CLASS XV. 
petals longest ; eilicle many-seeded, emar- 
giiiate. (candytuft.) Ex. 
THT'sANOCAR''rus. Silicle obovate, pla- 
no-convex, broad-winged at both margins, 
emarginate at the apex, 1-celled, one seed 
ed ; seed broad-obovate, pendulous. Flow- 
ers small, and white. 
CoRONo'pus. Silicle reniform, compress- 
ed, wrinkled ; cells valveless, 1-seeded. 
■S. 
ORDER ir. SILTQUOSA. 
Denta'ria. Silique lanceolate ; valves 
flat, nerveless, often opening elastically ; 
receptacles not winged ; fanicle dilated ; 
seeds in a single series, ovate, not margin- 
ed ; cotyledons accumbent. (tooth-root.) 
Nastur"tium. Silique teretish, abbrevi- 
ated or declined ; stigma somewhat 2-lobed ; 
calyx equal at the ba.se, spreading ; seeds 
small, irregularly in two series, without 
margins. 
Turri'tis. Calyx converging, erect; 
silique very long, striate, 2-edged; valves 
keeled or nerved ; seeds arranged in a 
doable series; cotyledons accumbent. 
(tower mustard.) 
Cardam'^ine. Caljrx leaves spreading 
but little ; stigma entire ; a single gland 
between each of the short stamens and the 
calyx ; silique with truncate margins, 
linear, long, bursting elastically with revo- 
lute valves, narrower, but equalling the 
length of the partitions ; seed with a slen- 
der funicle, not margined. (American wa- 
ter-cress.) 
STREPTAN'^TiHUs. Calyx erect, colored ; 
petals dilated, having twisted, channeled 
claws; glands none; stamens with fila- 
ments subulate, and thickened at the base ; 
silique very long, angled, compressed ; seeds 
in one series, flat, margined ; cotyledons 
accumbent. 
Ar'^abis. Glands 4, one within each 
leafet of the erect calyx, of the size of the 
reflexed scale ; silique compressed, toru- 
lose, sub-divaricate ; valves flat, 1-nerved; 
seeds arranged in a single series ; cotyle- 
dons accumbent. (wall-cress.) 
Cheiran^thus. Calyx closed, two of the 
leafets gibbous at the base ; petals dilated ; 
silique, when f oung, with a glandular tooth 
each side ; stigma 2 lobed ; seed flat, some- 
times margined, (stock-july flower, wall- 
flower.) 
Ph(ENICAU'lis. Calyx colored, nearly 
equal at the base, much shorter than the 
entire unguiculate petals ; silique ensiform, 
acuminate, flat, not opening elastically ; 
cells about 3-seeded; valves with a promi- 
nent central nerve ; seeds large, in a single 
series, not margined. 
Sina'pis. Calyx spreading ; corolla with 
straight claws; glands between the short 
stamens and the pistil, and between the 
long stamens and the calyx ; partition ex- 
tending beyond the valves of the silique, 
ensiform , seeds in a siiigle series, (mus- 
tard.) 
Rapha'nus. Calyx closed, setose ; silique 
torose, terete, not opening by valves, 1 or 
2i2 
ORDER V. 55 
2-celled ; glands between the short stamens 
and pistil, and between the long stamemi 
and the calyx, (radish.) 
Wa'rea. Silique 2-celled, stiped, flat, 
with a seed-bearing margin on both sides , 
seed flattish, striate ; petals with long claws, 
spreading : calyx deflected, caducous, co- 
lored. 
Bras'^sica. Calyx erect, converging; 
partition extending beyond the valves of 
the sihque ; seed globose ; glands between 
the short stamens and pistil, and between 
the long stamens and calyx, (cabbage, 
turnip.) Ex. 
Barbare'a. Silique 4-edged ; cotyledons 
accumbent; seeds in a single row; calyx 
equal at the base, erect ; shorter lilaments 
with intermediate glands. (water-rad- 
ish.) 
Sisym'^brium. Calyx mostly spreading, 
equal at the base ; silique sub-terete; coty- 
ledons incumbent, sometimes obHque, flat, 
(hedge-mustard.) 
Ery simum. Nastur"tium. Silique eub- 
terete, often short ; valves concave, nerve- 
less, not keeled ; calyx equal, spreading ; 
cotyledons accumbent. (English water- 
cress.) 
Hes^'peris. Calyx closed, furrowed at 
the base, shorter than the claws of the pe- 
tals ; petals bent obliquely, linear or obo- 
vate ; silique 4-sided, 2-edged ; stigma sub- 
sessile of 2 lobes ; cotyledons incumbent, 
(rocket.) 
CLASS XV. MONADELPHIA. 
ORDER III. TETANDRIA. 
Sisiryn"chium. Spatha 2-leaved ; peri- 
anth 0 ; corolla superior, 6-cleft or 6-petal- 
led, tubular; style 1; stigma 3-cleft; cap- 
sule 3-celled. (blue-eyed grass.) 
Tamarin"dus. Petals 3, ascending; 3 
filaments longer ; legume 1 to 3-celled, 
pulpy inside, (tamarind.) Ex. 
Tigri'dia. Calyx 0 ; petals 6 ; tube made 
by the union of the filaments, long, (tiger, 
flower.) Ex. 
ORDER V. PENTANDRIA. 
Passielc'ra. Calyx 5-parted, colored ; 
corolla 5-petalled, on the calyx ; nectary a 
triple, filamentous crown within the petals ; 
gourd-like berry, pedicelled. (passion-flow- 
er.) S. 
Ero'dium. Calyx 5-leaved ; corolla 5- 
petalled ; nectariferous scales 5, alternating 
with the filaments ; arils 5, 1-seeded, awn- 
ed ; beaked at the base of the receptacle ; 
awn spiral, bearded within. Taken from 
geranium, (stork's biU.) Ex. 
Oplothe'ca. Calyx double, outer 2- 
leaved, convolute, truncate, scarious; inner 
calyx 1-leafed, muricate, somewhat 5-cleft, 
downy, longer than the outer calyx ; nec- 
tary cylindric, 5-toothed, stamens in the 
nectary; stigma single, hairy; capsule 
bladder-like, enclosed in the calyx, 1 seed- 
ed. S. 
AcHYRAN^THEs. Calyx double, permar- 
uent, membranaceous ; outer calyx 3-leav- 
