VII. CRUCIFERS 
38 
3. Cardamine impatiens, Linn . ; FI. Br. Ind. i. 138. Stem 
erect, 6-18 in., stiff. Leaves 3-4 in., radical few or many ; base of 
the stem-leaves dilated and furnished with two long, stem-clasping 
lobes ; segments 7-15, sometimes alternate, those of the radical 
leaves ovate, obtusely lobed, of the stem-leaves longer, lanceolate, 
entire. Flowers white, in. long, crowded. Petals shorter than 
the sepals, nearly erect. Pods J-l in., pointed, erect. 
Simla, common ; March-May. — Temperate Himalaya, 5000-12,000 ft. — 
Temperate Asia, Europe (Britain). 
The ripe pods explode elastically, jerking out the seeds and curling up the 
valves. 
4. Cardamine macrophylla, Willd . ; FI. Br. Ind. i. 139. 
Perennial ; rootstock creeping. Stems erect, 1-2 J ft., robust. 
Leaves 6 in. : radical few, soon disappearing, segments usually 9, 
1^-3 in., irregularly sharply and deeply toothed, ending in a long, 
nearly entire, tail-like point ; segments of the stem-leaves smaller 
and more numerous. Flowers white or tinged with violet, nearly 
\ in. long, crowded. Petals more than twice as long as the sepals, 
spreading. Pods j-l in., erect at first, ultimately spreading. 
Sungri, near Narkunda ; June. — Temperate Himalaya, 7000-12,000 ft.— N. 
Asia, Japan. 
5. SISYMBRIUM. A Greek name for some kind of Water- 
cress. — Temperate regions in most parts of the world. 
Annual or biennial herbs, glabrous, or slightly hairy. Stems 
erect. Leaves simple or pinnately lobed, 2-3-pinnatisect : radical, 
rosulate, often soon disappearing ; stem-leaves sessile or stalked. 
Flowers j in. or less diam., white, pale pink or yellow, in racemes. 
Sepals erect, bases equal or the lateral slightly saccate. Petals 
clawed. Stigma nearly sessile, obscurely 2-lobed. Pods linear, 
long, terete or slightly flattened. Seeds in one row ; radicle in- 
cumbent except in S. Thalianum. 
Leaves undivided, toothed, sinuate or nearly entire. 
Stem-leaves stalked. Flowers white . . . . 5. S. Alliaria. 
Stem-leaves sessile. 
Flowers white. Pods f-l in. . . . . . 1. S. Thalianum. 
Flowers pink. Pods 1^2 in 2 . S. strictum. 
Leaves pinnately lobed ; lobes broad. Flowers white or pink 3. S. Wallichii. 
Leaves 2-3-pinnatisect ; segments thread-like. Flowers 
yellow . . . . . . . . • . 4. S. Sophia. 
1. Sisymbrium Thalianum, J. Gay ; FI. Br. Ind. i. 148. 
Slightly hairy, hairs scattered, spreading, simple, forked or stellate. 
Stems 6-12 in., slender, branching. Leaves undivided ; radical 
ovate, 1-2 in., toothed or nearly entire, obtuse ; stem -leaves few, 
distant, narrowly oblong, 1 in. or less, sessile, base not lobed. 
D 
