58 
CLASS XVIL ORDER I. 
obtuse, not truncate ; wings longer than the 
keel ; stamens diadelphous (3 and 1) ; lila- i 
meats sub-persistent ; legume with many 
joints ; joints compressed, 1-aeeded, membra- 
naceous or coriaceous, scarcely dehiscent. 
Ci'cER. Calyx 5-parted, of the length of 
the corolla, 4 upper divisions resting on the 
banner; legume turgid, 2-seeded. (chick- 
pea.) Ex. 
Zor'^nia. Calyx inferior, bell-form, 2- 
lipped ; banner cordate, revolute ; anthers 
half oblong, half globose ; loment jointed, 
hispid. S. 
Coronil"la. Calyx 2-lipped ; petalswith 
claws; loment teretish, jointed flowers in 
umbels ; .seeds generally cylindric. (coro- 
nilla.) Ex. 
Sesba'nia. Calyx 5 -toothed; legume te- 
rete jointed. Ex. 
D. Stamens united in one set. 
Amor"pha. Calyx somewhat bell-form, 
4 or 5-cleft ; banner ovate, concave ; wings 
and keel 0 ; legume 1 or 2-seeded, falcate, 
(false indigo.) 
Lupi'nus. Calyx 2-lipped; anthers. Sob- 
long and 5 roundish; legume coriaceous, 
torulose. (lupine.) 
Crotala'ria. Corolla with the banner 
cordate ; large keel acuminate, the mem- 
brane formed by the united filament, has a 
fissure on the back ; style curved ; legume 
pedicelled, turgid, (rattle box.) 
Genis''ta. Calyx 3-lipped, upper lip with 
2, lower Up with 3 teeth, (dyer's broom.) 
Spar"tium. Stigma longitudinal, pubes- 
cent above ; filaments adhering to the ova- 
ry ; calyx lengthened at the ba.se. (Spanish 
broom.) Ex. 
U'lex. Calyx 2-leaved, 2-bracted ; sta- 
mens all united ; legume about the length 
of the calyx, spinose. (furze.) /S. 
Ara'chis. Calyx 2 Hpped; corolla in- 
verted ; legume gibbous, torulose, veiny, 
coriaceous, (pea-nut.) Ex. 
Pitch'^eria. Calyx tubular, somewhat 
2-lipped, 5-cleft, divisions subulate, upper 
lip bifid, equal to the lower one ; wings 
narrow, subulate, 1-toothed ; style filiform, 
ascending; legume oblong, 2-seeded, scarce- 
ly exceeding the calyx. S. 
Erythri'na. Calyx 2-lipped; banner 
long, lanceolate ; legume torulose, many- 
seeded, (coral-tree.) S. 
CLASS XVIL SYNGENESIA. 
ORDER I. FOLYGAiMIA ^QUALIS. 
A. Florets ligulate. 
Cicho'rium. Calyx calycled ; egret plu- 
mose, sessile, unequal ; receptacle some- 
what chaffy, (succory or endive.) 
Leon"todon. Calyx double, imbricate, 
with flexible leafets ; receptacle naked ; 
egret stiped. (dandelion.) 
Prenan'''thes. Elorets from 5 to 20, in 
a simple series (or in one circular row) ; 
calyx calycled ; receptacle naked ; egret 
simple, sub-sessile, (white lettuce.) 
Lactu'ca. Calyx imbricate, cylindric, 
with the margin of the scales membrana- 
ceous ; receptacle naked ; egret simple, sti- 
ped; seed smooth, (lettuce.) 
Hiera'cium. Calyx imbricate, ovate , 
egret simple, sessile ; receptacle naked, 
punctate, or sub-pilose. [From white be- 
coming yellowish.] (^hawk-weed.) 
Apar"gia. Calyx imbricate ; receptacle 
naked, punctate ; egret plumose, sessile, un- 
equal, (false hawk- weed.) 
Son'^chus. Calyx imbricate, swelling a 
the base ; receptacle naked ; egret simple 
sessile, (.swine thistle.) 
Kri'gia. Calyx many-leaved, simple, 
receptacle naked ; egret double, exterior 5 
to 8-leaved, interior of 5, 8, or 24 scabrous 
bristles, (dwai-f dandelion.) 
Troxi'imon. Calyx oblong, cone-like, 
many-sepalled, sepals unequal, imbricate, 
receptacle naked ; egret sessile, pilose. S. 
Apo'gon. Calyx 8-sepalled, in a double 
series ; receptacle naked ; e.gi-et 0. S. 
Chondril"la. Receptacle naked ; egret 
pilose, stiped; calyx calycled ; florets in 
many series. S. 
Tragopo'gon. Calyx simple, many- 
leaved ; receptacle naked ; egret plumose 
and stiped. (goat's-beard, vegetable oyster.) 
Ex. 
B. Florets tubulous ; floivers capitate. 
Arc'^tium. Calyx globose, with scales 
hooked at the apex ; egret chaff-bristly ; re- 
ceptacle chaffy, (burdock.) 
Cni'cus. Calyx sweUing, imbricate, with 
prickly scales ; receptacle villose ; egret ca 
ducous, plumo.se. (thistle.) 
Car"du'us Calyx ovate, imbricate, witb 
prickly scales ; receptacle villose ; egret pi- 
lose, (comb-tooth thistle.) 
Cartha'mus, Calyx ovate, imbricate, 
with scales, ovatish, leafy at the apex ; egret 
chaff hairy, or none ; receptacle chaff-bristly, 
(false saffron.) Ex. 
Sau.ssu'rea. Involucre sub-cylindric ; 
scales imbricate, beardless ; receptacle se- 
to.se or chaffy ; egret in 2 series, outer series 
short, filiform, inner one long and plumose ; 
\ anthers cordate, sub-entire ; bony akenes, 
j glabrous. 
Cyna'ra. Receptacle bristly ; calyx di- 
lated, imbricate, scales with fleshy bases, 
emarginate and pointed ; egret plumose, 
sessile, (garden artichoke.) Ex. 
Ammo'bium. Anthers with 2 bristles al 
the base ; chaffs of the receptacle distinct 
egret with toothed edge ; sepals imbricated 
colored, radiated. 
Onopor' don. Calyx ventricose, imbri 
cate, with spreading, spinous scales ; recep 
tacle alveolate ; egi-et capillary, deciduous, 
scabrous, (cotton thistle.) 
Lia'tris. Calyx oblong, imbricate; re 
ceptacle naked ; egret plumose, persistent 
(mo.^tly colored) ; seed pubescent, striate. 
Verno'nia. Calyx imbricate, ovate ; egret 
double, exterior .short, chaffy, interior capil- 
lary ; receptacle naked ; stigma 2-cleft. 
Stoke'sia. Involucre foliaceous, sub-im- 
bricate; florets of the ray funnel -form and 
regular ; receptacle naked ; egret 4-bristled. 
