36 
O. CRUCIFERS. 
the fi.\ pouch compressed deeply and distinctly 2-lobed granu- 
late or reticulato-rugose widely notched at the top and bottom, the 
lobes turgid splitting asunder but not discharging the seeds, 
style very short. — Sm. E. FL iii. 180 ; Koch 80 ; Bab. 33. Le- 
pidium didymum EB. t. 248. S. pinnatifida DC. i. 203 ; AVB. 
i. 95. Coronopus didymus Spr. Syst. ii. 853. 
/3. pinnatifida DC. 1. c. ; lobes of 1. 3-4-partite. — Herb. ann. 
Mad. reg. 1, 2, ccc. ; PS. reg. 1, 2, c. Boadsides, streets, on 
walls, in waste ground in Madeira everywhere ; less common in 
PS. ; has not occurred in the Dezertas. Jan.-June. — St. at first 
prostrate then procumbent or diffuse a foot long or more and 
with the fl. -stalks more or less hairy, the rest of the pi. mostly 
smooth. L. dark green elegantly pinnate and flattened, the 
lobes usually deeply 3-toothed in front. Fl. white very small 
and numerous in dense rac. abundantly produced opposite the 
1. often apetalous and diandrous. Pouches pale green or yel- 
lowish erecto-patent deeply and widely notched, the lobes join- 
ing only in their middle and easily separating. PI. fetid when 
bruised. — In a young state growing between the stones in a dry 
paved road it assumes sometimes a very peculiar and anomalous 
appearance, producing little sessile whitish or hoarv and woolly 
globose rooting buds (gemmae or stolons) much resembling the 
flowering heads of Trifolium tomentosum L. or T. resupina- 
tum L. 
Suborder IV. SILICULOSyE NU CUMENTACEzE. 
Tribe VIII. Isatidea. 
19. Isatis L. 
fl. I. PRiECOX Kit. Pastel. 
More or less glaucous and hairy-pubescent ; lower 1. stalked 
oblong, upper 1. sessile sagittate; pouches smooth oblong or 
slightly fiddle-shaped obtuse or rounded at each end, rarely or 
but slightly narrowed or attenuated at the base, twice as long 
as broad, tumid and corky towards the margins which are 
slightly winged. — DC. ! Syst. ii. 568; Prod. i. 210. I. tinctoria 
y. prcccox Koch 81. I. bannatica RFG. ii. t. 4. f. 4177 b. I. 
tinctoria Buch ! 196. no. 322 (not Linn.). — Herb. ann. Mad. 
re£. 1,2; ccc. Waste rocky ground in sunny places everywhere, 
especially near the sea. Spr. ; but at almost all seasons. — St. 
2-3 ft. high very erect virgate branching upwards into a large 
panicle. Lower 1. large generally creuate and waved, upper 
more entire. Fl. small verv numerous and with the smaller 
subdivisions and uppermost bracts of the large spreading pani- 
cle bright golden-y. Pouches pendulous, in all stages smooth, 
shining violet or steely blackish, rarely somewhat cuneate and 
