316 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



or other which I believe is, with many of them, a kind of necessity for 

 their well-being — a downright food — and the whole purport of this paper 

 is to make it evident that such is the case. But, as showing how far 

 some good horticulturists have gone on the wrong tack about this, I 

 may be allowed to mention that Mr. Amos Perry, who is one of our best 

 nurserymen, said to me that he considered it good practice if " four or 



i 



Fig. KilJ.— Ikis Korolkowi. {The Garden.) 



five inches of soil are taken off the bed where Oncocyclus Irises are grown 

 and they have a heavy dressing of manure to that amount." This I 

 should now esteem to be quite out of the question, but Mr. Amos Perry 

 is by no means singular in the opinions he held. I have been over the 

 fine gardens of Messrs. Herb and Wulle at Naples, and we discoursed 

 about Irises for a long time, but I never heard a word from them about 



