CLASS XV. 
petals longest ; silicle many-seeded, emar- 
ginate. ^candytuft.) Ex. 
Thy'sanocar"pus. Silicle obovate, pla- 
no-convex, broad-winged at both margins, 
emarginate at the apex, 1-ceIled, one seed 
ed ; seed broad-obovate, pendulous. Flow- 
ers small, and white. 
CoKONo'pus. Silicle reniform, compress- 
ed, wrinkled ; cells valveless, 1-eeeded. 
ORDER 11. SILIQUOSA. 
De.vta'ria. Siliqae lanceolate ; valves 
But, nerveless, often opening elastically ; 
receptacles not winged ; fnnicle 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 base, 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 
double series; cotyledons accumbent. 
(tf)wer mustard.) 
Cardam'^ine. Calyx 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 equa'Iing the 
length of the partitions ; seed with a slen- 
der fuuicle, not margined. (American wa- 
tercress.) 
Streptan'''thus. 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"abi.s. 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 young, with a glandular tooth 
each side ; stigma 2-lobed ; seed flat, some- 
times margined, (stock-july flower, wall- 
flower.) 
Phcenicau'lis. Calyx colored, nearly 
equal at the base, much shorter than the 
jntire unguiculate petals ; silique ensiform, 
acuminate, flat, not opening elastically ; 
cells about 3-seeded ; valves with a promi- 
nent central nerve j 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- 
lending beyond the valves of the silique, 
ensiform , seeds in a single series, (mus- 
tard.) 
IIapha'n us. Calyx closed, setose ; silique 
<^»Tose, terete, no«^ opening by valves, I or 
ORDER V. 361 
2-celled ; glands between the short stamens 
and pi.stil, and between the long stamen.i 
and the calyx. (radi.sh.) 
Wa'rea. Silique 2-celled, stiped, flat, 
with a seed-bearing margin on bott sides , 
seed flattish, striate ; petals with long claws 
spreading : calyx deflected, caducous, co- 
lored. 
Bras"sica. Calyx erect, converging; 
partition extendinff beyond the valves of 
the silique ; seed eflobose ; glands between 
the short stamens and pistil, and between 
the long stiifnens and calyx, (cabbage, 
turnip.) Ex. 
Barbakk'a. Silique 4-edged; cotyledons 
accumbent ; seeds in a single row ; calyx 
equal at the base, erect ; shorter fllameiita 
with intermediate glands. (water-rad- 
ish.) 
SiSYM^RRiUM. Calyx mo.«tly spreading, 
equal at the base ; silique sub-terete ; coty- 
ledons incumbent, sometimes obhque, flat, 
(hedge-mustard.) 
Ery'simum. Nastur"tium. Silique sub- 
terete, often short ; valves concave, nerve- 
less, not keeled ; calyx equal, spreading ; 
cotyledons accumbent. (English water- 
cress.) 
Hes^peris. Calyx closed, funowed at 
the base, shorter than the claws of the pe- 
tal." ; petals bent obliquely, linear or obo 
vato; silique 4 sided, 2-edged; stigma sub- 
sessile of 2 lobes ; cotyledons incumbent, 
(rocket.) 
CLASS XV. MONADELPHIA. 
ORDER III. TETANDRIA. 
Sisiryn'-'chium. Spatha 2-Ieaved ; peri- 
anth 0 ; corolla superior, 6-cleft or 6-petaI- 
led, tubular; style 1; stigma 3-cleft; cap- 
sule 3-celled. (blue-eyed grass.) 
Tamarin"dus. Petals 3, ascending; 3 
fllaments longer; legume 1 to 3-celled, 
pulpy inside, (tamarind.) Ex. 
Tigri'dia. Calyx 0 ; petals 6 ; tube made 
by tlie union of the filaments, long, (tiger 
flower.) Ex. 
order v. pentandria. 
Passiflo'ra. Calyx 6-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 bill.) Ex. 
Oplothe'ca. Calyx double, outer 2- 
Icaved, convolute, truncate, .scarious ; inner 
calyx 1-leafed, muricate, somewhat 5-cleft. 
downy, longer than the outer calyx ; nec- 
tary cylindric, 5-loothed, stamens in the 
nectary; stigma single, hairy; capsule 
bladder like, enclosed in the calyx, 1 seed- 
ed. .S. 
AcnYKAN"THEs. Calyx double, perma 
nent, membranaceous • onte: calyx 3-!uav 
