30 6. CKUCirEEjE. 



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

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

 88. — Fl. yellow. Lower 1. large, rough. — Willovry riverbanks, 

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



2. S. arvm'sis (L.) ; pods subcylindrical knotty longer than the 

 conical compressed beak, valves 3-veined, 1. ovate the lowermost 

 sublyrate stalked, upper 1. sessile. — -E B. 1748. Ji. ii. 86. — Fl. 

 large, yellow. Whole plant scabrous. Pods glabrous or rough 

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

 intermediate veins. Stem 1 — IJ foot high. — Oom-fields. A. 

 M.— VIII. Charlock. E. S. I. 



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

 swordshaped leak, valves 5-veined, 1. lyrate pinnatifid 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. 



\_S. incdna (L.) ; pods adpressed thick prominently veined 

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

 ceolate, st. much branched. — K B. S. 2843. — St. 1 — 3 feet high, 

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

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

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



14. DiPLOTAx'is Cand. Wall-Mustard. 



1. Z*. tenuifdlia (DC.) ; st. woody helow branched mhfflabrotis 

 leafy, 1. glaucous linear-lanceolate very acute sinuate-dentate or 

 pinnatifid, segments linear remotely dentate, ped. very long, 

 ppt. roundish-obovate with a short claw. — Sinapis Sm. £. B. 

 5i!.5. — Fl. large ; pet. blunt but slightly acuminate. St. 1 — IJ 

 foot high. Plant fcetid.— Old Walls. P. VII— IX. E.S.I. 



2. D. murdlis (DO.) ; st. herbaceous simple hispid and leafy at 

 the base, 1. almost glabrous ovate-lanceolate sinuate-dentate or 

 pinnatifid, ped. as long as expanded flower, pet. roundish ovate 

 with a short claw. — Sinapis Sm. E. B. 1090. — Pedicels as long 

 as the flowers. Pet. abrupt or emarginate. L. often blunt, 

 never very acute. — We have two forms : (1) with the base of 

 St. leafy with axillary branches ; (2) 1. all radical in a rosette and 

 .St. simple.— Waste ground. A. VIII. IX. E. S. ? I. 



Suborder II. Latiseptce. Tribe IV. Alyssinece. 



15. AiYs'sTTM Linn. 

 »1. A. cahjclnum (Ij.) ; herbaceous hoary with starry pubes- 



