Leguminose—Lupinus. 117 
with 5 to 7 narrow lanceolate acute hairy leaflets and normally 
lilac and blue flowers. There are, however, variously coloured 
varieties of this and L. afftnis, including white, yellow, various 
shades of violet and blue in different combinations. A native 
of California. 
6. L. varius. - A Mediterranean species with variable but 
usually dark blue flowers. 
Many more species might be included, but this would serve 
no useful purpose, especially as there is great confusion in 
the nomenclature. 
5. ADENOCARPUS. 
A small genus of dwarf branching shrubs closely allied to 
Cytisus, but distinguished from that and the neighbouring 
genera by the linear compressed pod being clothed with 
glandular prickles; hence the name, from déyv,a gland, and 
xapTrés, a fruit. All, except one or two tropical African species, 
from the Mediterranean region. The species are rarely seen 
in gardens, and only hardy in the South-west of England. 
1. A. intermédius.—Leaves small, trifoliolate. Flowers 
yellow, racemose, very much resembling those of the smaller 
flowered Brooms. Spring. 
6. LABURNUM. 
Technically distinguished from the neighbouring genera by 
the stalked pod with fleshy or winged sutures and estrophiolate 
seeds. Three species only are referred to this genus, from 
the South of Europe and Asia Minor. The ancient Latin 
name. 
1. L. vulgare (fig. 67), syn. Cytisus Labirnum. Common 
Laburnum.—This showy flowering tree is probably more 
familiar than some of our native trees, and certainly nothing 
can exceed the beauty of the pendulous racemes of bright 
yellow flowers with which it is so profusely clothed during the 
month of May. There are several varieties in cultivation, 
which differ from the ordinary type in having larger flowers, 
in the form of the foliage, ete. Alschingéri, autumndle, 
crispum and Parks, are amongst the best of the many 
varieties in cultivation. 
The Purple Laburnum, L. Adami, is a hybrid between this 
and Cytisus purpiireus. The flowers are of a dull purplish 
colour, in long pendulous racemes like the common one, and 
