156 LEGUMINOSAE. 
CORONILLA. 
(Family Leguminosae). 
Shrubs (or often herbs): de- 
ciduous. Twigs moderate or slen- 
der, zig-zag, angled or ribbed, gla- 
brous, green: pith round, white, 
very soft (and sometimes cham- 
bered?). Buds solitary, sessile, 
with a pair of outer scales, ovoid, 
more or less covered by the 
strongly 3-ribbed leaf-cushion, the 
end-bud lacking. Leaf-scars alter- 
nate, 2-ranked, much _ raised, 
rounded: bundle-trace 1: stipules 
persistent as supplementary scales 
of the bud or forming narrow © 
transverse lines on the stem. 
Winter-character references:— 
Coronilla Emerus. Fant, 27, f. 
25; Schneider, f. 70, 139; Will- 
komm, 7, 44, f. 74. 
1. Low and trailing. C. viminalis. 
Bushy. 2. 
2. Twigs very slender (1 mm.), glaucous. (1). C. glauca. 
Twigs stouter, green. 3. 
3. Twigs sharply lined or fiuted. 
(Scorpion senna). (2). C. Emerus. 
Twigs less evidently lined. C. emeroides. 
