120 TETRADYNAMIA SILIQUOSA, Sinapis. 
dicelsexpanding. Calyx linear,expanding, Petals obovate, 
bright yellow. Stamens longer than the claws of the petals. 
Siliques linear, straight, expanding, from one to two inches 
long, turgid at the seeds, otherwise smooth, somewhat verti- 
cally compressed ; beak very short, one-sixth the length of 
the silique, tapering. ‘toa point. Seed in each cell, one row, 
and rather remote, round, dark brown, beautifully rugose. 
4. 8. brassicata, Willd. iii. 555, 
Annual, Radical leaves long-petioled, obovate, almost en- 
tire ; the superior ones stem-clasping. Calya longer than the 
claws of the petals ; the two shorter stamens nearly hid. . 
Chin, Pak-tsoi. . 
Is a native of China, from thence the seeds were procured, 
sent to the Botanic garden by Mr. John Miller. _ 
Root in Bengal annual. Stem scarcely any, till in blossom, 
and then the whole plant is uncommonly ramous, and from 
four to six feet high in our rich soil of Bengal. Leaves, the 
radical ones obovate and oval, generally entire, recurved, 
pretty long, erect, somewhat incurved, smooth, shining, with 
white petioles, margins waved, sometimes a little lobate, or 
even lyrate toward the base, smooth on both sides ; nerve 
and veins white like the petioles; stem and floral leaves — 
stem-clasping, linguiform or lanceolate, obtuse, generally en- 
tire. Inflorescence as in the common cabbage. Flowers nu- 
merous, large, ofa bright yellow. Calyx ; leaflets linear, ob- 
 tuse, concave, rather longer than the clawsof the petals, Sta- 
mens the shorter pair nearly hid within the tube formed by 
the claws of thie petals, with the apices of their anthers recurv- 
ed, while the apices of the superior four are incurved over 
the stigma. Style rather shorter than the four long stamens. 
Siliques expanding, on pedicels half their length, sub-cylin- 
dric, smooth; beak one-third their length, tapering. Seed 
round, dark eh pecan int rugose, 
