BEASSICA. — SINAPIS. 31 



2. B. campes'tris (L.) ; radical 1. glaucous hispid lyrate-den- 

 tate, st.-l. glabrous ovate-lanceolate auricled clasping, fl, sut- 

 corymbose. — a ; fl. pale orange (Rape). — /3. B. Rapa (L.) ; not 

 glaucous, fl. bright yellow {Tiwnip). — y.B. Napus (L.?) ; glau- 

 cous, fl. yellow {Rape) or buff (Sweed). Root-1. of all hispid. 

 — See Watson and Dyer in .7. o/' A vii. viii. andix. — ^Fields and 

 riverhanks. A. or B. VII. VllI. E. 



** Valves of pod 3-rzbbed; beak 1 — 3-seeded. 



3. B. monen'sis (E. Br.) ; 1. stalked all deeply pinnatifld, lobes 

 oblong imequally toothed those of the upper I. linear. — E. B. 

 962. — Fl. yellow. St. usually prostrate, glabrous. L. glabrous. 

 — fi. B. Cheiranthus (Till.) ; St. 1 — 3 ft. high erect leafy hispid 

 below, 1. hispid. B. B. S. 2821. — On the western coasts, rare. 

 B. or P. VI.— VIII. E. S. 



13. Sina'pis Linn. Mustard. 



1. S. nigra (L.) ; pods quadrangular adpressed, beak short 

 sterile subulate, valves 1-veined, lower 1. lyrate, terminal lobe 

 large and lobed, upper 1. lanceolate entire. — B. B. 969. R. ii. 

 88. — Fl. yellow. Lower 1. large, rough. — Willowy riverbanks,- 

 not common. A. VI. — VIII. Black Mustard. E. S. I. 



2. S. arven'sis (L.) ; pods subcyhndrioal knotty longer than the 

 conical compi-essed heak, valves 3-veined, 1. ovate the lowermost 

 sublyrate stalked, upper 1. sessile. — E. B. 1748. R. ii. 86. — 

 Scabrous. Fl. large, yellow. Pods glabrous or rough with 

 deflexed bristles ; beak with one seed ; valves with faint inter- 

 mediate veins. Stem 1 — 1 J foot high. — Com-fleldS; A. VI. — 

 VIII. Charlock. E. S. I. 



t3. 8. al'ha (L.) ; pods cylindrical knotty shorter than the 

 stoordshaped beak, valves 5-veined, 1. lyrate pinnatifld irregularly 

 lobed.— ^. B. 1677. R. ii. 85.— Fl. large, yellow. Pods hispid. 

 St. 1 — 2 feet high. — Cultivated and waste calcareous land. ' A. 

 VII. White Mustard. E. S. I. 



\_8. inedna (L.) ; pods adpressed thick prominently veined 

 with a short 1-seeded beak, 1. lyrate hispid, stem-1. linear-lan- 

 ceolate, St. much branched. — E. B. S. 2848. — St. 1 — 3 feet high, 

 branches divaricate with few very small leaves. Pods very short, 

 glabrous or hairy, often scarcely longer than their glabroxis beak. 

 — Sandy places in Jersey and Alderney. B. VII. VIII.] 



