Alnus 
glutinosa 
104 ARBORETUM NOTES. 
BETULAGE At. 
ALNUS GLUTINOSA. 
Loudon, p. 1678. 
Two plants here, one in the pleasure ground, 
near the ‘‘Lizard”’ pond, the other in the arbo- 
retum. A singular variety of the Alder, with 
leaves so very like those of the Hawthorn, that 
every one at first takes it for a kind of Cratzgus. 
But its twigs and leaf-buds, though on a smaller 
scale, are like those of the common Alder; and 
when it shows its seed-bearing cones and the 
young male catkins which are to flower next 
spring, there can be no mistake about it. Both 
the trees are now (in this winter of 1864-5), 
bearing catkins of both kinds. This variety is 
of much less vigorous growth and smaller in all 
its parts than the normal state of the common 
Alder; it has altogether something of a contracted 
and pinched appearance; its leaves are not 
only much smaller than those of the normal 
form, but smaller than those of the Hawthorn, 
which they so much resemble in shape. Loudon’s 
wood-cut, 1539, gives a good idea of the foliage. 
