MAY. 



7.5 



which it can be recovered again ; it is certain death 

 to it, and that almost instantly ; and, on the other 

 hand, should the ball of earth be soddened and 

 kept in that state, a lingering death will be the 

 consequence. 



When they are removed into the open air, pro- 

 tect them from heavy rains and the hot sun, as 

 both these are very injurious ; indeed it is prefer- 

 able to keep them in the house on this account. 



The heathery ought to be constructed so as to 

 have a thorough current of air to pass through it, 

 and it should be provided with a temporary shade 

 to be used on hot days. 



I would recommend to every one who wishes to 

 excel in the cultivation of this genus of plants, to 

 consult the Treatise on the Culture and Propaga- 

 tion of Erica, by Mr. M'Nab, of the Edinburgh 

 Botanic Garden, a gentleman who stands pre-emi- 

 nently distinguished for the cultivation of the erica. 



The following is a list of ericae obtained from Mr. 

 W. L. Rider, in the transmitting of which he ob- 

 serves that they are classed in a manner peculiarly 

 adapted to the character of my publication, and 

 that the season of flowering them varies very con- 

 siderably, depending much upon the manner of treat- 

 ing them. They are arranged in monthly order, 



