TABLE OF CONTENTS. 



VOLUME IV. 



Original, Communications : — 



Article Page 



I. The Coffee Bug and Coffee Mildew. By G. Gardner, F.L.S. . 1 



II. A Notice of a Mould attacking the Coffee Plantations in Ceylon. 



By the Rev. M. J. Berkeley, King's Cliffe, Wansford . . 7 



III. Notes on the Proper Treatment of Epiphytal Orchids. By 



George Gordon, A.L.S., Superintendent of the Ornamental 

 Department in the Society's Garden ..... 9 



I V. Contributions to a History of the Relation between Climate and 



Vegetation in various parts of the Globe : 

 No. 8. The Vegetation of Ceylon. By George Gardner, F.L.S., 

 Director of the Royal Botanic Gardens, Ceylon . . . .SI 



V. On Transplanting large Evergreen Trees and Shrubs. By R. 

 Glendinning, F.H S., Hon. Mem. Hort. Soc. of Queen's 

 County, Cor. Mem. Hort. Soc. of Massachusetts, U. S. A. . 41 



VI. Official Correspondence i-elating to the Para Grass, pointing out 

 its importance as a species capable of resisting great drought 

 in hot countries. Communicated in a letter to Dr. Liudley 

 by B. Hawes, Esq., M.P. 44 



VII. The Aeration of Vineries, as practised at Bowood, the seat of 

 the Marquis of Lansdowne, F.H.S. By John Spencer, 

 C.M.H.S., Gardener there #9 



VIII. The Pear as regards its Stock. By R. Errington, C.M.H.S., 

 Gardener to Sir Philip de Malpas Grey Egerton, Bart., M.P., 

 F.H.S., at Oulton Park, near Tarporley . . . .62 



IX. On the Cultivation of Celery. By W. Cole, Gardener to H. 



Colyer, Esq., Dartford ....... S5 



X. Experiments on the Growth of Plants in the Pure Earths, and 

 also with Stimulants and Manure, made in the Years 1843-44. 

 By W. H. Pepys, F.R.S., F.H.S 57 



XI. On the Cultivation of Ipomsea Ficifolia, with a view to its 

 Flowering in the Conservatory during the Summer^ and 

 Autumn Months. By James Duncan, C.M.H.S., Gardener to 

 Joseph Martineau, Esq., F.H.S., Basing Park, Alton . . 60 



XII. Account of Experiments made in the Garden of the Horticul- 

 tural Society, in 1848, with reference to the Potato Disease ; 

 together with some Observations on the same. By Robert 

 Thompson ......... 62 



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