SrSAPIS. — ALYSSUM. 
33 
2. S. arven'sis (L.) ; pods siibci/lindrical knotty longer than the 
conical compressed beak, valves 3-veined, 1. ovate the loM ermost 
sublyrate stalked, upper 1. sessile. — E. B. 1748. B. ii. 86. 
B. sinapisti~um (Boiss.). — Scabrous. Fl. large, yellow. Pods 
glabrous or rough with deflexed bristles ; beak with one seed ; 
valves with faint intermediate veins. Stem 1 — foot high. — 
Corn-fields. A. VI.— VIII. Charlock. ' E.S.I. 
+3. S. al'ha (L.) ; pods cylindrical knotty snorter than th' 
swordshaped 'jm^-, valves 5-veined, 1. lyrate pinnatifid irregularly 
lobed.— iT. fi. 1677. i?.ii. 85. i?.a/6a (Boiss.).— Fl. large, yellow. 
Pods hispid. St. 1 — 2 feet high. — Cultivated and waste cal- 
careous land. A. VII. White Mustard. E. S. I. 
[^'. incana (L.) ; pods adpressed thick prominently veined 
with a short l-seeded beak, 1. lyrate hispid, stem-1. linear-lan- 
ceolate, St. much branched. — E. B. S. 2843. B. adpressa (Boiss.). 
— St. 1—3 feet high, branches divaricate with few very small 
leaves. Pods very short, glabrous or haiiy, often scarcely 
longer than their glabrous beak. — Sandy places in Jersey and 
Alderney. B. VII. VIII.] 
14. DiPLOTAXis DC, Wall-Mustard. 
1. D. tsnuifdlia (DC.) ; st. woody bdovj branched subglabrovs 
leafy, 1. glaucous linear-lanceolate very acute sinuate-dentate or 
pinnatifid. segments linear remotely dentate, ped. verj' long, 
pet. roundish-obovate with a short claw. — Sinapis Sm. £. B. 
525. — Fl. large : pet. blunt but slightly acuminate. St. 1 — li 
foot high. Plant foetid.— Old walls. P. VIL— IX. E. S. L 
2. D. murdlis (DC.) ; st. herbaceous simple hispid and leaf 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) 1. all radical in a 
rosette and st. simple ; (2) /3. Babingtonii (Sy.), base of st. leafy 
with axillary branches.— Waste ground. A. VIII. IX. E. S. ? I. 
Suborder II. Latisepto.. Tribe IV. Alyssinece. 
15. Alys'sum Linn. 
*1. A. alyssdides (L.) ; herbaceous hoary with starry pubes- 
cence, 1. obovate-lanceolate attenuate below, pods orbicular 
C 
