364 HISTORY OF THE ROYAL BOTANIC GARDEN, 
This, I believe, is all I can say of importance on the soil and 
shifting of hea ths ; I shall, therefore, proceed to the fourth and last 
part of this essa , and the one which I consider the most important 
of all, being convinced that no man will ever grow heaths well un- 
less the practice I am now to recommend, or something similar to 
it, is Gtended es namely :— 
IV. The General Treatment of Heaths when in the House 
and out of Doors; when it is necessary to have them 
there. 
Many of the tee observations were derived from hints 
communicated to me in repeated conversations on the culture of 
i a 
the Bob to be met with in that coun ntry. 
many years before his death Mr Niven resided in the village 
of Pienyeuek. in the neighbourhood of Edinburgh, where he rarely 
met with a os friend. He died at Pennycuick on the 9th 
pete AB 
iven’s : Horias Siccus of Cape Evicee is now in my sme 
and contains many species never yet introduced into tain 
least many that I have never met with in cultivation. I beg it to be 
understood, however, that all I have hitherto stated, as well as what 
I am now going to recommend, is not the mere theory of Mr Niven, 
or of any other man, but is ounde on my own Se ee 
en I mention the treatment heaths should have when in the 
use, I must let it be understood, — if I had sufhicient eceO Ht mo- 
