582 
arven’sis. 
TETRADYNAMIA. SILIQUOSA. Sinapis. 
plant from that of Lightf. and Pet. It corresponds exe 
actly with some of my specimens of B. muralis. Sr. 
Very much accords with S, murale in the size of the plant, 
Yéaves, flowers, and fruit. Root perennial. Leaves with almost 
winged clefts, being divided more than half way to the mid-rib, 
strap-shaped, beset with a few hairs; wings remote, bluntish, 
mostly 7. Sta/ks upright, smooth, Ca/. closed. Petals yel- 
low, entire. Linn. Stems smooth, reclining, from the centre of 
the leaves; 10 or 12 inches long, with commonly one Jeaf to. 
wards the base. Root-Jeaves with generally a few scattered 
hairs, especially about their leaf-stalks ; «wings 5 or 6 pair, oval, 
pointed, deeply indented, some alternate, some opposite, increas- 
ing in size towards the end, the terminating one larger, with 3 
SINA’PIS, Cul. expanding : 4/oss. claws upright: 
glands between the shorter stamens and the 
pistil, and between the longer stamens and 
the calyx: pod beaked, opening; valves 
shorter than the partition, 
S. Pods with many angles, swoln and bunched out by the 
seeds: smooth, longer than the 2-edged beak. 
‘Curt. 321-Fl, dan. 753-Fuchs, 257-F. B. ii. 844—Dode 
675. 1-Ger. em, 233. 2-Ger. 199-Lob. obs. 99. 1, and 
2. ig 198. 2—Park. 862. 3-H. ox. iii. 3.7—Pet, 452 12 
Seeds brown. 
* The different species afford nourishment to the Papilio Brassitds 
Rapa, and Napi; Phalena fuliginosa; Aphis Brassice; and Chrysomela 
Hyoscyami, : 
