VII. CRUCIFERS 
31 
Mowers white or pale yellow, in racemes. Sepals short, erect, 
lateral ones slightly saccate. Petals clawed. Stigma nearly 
sessile. Pods linear, long, flat. Seeds in one row or in two ; 
radicle accumbent. 
Basal lobes of stem-leaves pointed. Seeds in two rows . 1 . A. glabra. 
Basal lobes of stem-leaves obtuse. Seeds in one row 
Leaves stellately hairy, lower surface green . . 2. A. alpina. 
Leaves glabrous or nearly so, lower surface white . 3. A. amplexicaulis. 
1. Arabis glabra, Bernh. ; FI. Br. Ind. i. 135. Glabrous except 
the radical leaves, glaucous. Stem stiff, 2-4 ft. Leaves oblong- 
lanceolate : radical stellately hairy, 3-4 in., sinuate-toothed, soon 
disappearing ; stem-leaves glabrous, entire, basal lobes pointed, 
lower leaves 3-6 in., upper gradually smaller. Flowers small, 
white or pale yellow. Pods erect, 2-3 J in. Seeds in two rows. 
Narkunda ; May-July. — W. Himalaya, 6000-10,000 ft. — Australia, N. 
temperate regions ; closely allied to the British A. perfoliata , Tower Mustard. 
2. Arabis alpina, Linn. ; FI. Br. Ind. i. J35. More or less 
covered with forked or stellate hairs. Stems 6-18 in. Leaves 
oblong-lanceolate, obtuse, toothed rarely entire : radical 1-4 in., 
crowded, spreading ; stem-leaves smaller, basal lobes obtuse. 
Flowers white, \ in. diam. Pods 1J-2 in., erect, ultimately 
spreading. Seeds in one row. (Fig. 10.) 
Simla ; March, April. — W. Himalaya, 5000-12,000 ft.— N. arctic regions 
and high mountains. 
