GERANIACEAE 
1 75 
Leaflets entire or rarely with one or two divisions. 
Leaflets lanceolate or ovate, + acute ; petals with a deeply- 
coloured spot in the middle. astragalifolium, Pers. 
Leaflets broadly ovate, obtuse ; petals with deeply-coloured veins. 
pinnatum, Linn. 
Leaflets cut up into numerous narrow segments. rapaceum, Jacq. 
Leaves not compound, usually deeply cut or cut and entire on the 
same plant. 
Entire leaves not present, leaf-segments narrow-linear, often 1 in. 
long. barbatum, Jacq. 
Entire leaves usually present, leaf-segments linear or ovate. 
Leaves hirsute with long white hairs hirsutum, Ait. 
and var. melananthum, Harv. 
Leaves glabrescent or shortly pubescent. 
Leaves ovate, oblong or lanceolate, tapering at both ends. 
Umbel 3 — 9-fld. longifolium, Jacq. 
Umbel 10 — 20-fld. angustifolium, Thunb. 
Leaves subrotund, often 3-lobed. revolutum, Andr. 
Petals 2. marginatum, R. Knuth. 
Stems appearing above ground, prostrate or scrambling ; leaves usually 
> 3 ins. wide. 
Stems long and scrambling, much swollen at the nodes; leaves nearly 
glabrous. gzbbosum , A\ did. 
Stems not as above ; leaves usually densely pubescent. 
Leaves cordate at base, 3-lobed, 3-partite or 3-foliolate. 
lobatum, Willd. 
Leaves pinnately decompound. 
Ultimate leaf-segments ^ 1. wide or less. jlavum, Ait. 
Ultimate leaf-segments > £ 1. wide. triste, Ait. 
Roots not tuberous. 
Stems thick, older parts bearing the persistent petioles with adnate stipules; 
leaf-segments very fine and hairy. hirtum , Jacq. 
Stems and leaves not as above. 
Nerves on the sepals dark and conspicuous. 
Perennial ; upper petals much longer than the lowei. 
Leaves canescent and silky on both sides. caudicaus, >Spi cn^. 
Leaves glabrous or pubescent, not silky. 
Annual ; lower petals nearly as long as upper petals. 
and vars. 
seneciotdes, Lher. 
Nerves on the sepals not dark and conspicuous. 
Flowers < 4 Is. long; petals usually very little longer than the sepa s. 
A. B. H. 
