CONTENTS. 



vii 



By Mr. D. Beaton, Gardener to Thomas Harris, Esq. F.H.S. 

 Kingsbury, p, 459 



XLV. Upon the advantage of Root Pruning in Pear Trees. 

 By Mr. Thomas Rivers, Jun. Nurseryman, Sawbridgeworth. 



p. 471 



XLVI. A note on the Chorozema varium ; a new Greenhouse 

 Shrub from Swan River, with a plate. By Professor Lindley. 



p. 478 



XL VII. Journal of Meteorological Observations made in the 

 Garden of the Horticultural Society at ChiswicJc during the 

 year 1839. By Mr. Robert Thompson. p. 481 



XL VIII. Note upon Achimenes longiflora, a new plant from Gua- 

 temala. By Mr. Robert Fortune ; Superintendent of the Hot- 

 house Department of the Society's Garden. p. 508 



XLIX. On a System of pruning Fruit Trees. In a Letter to 

 the Secretary. By Mr. Henry Crace. p. 511 



L. Experiments upon the effects of Kyanized Wood, and Mer- 

 curial Vapour upon Plants. By Mr. Robert Fortune ; Super- 

 intendent of the Hothouse Department of the Society s Garden. 



p. 515 



LI. Some account of the Ickworth Imperatrice Plum. By Mr. 

 Robert Thompson; Superintendent of the Orchard and Kitchen 

 Garden Department of the Society s Garden. p. 522 



LII. On the Cultivation of Grapes on flued walls in the open air 

 in Scotland. By Mr. George Shiells ; Gardener to Lord 

 Blantyre, ErsJcine House, near Glasgow. p. 525 



LIII. Journal of Meteorological Observations made in the Gar- 

 dens of the Horticultural Society at ChiswicJc during the year 

 1840. By Mr. Robert Thompson. p. 529 



List of Books and other Articles presented to the Library of the 

 Horticultural Society of London, from January 1, 1835, to 

 December 1841, with the names of the Donors. 



