CONTENTS. Vii 



By Mr. J oseph Thompson, Corresponding Member of the 

 Horticultural Society, Gardener to His Grace the Duke of 

 Portland, at Welbeck, in Nottinghamshire, and Successor 

 to Mr. Speedily. p. 263 



XXXI. An Account of the Species of Calochortus ; a Genus 

 of American Plants. By Mr. David Douglas, A. L. S. 



p. 275 



XXXII. An Account of some Improvements in the Construc- 

 tion of Hot Beds. By Thomas Andrew Knight, Esq. 

 F. R. S. 8?c. President. p. 281 



XXXIII. On the Treatment of the Nymphaea Rubra. In a 

 Letter to the Secretary. By Mr. Christie Duff, Corres- 

 ponding Member of the Horticultural Society of London, 

 and Gardener to the Earl Grosvenor, at Eaton Hall, in 

 Cheshire. p. 285 



XXXIV. A simplified Method of marking Numbers on 

 Tallies. In a Letter to the Secretary. By Sir George 

 Steuart Mackenzie, Bart. F. H. S. p. 288 



XXXV. Upon pruning and managing Dwarf Standard 

 Apple and Pear Trees in a Garden. In a Letter to the 

 Secretary. By Mr. William Greenshields, F. H. S. 



p. 291 



XXXVI. A Plan for transplanting large Forest Trees in 

 Parks. In a Letter to the Secretary. By Sir Charles 

 Miles Lambert Monck, Bart. F. H. S. p. 294 



XXXVII. An Account of Scotch Pears. In a Letter to 

 the Secretary. By Mr. Archibald Gorrie. Correspond- 

 ing Member of the Horticultural Society. p. 299 



XXXVIII. An Account of some Varieties of the Apple 

 which have been found to succeed in a Garden in Ross- 



