56 Notices of Communications to the Society, of which 



to dung in the decayed state in which it is usually ap- 

 plied to vegetables. The greater extent of ground for which 

 a given quantity of manure in a fresh state will suffice, with 

 equal effect, is one obvious cause for the preference of it. 

 Mr. Wilmot also finds that the succeeding crop derives 

 such essential benefits from the dung, which has been so 

 applied, that it is not necessary to have additional manure 

 for it ; but this is not the case when old rotten dung only has 

 been previously used. 



At the same Meeting, A description (accompanied with 

 plans) drawn up by Mr. George Loddiges, of the Steaming 

 apparatus, lately erected by Messrs Loddiges and Sons, in 

 their extensive Nursery- grounds at Hackney, was read. An 

 account of the machinery, with similar details, having been 

 subsequently given to the public by Messrs. Loddiges, in 

 the third Volume of the Botanical Cabinet, a repetition of the 

 publication in the Transactions of the Society is unnecessary; 

 but the subject is here introduced, for the purpose of record- 

 ing the opinion of the Society on the laudable spirit with 

 which a work of such magnitude has been undertaken, and 

 so perfectly executed. The extent of houses heated by 

 steam in Messrs. Loddiges' gardens, from one furnace, is 

 eleven hundred feet. The extraordinary health, and the 

 flourishing condition of the plants cultivated in those houses, 

 are proofs of the superior advantages of this mode of heat- 

 ing : and as it is applicable to houses of any magnitude, it 

 encourages the hope that we shall, ere long, possess in our 

 gardens the large and magnificent natives of the tropical 

 countries in full vigour. It is understood that Messrs. Lod- 

 diges have in contemplation the erection of a house of 



