CONTENTS. 



L. An Account and Description of the Species and most 

 remarkable Varieties of Spring Crocuses, cultivated in 

 the Garden of the Horticultural Society. By Joseph 

 Sabine, Esq. F. R. S. tyc. fyc. Continued from Part III. 



p. 433 



LI. On the Cultivation of Air Plants in Stoves. In a 

 Letter to the Secretary. By Mr. Thomas Fairbairn, 

 F. H. S. p. 499 



LII. Upon the Cultivation of the Bouvardia triphylla. In a 

 letter to the Secretary. By Mr. John Mearns, F. H. S. 



p. 501 



LTII. On the probable cause of the Russet in Apples. In a 

 Letter to the Secretary. By John Williams, Esq. 

 C. M. H. S. p. 505 



LIV. An Account of some new, and little known Species of 

 the Genus Ribes. By Mr. David Douglas, F. L. S. 



p. 508 



LV. History and Description of the Species of Camellia 

 and Thea ; and of the Varieties of the Camellia Japonica 

 that have been imported from China. By Mr. William 

 Beattie Booth, A.L. S. Garden Clerk. p. 519 



LVI. Upon the supposed Changes of the Climate of England. 

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

 $c. p. 563 



LVII. Upon the Application of Hot Water in Heating 

 Hot-houses. In a Letter to the Secretary. By Mr. 

 Thomas Tredgold. p. 568 



LVIII. On the Degeneracy of the larger and finer Varieties 

 of Persian Melons, in the Climate of England. By 

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



p. 584 



