156 



LEGUMINOSAE. 



g 



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 fluted. 



(Scorpion senna). (2). C. Emerus. 

 Twigs less evidently lined. C. emeroides. 



