Virgilia lutea 
Spartium 
Junceum 
Cytisus 
Laburnum 
6 ARBORETUM NOTES. 
LEGUMING@=S2Z:. 
In May, 1875, I saw several trees of this species 
in flower in the Jardin des Plantes at Paris. 
They were much larger trees than ours; I dare 
say nearly 20 feet high; the flowers pure white, in 
long, lax, pendulous racemes, not unlike those 
of the common white Robinia, but the racemes 
thinner, and the individual flowers larger. The 
bark of the trunk blackish. 
This species was separated from Viurgilia and 
named Cladrastis, by an author of the name 
of Rafinesque; and he has been followed in this 
by Torrey and Gray (Flora of N. America) and 
by Bentham and Hooker (Genera Plantarum). 
These latter authors, however, remark that both 
Cladrastis and Calpurnia might perhaps be better 
considered as sections of Virgilia. Those who 
admit Cladrastis as a genus, restrict the name 
Virgilia to the one South African species, Virgilia 
Capensis. 
SPARTIUM JUNCEUM.—Loudon, v. 2, 576. 
All the plants of this species at Barton, of which 
there were several of considerable age and size, 
were killed by the winter of 1860-61. 
Cytisus Lasurnum.—Loudon, v. 2, 590. 
The Laburnums here do not appear to have 
