THE GIRTH-INCREASE OF TREES. 57 
ULMUS CAMPESTRIS. 
This great ornament of the South-west of England makes but 
a poor show in Scotland, where it is scarcely recognisable as the 
same tree. Two tall, lanky, but well-clothed specimens in the 
Botanic Garden, however, girth 58 and 59 inches. A quite 
young one was selected in the Arboretum in 1892, when it 
girthed 9'60 inches. The increases for the next four years 
were only °75, ‘60, 55, and ‘50, yielding a rate little over half 
an inch, and as it had a very shabby appearance it was cut 
down. 
TILIA EUROPA. 
nial ANNUAL INCREMENTS. . 
os Ann 
Ist Total. Ay. 
Decade 19g, | 1889. | 1890. | 1891. | 1892. | 1893. | 1894. | 1895. | 1896. | 1897. 
| No. in List. 
wi 
= 
& 
J 
& 
125 | 90 | °60 | °50 | 455 | 1:24 | 19°90 
The fine spreading Lime, No. 2, stands free in the centre of the 
Botanic Garden, and is one of its best trees. It increased in the 
first decade at the rate of -30 and in the second ‘27, a slow pro- 
gress ; but it looks healthy, and is approaching seven feet in 
girth. 
No. 18, although only four feet in girth, has nearly as poor a 
rate. Possibly it has been permanently checked by the low 
temperatures in the winter of 1879, as it fell in that year to ‘40 
from *7o in 1878, and in the two following years was only ‘15 
and ‘25. Although it may have been somewhat crowded for- 
merly it has not been so when under observation, and it is now 
a well-formed, healthy-looking tree, so that its continued low 
rate is somewhat mysterious. It has recently, 1899, been trans- 
planted a short distance, and now stands quite free, 
B 
