256 ARBORETUM ET FRUTICETUM BRITANNICUM. 
418. Gymnécladus canadénsis. 
this genus is nearly allied), are said to be wholesome, and slightly aperient. 
In Britain, the only use of the tree is for ornamental purposes ; and, con- 
sidered as an object of curiosity and beauty, no collection ought to be without 
it. A rich, deep, free soil is essential to the thriving of this tree; and sucha 
soil is never met with naturally in exposed situations. The tree is generally 
propagated by imported seeds; but it will grow freely from cuttings of the 
roots, care being taken in planting to keep that end upwards which is na- 
turally so. 
Genus XXII. 
CE/RCIS L. Tse Jupas Tree. Lin. Syst. Decdndria Monog nia. 
Identification. Lin. Gen., No. 510.; Dec. Prod., 2. p. 518. ; Don’s Mill., 2. p. 463. 
Synonymes. Siliquastrum Tourn. Inst. t.414., Maench Meth. ; Gainier, Fr.; Judasbaum, Ger. ; 
Albero de Giuda, Jial. f 
Derivation. From kerkis, a shuttlecock, the name given by Theophrastus to this tree. 
Gen. Char. Calyx urceolate at the base and gibbous, bluntly 5-toothed at the 
apex. Petals 5, unguiculate, all distinct, disposed in a papilionaceous manner ; 
the wings or side petals the largest. Stamens 10, free, unequal. Ovary on 
a short stipe. Legume oblong, slender, compressed, 1-celled, many-seeded, 
somewhat winged on the seminiferous suture. Seeds obovate. (Don’s 
Mill.) 
