78 



QuERCUS CRASSiPES. By R. A. Dummer, F.R.H.S 79 



Euphorbia Hislopii. By R. A. Diimmer, F.R.H.S 80 



Arctotis mirabilis. By R. A. Diimmer, F.R.H.S 81 



Contributions from Wisley Laboratory : 



XXIL— The Rogue Wallflower. By F. J. Chittenden, F.L.S. .. 83 



XXIIL— The Wisley Turnip-fly Trap. By Prof. H. M. Lefroy, 



M.A., F.Z.S 269 



XXIV. — Iris Leaf-blotch Disease. By J. K. Ramsbottom 481 



Examinations in Horticulture 87 



Book Reviews 114, 288, 589 



Notes and Abstracts 131, 296, 611 



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 Gerberas. 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 



Aquilegias at Wisley, 1914 272 



Pentstemons at Wisley, 1914 276 



Informal and Wild Gardening. By J. Hudson, V.M.H 361 



Lawns and their Upkeep. By J. MacDonald, F.R.H.S 372 



Mechanical Structures in Vegetables. By Rev. Prof. Henslow, V.M.H. 381 

 Perpetual Flowering Carnations in Pots. By W. H. Cutbush, F.R.H.S. 389 

 An Amateur's Experiments in Apple-growing. By G. O. Nicholson, 



F.R.H.S 394 



Some Good Books for an Amateur Gardener's Library. By E. A. 



Bowles, M.A., F.L.S 401 



A Guide to the Literature of Pomology. By E. A. Bunyard, F.L.S.. . 414 

 The Double Stock, its History and Literature. By E. R. Saunders, 



F.L.S 450 



The Use of Charcoal as a Medium for Plant Growth. By A. Apple- 

 yard, M.Sc 473 



