SINAIMS. 
2:. 
B. Rapa Litm. E. B. 217(>. R- 4437- — Borders of fields. A. 
or B. V^I. VII. Wild Navew. B- Turnip. 
.‘1. B. Napvs (L.) ; lower 1. lyrate dentate glabrous, upper 1. 
oblong somewhat narrowed below with a dilated cordate semi- 
am])lexieaule base.—E. B. 2146. R. 4435. — “ Raceme elongated 
at the time when the fi. expand. Shorter stain, patent, ascend- 
ing.” FI. yellow. It is difficult to find any character by which 
to distinguish this jilant from the preceding. — Borders of fields. 
A. or B. V. VI. Rape, or Coleseed. 
4. B. nigra (Koch); 1. all stalked, lower 1. lyrate toothed: 
the terminal lobe large and lobed, ujijier 1. lanceolate entire, 
calyx sjireading horizontally, jwds adpressed to the stem.. — Sinapis 
Sm., E. B. !)69. R. 4427- — Pods quadrangular. FI. yellow. 
Lower 1. large, rough. — Iledgebanks and waste places. A. VI. 
— VIII. Black Mustard. 
14. Sinapis Linn. 
1. S. arvensis (L.); pods subcylindrical knotty longer than 
the conical compressed beak, valves 3-nerved, 1. ovate the lower- 
most sublyrate stalked, upper 1. sessile, calyx spi’eading horizon- 
tally. — E. B. 1748 . R. 4425. — FI. large, yellow. Whole plant 
scabrous. Pods glabrous or rough with deflexed bristles ; beak 
occasionally with 1 seed; valves with faint intermediate nerves. 
Stem 1 — l .v foot high. — Corn-fields. A. VI. VIII. Charlock. 
2. S. alba (L.); pods cy\m^[Y\cd4\ir^otty shorter than the sword- 
shaped beak, “ valves 5-nerved,” 1. lyrate jiinnatifid irregularly 
lobed, calyx spreading horizontally. — E. B. 1677- R- 4424. — 
FI. large, yellow. Pods hispid. St. 1 — 2 feet high. — Cultivated 
and waste land. A. VII. White Mustard. 
3. S. monensis (Bab.) ; pods slightly tetragonous, valves 
3-nerved, beak 1 — 3-seeded, 1. glabrous stalked all deeply pin- 
natifid and mostly raffical : lobes oblong unequally toothed in 
the upper 1. linear, calyx erect closed, st. glabrous. — E. B. 962. 
Brassica Sm., Hook. — St. usually jirostrate. F'l. yellow. — On the 
western coasts. B. or P. ? VIII. E. S. 
4. ? S. Cheiranthus (Koch); pods cylinth-ical, valves 3-nerved, 
beak 1 — 3-seeded, 1. hispid stalked- all deeply pinnatifid : lobes 
oval-oblong unequally toothed in the ujiper 1. linear, calyx erect 
closed, st. hispid below. — E.B.S.2821. R. 4432. 4433. — St. 
1 — 3 feet high, erect, leafy. FI. yellow. A doubtful species. 
“ The bristles vary much in quantity on Merthyi- Tydfil speci- 
mens, and are entirely w'anting on those from Gower. They 
usually abound on the petioles and are not always absolutely 
wanting on the stems of S. monensis. Lobes of the leaves vari- 
able iu form.” Borr. — Sea-side burrows in Gower, and on cin- 
c 
