CONTENTS. 



LIX. An Account of a New Variety of Plum, called the 

 Downton Imperatrice. In a Letter to the Secretary. By 

 Thomas Andrew Knight, Esq. F. R. S. fyc. President. 



p. 381 



LX. Observations upon the Effects of Age upon Fruit Trees 

 of different Kinds ; with an Account of some new Varie- 

 ties of Nectarines. In a Letter to the Secretary. By 

 Thomas Andrew Knight, Esq. F. R. S. fyc. President. 



p. 384 



LXI. On a Hybrid Amaryllis produced between Amaryllis 

 vittata and Amaryllis Regina-vittata. In a Letter to the 

 Secretary. By James Robert Gowen, Esq. F. H. S. p. 390 



LXIL On the Cultivation of the Pine Apple. In a Letter 

 to the Secretary. By Mr. Alexander Stewart, Gardener 

 to Sir Robert Preston, Bart, at Valleyfield, near Culross, 

 Perthshire. p. 393 



LXIII. Description of a Pear Tree, on which the Operation 

 of Reverse Grafting has been performed. In a Letter to 

 the Secretary. By Mr. William Balfour, Gardener to the 

 Earl Grey, at Howick, in Northumberland. p. 396 



LXIV. Notice of new or remarkable Varieties of Fruits, 

 ripened in the Summer and Autumn of the year 1822, 

 which were exhibited at Meetings of the Horticultural 

 Society. p. 398 



LXV. A Description of some new Pears. By Mr. John 

 Turner, F. L. S. Assistant Secretary. p. 404 



LVI. Account and Description of five new Chinese Chrys- 

 anthemums ; with some Observations on the Treatment of 

 all the Kinds at present cultivated in England, and on 

 other Circumstances relating to the Varieties generally. 

 By Joseph Sabine, Esq. F. R. S. fyc. Secretary, p. 412 



