Pet. generally 4, 4- deciduous. Sta. 00, or 4 
(or apparently 6). Carp. (2 — 16); ovary i-celled, or 
falsely 2 — 4-celled; ovules 00, anatropous, on -f 
projecting parietal plac., or solitary and basal. Fr. 
a capsule or nut. Seeds endospermous. 
In Britain, this is more commonly arranged as two 
families — PAPAVERACE^, with abundant latex, actino- 
morphic flow., usually nodding in bud, and crumpled pet. ; 
sta. 00 ; carp, mostly 00 1 plac. parietal ; fr. a capsule ; 
endosperm oily — and FUMARIACEi^), sometimes climbers, 
without latex ; flow, mostly transversely zygomorphic ; sta. 
definite ; carp. (2) ; fr. a nut with solitary and basal seed, or 
a capsule with 00 parietal seeds. 
PAPAV. Chelidonium, Glaucium, Meconopsis, 
Papaver, \Eschscholtzia, Sanguinaria, Roemeria, 
Bocconid]\ and FUMAR. Corydalis, Fumaria, 
[Dicentra ( = Dielytra) y Hypecoum.'^ 
Family 38. CRUCIFER^. Herbs. Lea. spiral, 
simple, exstipulate. Flow, racemose, without 
bracts (except in Erucastrum), ^ , actinomorphic. 
Sep. 2 f2. Pet. 4. Sta. 2 (short) + 4 (long), i.e,, 
tetradynamous. Carp. (2) ; plac. parietal, with false 
partition. Fr. a capsule (silique, silicule or lomen- 
tum). Seeds nearly or quite exendospermous, often 
oily and containing much sulphur. 
Matthiola, Cheiranthus, Nasturtium { = Radicula)y 
Barbarea, Arabis, Cardamine, Dentaria, Sisym- 
brium, Alliaria, Erysimum, Brassica (incl. 
Erucastrum), Sinapis, Diplotaxis, Draba (incl. 
Erophila), Cockle aria (incl. Armoracia), Thlaspi, 
Hutchinsia, Teesdalia, Iberis, Lepidium, Cap- 
sella, Subularia, Senebiera { = Coronopus)y Isa- 
tis, Crambe, Cakile, Raphanus, [Malcolmia, 
Hesperis, Alyssum, Lunaria, Camelina.'] 
20 
