122 TETRADYNAMIA SILIQUOSA, Sinapis. 
six feet. Léaves radical and cauline, petioled, erect, obovate, 
cuneate, serrate-dentate, slightly rugose, and destitute of pu- ; 
bescence, those about the top of the plant are sessile, linear- . 
laticeolate, recurved, and entire. Petioles generally colour- 
ed, smooth, nearly round, and deeply channelled, Racemes 
terminal,erect. Flowers numerous, small, ofa bright yellow. — 
Calyx expanding, longer than the claws of the petals, Pe- 
tals with broad claws, and obovate, spreading lamina, Sta- 
mens, the four larger considerably longer than the claws of 
the petals, Siliques short-peduncled, expanding, linear, ob- 
scurely four-sided ; beak short and subulate. - Seeds from ten 
to twenty in each cell, round oval, obscurely pitted, dark 
brown. 
7. S. rugosa. R. ; 
_Anpual, Baskoad and compline, mae See me ragose, 
with the posterior margin laciniate, and the anterior one den- 
tate; nerve very broad, and dividing above the middle like 
the ribs of a fan; floral leaves linear and entire. Siliques ex- 
panding, torose, short, subulate, beaked. Seeds round, ches- 
nut-coloured, : 
The seeds of this very stately species were sent from Ne- 
pal by Dr, Buchanan to this garden, where the plants grow 
luxuriantly during the cold season, and ripen their seed in 
March. Dr. Buchanan remarks that he received the seeds 
from Thibet. ‘ 
Stem ania si any ‘in the ola oc to iscsi: ashen. it 
shable up quickly, to four, five, or six feet in height, with an 
expanding, ramous branch from the axill of each leaf, all — 
round and’smooth, Leaves, the radical ones are petioled, very 
rugose, and disposed somewhat spirally, which disposition is 
particularly conspicuous while young ; the cauline leaves are 
shorter petioled, or even sessile; the posterior margins of both | 
the radical and cauline leaves variously and deeply jagged; : 
the anterior margin dentate; the nerve is remarkably Cone ; 
pressed, ribbed, and broad, armed with a few inoffe i 
