LEGUMINOSAE. 



137 



CERCIS. Redbud. Judas Tree. 

 (Family Leguminosae). 



Shrubs or small trees: decidu- 

 ous. Twigs moderate, zig-zag, 

 subterete: pith roundish, contin- 

 uous, pale or pinkish. Buds gla- 

 brous, superposed, the upper 

 slightly stalked, the lower sessile 

 and covered by the top of the 

 leaf-scar, ovoid or obovoid, with 

 2 or, in case of flower-buds, sev- 

 eral often keeled scales, the end- 

 bud lacking. Leaf-scars alternate, 

 2-ranked, somewhat raised, ob- 

 tusely triangular, with decurrent 

 ridges, fringed at top: bundle- 

 traces 3: stipule-scars lacking. 



Winter-character references: 

 C. canadensis. Blakeslee & Jar- 

 vis, 332, 518, pi.; Brendel, 27, 30, 

 pi. 4; Hitchcock (1), 4, (3), 12, 

 (4), 185, f. 41; Otis, 166; Schnei- 

 der, f. 91. C. chinensis. Shira- 

 sawa, 245, pi. 4. C. Siliquastrum. Schneider, f. 91. 



Though the Old World species of Cercis are not success- 

 fully grown in the interior of the country, the native redbud 

 (C. canadensis) is much planted, and, with Cornus florida, it 

 makes a most effective combination in the native forest. 



1. Buds short (2-3 mm.). 2. 



Buds elongated (5 mm.), closely appressed, acute. 



(Judas tree). C. Siliquastrum. 



2. Buds ovoid or obovoid, blunt: twigs reddish. 



(Redbud). (1). C. canadensis. 

 Buds acute: twigs greenish. C. chinensis. 



