224 TRANSACTIONS OF ROYAL SCOTTISH ARBORICULTURAL SOCIETY. 
a few trees were previously added to the 700 existing in January 
1876, I do not think they were more than 100 or 200. My 
“Plantation Estimate” for April 1889 shows that I have, on 
about 150 acres, at least 74,200 trees, as thus :— 
33,250 robinias (2. Psewd-Acacia), 
18,260 blackwoods (Acacia melanoxylon), 
19,560 Lombardy poplars, 
3,130 sundry trees, 
and I have since then planted about 5000 more, on about 10 
additional acres. But I have not ventured to estimate the multi- 
plication of trees, resulting from replacing the felled robinias, 
poplars, or blackwoods ; there are doubtless many thousands of 
these young plants. 
The earliest, and the subsequent methods of planting, differed 
slightly. The first trees were planted thus: holes about 2 feet 
wide and 15 inches deep were dug in lines, 10 feet apart, and the 
earth heaped up alongside; after a month or so we began planting 
out young robinias, being plants that had sprung from the cut 
roots of other robinias ; also blackwoods, plants grown from seed 
by ourselves, and about ten months old; we filled in the earth 
with care. Robinias did well, but many blackwoods died. 
The next season, having found that leaving the holes open 
sometimes gave extra work in baling out water after heavy rain, 
we dug the holes just as they were required to receive the trees, 
and filled in with surface mould; also, we were much more 
careful to keep the soil in which the young blackwoods were 
growing still well adherent to their roots, carrying the plants 
carefully in boxes, ete. This season we were more successful, and 
arrived at the conclusion that robinias bore transplantation so 
well that no special care was wanted for them. We then tried a 
poplar plantation on a dry slope of ploughed ground, putting in 
cuttings 4 feet apart, with about three eyes above and three eyes 
below ground, ‘These did fairly well; better about the middle of 
the slope than where it died off to a level. But we unwisely 
utilised the ploughed land by sowing pumpkins, melons, etc., 
among the cuttings, and the strong winds blowing their vines 
about the young tree-cuttings did harm. We also had extra 
work with weeds, not having kept them well hoed down. 
The succeeding season we ploughed up about 9 acres in January, 
cross-ploughed and harrowed in May or June, and then put in 
