94. SILVA OF NORTH AMERICA. LEGUMINOSZ. 
inces of central and northern China; Cercis Chinensis is also found in Japan, where it is thought to 
have been introduced. Of the North American species two are small trees, and the third, C. occiden- 
talis,' an inhabitant of the western foothills of the California Sierras, is a tall many-branched shrub.’ 
Cercis, bestowed on the European species by Linnzus, who discarded the Siliguastrum of Tourne- 
fort,’ is formed from xepxic, the Greek name of the tree, and derived from a fancied resemblance in the 
fruit to a weaver’s implement of that name. 
1 Gray, Jour. Bost. Soc. Nat. Hist. vi. 177 (Pl. Lindheim. ii.).— as peculiar to the genus in this country. This is the larva of a 
Torrey, Bot. Wilkes Explor. Exped. 283, t. 3.— Brewer & Watson, little moth Gelechia cercerisella, Chambers, said to be very common 
Bot. Cal. i. 160. in it, sometimes folding the leaves together (Canadian Entomolo- 
C. Siliquastrum, var., Bentham, Pl. Hartweg. 307, 361. gist, iv. 108). 
2 A few common insects, like the Web-worms, occasionally 8 Inst. 646, t. 414. 
attack Cercis in the United States, although only one is recorded 
CONSPECTUS OF THE NORTH AMERICAN ARBORESCENT SPECIES. 
Flowers in sessile clusters; leaves ovate, acute, cordate, or truncate at the base . . . . . J. C. Canapensis. 
Flowers fascicled or slightly racemose ; leaves reniform . . . . - + - +. +... & C. TExeEnsis. 
