ARBORETUM NOTES. if 
LEGUMINOS2Z:. 
been hurt by the winter of 1860-61 ; they flowered fytisus 
well in the following May; but the blossoms of 
the Laburnum are sometimes entirely killed in 
the bud by late frosts in April. This happened 
to a great extent in 1859, when the fine old 
Laburnums at Mildenhall lost almost all their 
flower buds: the promise of blossom had been 
ereat, but violent and cold east winds set in 
towards the end of April, and hardly a flower-bud 
escaped. 
The only place where I distinétly remember 
to have seen the Laburnum growing wild, was 
in the woods around the Lake of Albano. 
4 
Cytisus LaBuRNUM. 
var. Adami or purpurascens. 
Loudon v. 2, 520. 
One planted 1869, on west side of pleasure Cytisus 
aburnum., 
ground, flourishing in 1877. Has flowered pretty 
freely for some years past; but the flowers are 
very inferior in beauty to those of the Laburnum. 
If worth cultivating at all, it is only as a curiosity. 
The curious sport or anomaly in the character of 
the flowers of this variety, first observed by 
Mr Rivers in 1836°(see Loudon), has since 
occurred several times, and in various places; 
that is to say, a plant of this hybrid has produced 
some flowers of the true character of the Labur- 
num, and others agreeing both in colour and 
