GENERA AND SPECIES. 
A small shrub, with the branches sometimes twining ; 
flowers blue in corymbs or sessile clusters; leaves 
lanceolate, flat; sepals lanceolate or ovate ... 
Cheiranthera. 
An erect glabrous undershrub about lft.; flowers blue, 
large, in corymbs; leaves linear, usually flat 
A slender twiner; flowers blue, solitary, stalked; leaves 
linear with involute margins ... 
ORDER POLYGALEAE. 
Inner sepals large and petal-like ; anthers 8. 
Lateral petals united with the crested lower petal ; 
capsule sessile ; seeds hairy or glabrous 
Lateral petals ttogl to the staminal column, ius 
distinct from the plain lower petal ; capsule usually 
stalked ; seeds hairy or hair-tufted (coma) 
Polygala. 
An annual with stalked orbicular leaves ; flowers blue ... 
Comesperma. 
Capsule sessile, cuneate-obovate ; seeds slightly hairy. 
Small shrub with erect, rigid, leafless branches 
Capsule narrowed at the base ; seeds with a long coma. 
Outer sepals free, shorter than the inner. 
Stems twining, almost leafless ; flowers blue or 
white in axillary or terminal racemes... 
Erect shrub; leaves glaucous, oblong, mucronate 
Erect viscid shrub; leaves lanceolate-ovate ; 
inner petals yellow ee 
Outer sepals free, as long as the inner. 
Glabrous perennial with erect leafy stems about 
lft.; leaves linear to elliptical or oblong 
flowers small, blue, in slender racemes 
Two outer sepals united; flowers pink; otherwise 
very similar to C. calymega ... : 
ORDER ELATINEAE. 
Sepals membranous, blunt; outer yee of fruit mem- 
branous; floral parts in 3's 
Sepals herbaceous, pointed ; outer pores, Be fee Pies 
hard; floral parts in 4’s or 5’s ... 
21 
cymosa 
linearis 
volubilis 
Polygala 
Comesperma 
Chinensis 
scoparium 
volubile 
syluestre 
viscidulum 
calymega 
polygaloides 
Elatine 
Bergia 
