354 DECANDRIA MONOGYNIA. SeWia. 



Stipules at the base cordate, tapering to an acute point. 

 Peduncles above the axils, one or two, one-third the 

 length of the leaves, one-flowered. Bractes one or more 

 embracing the base of the peduncle, and two opposite 

 near the apex. Flowers yellow, the stamens being much 

 shorter than the pistil, bow till the germ is impregnated. 

 Stamens ten, nearly equal. Legume erect, linear, flat, 

 from fifteen to twenty-seeded. 



Note. It is at first sight very much like S. prostratahxit 

 on examination they prove very different. The leaves are 

 considerably more sensitive than any other of this genus 

 that 1 know. 



22. S. tenella. R- 



Biennial, erect, ramous. Leaflets from fifty to sixty 

 pair, minute, linear-lanceolate mucronate, a flat gland 

 between the lower pair. Pet ivies sharp-edged and crenu- 

 late on the upper side. Flowers one or two, rarely three, 

 above the axils. Anthers ten, all fertile. Legume from 

 ten to twelve-seeded. 



It is a native of the interior parts of Bengal, and from 

 thence was introduced into the Botanic garden at Cal- 

 cutta, by Dr. W. Carey in 1799, w here it blossoms during 

 the rains, and the seeds ripen during the cold season. 



Root about biennial in the Botanic garden at Calcutta. 

 Stem erect, slender, with many expanding, slender, bifa- 

 rious, somew hat hairy branches, height of the whole plant, 

 in a good soil from tw o to three feet. Leaves alternate, 

 bifarious, pinnate, from two to three inches long. Leaflets 

 from forty to sixty pairs, very small, lanceolate, mucro- 

 nate, and smooth. Petioles villous, with the upper-edge 

 sharp and crenulate, and a large flat gland at the lower 

 pair of leaflets, ^fipw/es semilanceolate, acute. Peduncle, 

 common, a little above the axils, short, each bearing in 

 succession two or three, pretty large, bright yellow flow- 

 ers on long pedicels. Bractes one at the base of each 



