CONTENTS OF VOL. XXXVIII. 



PAGE 



Plant Life in a Teopical Island. By Sir Everard im Thurn, K.C.M.G., C.B. 1 



New Sweet Peas. By W. Cuthbertson, J.P., F.R.H.S 10 



The Stimulation of Plant Growth. By Professor H. E. Armstrong, F.R.S. ... 17 



Ferns. By H. B. May, V.M.H 22 



Darwin as Ecologist. By Eev. Professor G. Henslow, M.A., V.M.H 27 



Hereditary Characters in the Potato. By Dr. Redcliffe Salaman 34 



Contributions from the Wisley Laboratory : 



XVL— Bruise in Potato. By A. S. Home, B.Sc, F.G.S 40 



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



Effects of Summer of 1911 on Flowering of Shrubs. By W. L. Fox, F.R.H.S. 65 

 An Analysis of the Pea Trials at Wisley. By F. R. Durham, A.M.Inst.C.E., 



F.R.H.S 67 



HippEASTRUM Forgetii. By A. Worsley, F.R.H.S 73 



Wattle Cultivation. By F. H. Seed, F.R.H.S 76 



Commonplace Notes 78 



Book Reviews 80, 288, 582 



Reports of Examinations : 



Parks Examination 96 



General Examination 813 



Teachers' Examination .., 321 



Notes and Abstracts 98, 347, 623 



Tender Plants for a Warm Corner. By R. I. Lynch, V.M.H 189 



Drought and Gardening. By Professor I. Bayley Balfour, F.R.S., V.M.H 206 



The Rev. Professor J. S. Henslow as Ecologist. By Rev. Professor G. Henslow, 



M.A., V.M.H 220 



The Wisley Rock and Water Garden. By J. R. Pulham, F.R.H.S 225 



The Flowers of Apples as an Aid in Identification. By E. A. Bunyard, 



F.R.H.S 234 



The Pollination and Setting of Fruit Blosso s By C. H. Hooper, M.R.A.C. 238 



Present-day Water Lilies. By J. Hudson, V.M.H 249 



The Aphides attacking Peas. By Professor V. Theobald, M.A 256 



Sweet Lavender. By Miss H. C. Philbrick 258 



Delphiniums at Wisley, 1912 262 



Sweet Peas at Wisley, 1912 271 



Violas at Wisley, 1912 275 



Entomological Congress at Oxford, 1912 345 



Orchid Conference , 401 



Problems of Propagation. By Professor I. Bayley Balfour, F.R.S 447 



Town Smoke and Plant Growth. By Dr. C. Crowther, M.A 461 



Double Flowers. By Miss E. R. Saunders, F.L.S 469 



An English Fruit-Farm in the Making. By H. Hooper, F.R.H.S 483 



On Scented Pelargoniums. By Miss Troyte-Bullock, F.R.H.S 497 



The Vegetation of the Island of St. Leger in Lago Maggiore. By Madame 



Tzikos de St. Leger , 503 



The Senses of Plants. By Rev. Professor G. Henslow, M.A., V.M.H 515 



Some Experiments with Contact Insecticides. By J. C. Johnson, M.A., M.Sc. 521 

 On the Nomenclature of the Organism causing " Corky " or *' Powdery- Scab " 



in the Potato Tuber. By G. H. Pethybridge, Ph.D., B.Sc, F.R.H.S 524 



Bigeneric Hybrids, Cooperia x Zephyranthes. By S. P. Lancaster, F.R.H.S. 531 



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