POLYGALEAE 
121 
Polygala 
Carina with a much divided usually showy crest. 
Branches often nearly leafless ; leaves mostly minute. 
Flowers < 3 Is. long. macra, DC. 
Flowers > 3 Is. long. refracta, DC. 
Branches leafy ; leaves well-developed. 
Leaves not keeled, the margins often recurved, mostly 1 1. or more broad. 
Flowers < 4 Is. long. Dodii, Schltr. 
Flowers > 6 Is. long. 
Shrub ; racemes short, usually < 6-fld. myrtifolia, Linn. 
Herbs or subshrubs ; racemes elongated, > 6-fld. 
Lateral petals with one long and one short lobe, bracteolata, Linn. 
Lateral petals not 2-lobed. virgata, Tliunb. 
Leaves + keeled, <11. broad. 
Peduncles erect or erect-spreading, terminal. 
Lateral petals usually bifid ; capsule not toothed at the apex. 
ericifolia, DC. 
Lateral petals not bifid ; capsule 2-toothed at the apex. Garcini, DC. 
Peduncles horizontal or deflexed, lateral. refracta, DC. 
Mundtia 
spinosa, DC. 
Muraltia 
Flowers sessile. 
Ovary and capsule without horns. ciliaris, DC. 
Ovary and capsule horned. 
Upper leaves distinctly broader than lower leaves. 
Lateral petals hatchet-shaped; pubescence of long white spreading- 
hairs. phylicoides, Thunb. 
Lateral petals not hatchet-shaped ; pubescence appressed. 
Branches slender trailing prostrate. diffusa, Burch. 
Branches robust, more or less ascending. 
Upper broader leaves densely crowded at ends of branches. 
alopecuroides, DC. 
Upper broader leaves not densely crowded at ends of branches. 
thymifolia, Thunb. 
Upper leaves not distinctly broader than lower leaves. 
Primary leaves oval, ovate or ovate-lanceolate. 
Leaf margins revolute ; mid-rib hairy beneath ; sepals longer than 
lateral petals. serpylloides, DC. 
Leaf margins not revolute; adult leaves glabrous; sepals shoitei 
than lateral petals. 
9—2 
