IV CONTENTS. 



Article Page 



XVI. Observations, made with .reference to the Temperature of 

 the Earth in the Garden of the Horticultural Society at 

 Chiswick. By Robert Thompson .... 99 



XVII. On the most economical mode of forcing Seakale. By Ro- 

 bert Errington, Gardener to Sir Philip de Malpas Grey 

 Egerton, Bart., M.P., F.H.S 109 



XVIIL On the Cultivation of Hardy Heaths. By David Cameron, 

 C.M.H.S., late Curator of the Botanic Garden, Birming- 

 ham 113 



XIX. Syrian Fruits in the possession of John Barker, of Suspdia 115 



XX. The Coniferous Plants of Italy, considered in their Geo- 

 graphical and Historical Relations. By J. F. Schouw, 

 F.M.H.S., Professor of Botany in the University of 

 Copenhagen , . . . . ► . .116 



XXI. Contributions to a History of the Relation between Climate 

 and Vegetation in various parts of the Globe : 



No. 5. — The Vegetation of the Province of Cear a, in Brazil. 

 By George Gardner, F.L.S., Director of the Royal Bo- 

 tanic Garden, Ceylon ...... 144 



No. 6. — The Vegetation of the Province of Piauhy, in 

 Brazil, and the District of Rio Preto. By Geo. Gardner, 

 F.L.S., Director of the Royal Botanic Garden, Ceylon 153 



No. 7. — The Vegetation of the Province of Goyaz, in Brazil. 

 By George Gardner, F.L.S., Director of the Royal Bo- 

 tanic Garden, Ceylon . . . . . .157 



XXII. On the Caprification of the Fig. By Professor Gasparrini 185 



XXIII. Journal of a Mission to California in Search of Plants. By 



Mr. Theodor Hartweg, in the Service of the Horticultu- 

 ral Society. Part IV. Continued from Vol. II., p. 191 217 



XXIV. Description of the Fruit of an Apricot Tree growing in my 



Garden at Betias, near Susedia, in the Pachalik of Aleppo. 



By John Barker, Esq 22S 



XXV. Notice of a Visit to Pitmaston, near Worcester, May 25, 



1848. By Robert Thompson 229 



XXVI. Contributions to a History of the Relation between Climate 

 and Vegetation in various parts of the Globe : 



No. 8. — The Vegetation of the Diamond and Gold Districts, 

 in the Province of Minas Geraes, in Brazil. By George 

 Gardner, F.L.S., Director of the Royal Botanic Garden, 

 Ceylon 249 



XXVII. The Dwarf Cocoa-Nut of Ceylon. Note by the Vice- 

 Secretary ........ 258 



XXVIII. On the Pot Culture of the Genus Gladiolus. By James 

 Duncan, C.M.H.S., Gardener to Joseph Martineau, Esq., 

 F.H.S., Basing Park, Alton 259 



XXIX. On the Formation of Vine-Borders. By G. Fleming, 

 C.M.H.S., Gardener to the Duke of Sutherland, F.H.S., 

 atTrentham 260 



