ON sheltering wall trees. 
213 
This in appearance somewhat resembles the Marrotta in its growing 
state, but will be found by the description to be a very distinct 
variety. Seed large, white. 
End of Common Peas. The Marrow, Sugar, and Grey Peas 
will follow in your succeeding numbers. 
ARTICLE VIII.—ON SHELTERING WALL TREES. 
BY MR. JOHN STEPHEN, 
Gardener to W. J. Charlton , Esq., Hesleyside, Northumberland. 
After a perusal of your Horticultural Register , on preserving 
Peach Nectarine, and Apricot Trees, while in bloom, from frosts, 
fogs and cold winds in the months of March, April, and the begin¬ 
ning of May, which are very injurious to them, I can find out no 
other production than netting. It is a great absurdity to use netting 
in wet and snowy days, and a hard frost at nights. The foliage is 
wet in the morning, and the net and trees are frozen so hard that 
they will break; besides, you cannot always be removing ilie nets 
to wash them for the green fly. Now there is a protection that I 
have used twenty-five years, besides more in the North of England, 
with great success. It is a thin canvass, which can be purchased at 
four-pence per yard (yard wide). Six breadths^ make a covering. 
19 
6 
Eighteen feet Long. 
which I let up and down by ropes and pulleys; if it be a very course 
day, they remain up all day. If the weather be fine, I let them down 
in the mornings and draw them up in the evenings; by this means 
the trees receive the benefit of the sun and free air. If there should 
