CLASS XVL 
style compressed, carinate, villose above ; 
legume without down at the Puture. (pea.) 
Lathy'rus. Calyx with the 2 upper di- 
visions shorter; style flat, villose above, 
broader toward the top; stems mostly 
winged, leafets 2 or more, terminated by a 
divided tendril, (sweet pea.) 
Vi'ciA. Calyx emarginate above, 2- 
toothed, 3 straight long teeth below ; banner 
emarginate ; style bearded transversely on 
the lower side beneath the stigma, (vetch.) 
Er"vum. Calyx 5-cleft, segments linear, 
acute, nearly equalling the corolla ; stigma 
glabrous ; legume oblong, 2-4 seeded. 
<creepingvetch.) 
AsTRo'pHiA. Calyx campanulate, 5-cleft, 
the 2 upper segments a little .shorter; style 
flat, linear, pube.scent along the inside ; le- 
gume broadly-oblong, compressed, few- 
eeeded. 
Oro'bus. Style linear; corolla long; 
calyx obtuse at the base, upper segments 
deeper, often shorter, (bitter vetch.) S. 
Pha'ca. Keel obtuse ; style not pubes- 
cent ; stigma capitate ; legume 1-celled, 
inflated. 
Phaseo'lus. Keel, stamens, and style, 
spirally twisted together ; legume com- 
pressed, falcate; seeds sub-compressed, 
reniform. (bean.) 
Strophos"tyles. Gly'cine. Keel, sta- 
mens, and style, spirally twisted together ; 
legume terete, with a longitudinal half 
breadth partition attached to one edge ; 
eeed renit'orm, sub cylindric. (wild bean.) 
A'pios. Glyci'ne. Calyx somewhat 2- 
lipped, truncate, 1-toothed ; keel of the co- 
rolla falcate, bending back the apex of the 
banner ; germ sheathed at the base; legume 
coriaceous, many-.seeded. (ground-nut.) 
Amphicak"pa. Calyx bell form, 4-tooth- 
I ed, obtuse,* and naked at the base ; petals 
oblong, banner broader, clo.se pressed upon 
other petals, sub-.-^e.ssile ; .stigma capitate ; 
legume flat, stiped ; seeds 2 to 4. (wild 
bean-vine.) 
Robin"ia. Calyx small, bell-form, 4-cleft, 
upper divi.sion 2-parted ; banner large, re- 
flexed, roundish ; legume compressed, elon- 
gated, many-seeded ; seeds compressed, 
small, (locust tree.) S. 
Galac"tta. Calyx 4-toothed, with 4 
bracts at the base ; petals oblong, standard 
incumbent; anthers oblong; .stigma obtuse ; 
germ on a naked stipe; legume terete, 
many-seeded. 
Vexilla'ria. Calyx surrounded at the 
base by 2 longer bracts, 5-cleft; corolla 
resupinate ; standard large, covering the 
wings; style dilated at the apex; legume 
linear, compre.s.sed, straight, 2 valved, 
many-.seeded. (butterfly-weed.) 
Astrao"alus. Keel obtuse ; legume 
more or less completely 2-celled ; lower su- 
ture inflexed. (milk-vetch.) 
Gale'ga. Tephro'sia. Calyx with sub- 
ulate teeth, nearly equal ; standard large, 
roundish, pubescent without, reflexed, 
spreading ; legume compre.ssed, linear, ma- 
ny-seeded, (goat's rue.) 
Medica'go. Keel of the corolla^ deflected . 
ORDER X. 57 
from the standard; legume compressed, 
spiral, (lucerne clover.) 
Colu'tea. Calyx 5-cleft, with the keel 
obtnse ; style bearded on its back through 
its whole length ; legume inflated, opening 
on the upper suture at the base, (bladder 
senna, bush locust.) Ex. 
Glycyrrhi'za. Calyx tubular, equal, 5- 
parted, spurred at the base ; standard erect, 
the sides reflexed ; wings spreading ; legume 
ovate ; flowers in a raceme, (liquorice.) S. 
Lupinas"ter. Calyx bell-form, 5-tooth- 
ed ; teeth setaceous, one under the keel ; 
stigma booked ; legume terete, without 
joints. S. 
OxYTRo'pis. Keel mucronate ; legume 
with the upper suture inflexed. S. 
Indigofe'ra. Calyx spreading; keel 
with a subulate spur both sides ; legume 
linear, small, terete or quandrangular. (in- 
digo.) >S. 
Tri'gonel"la. Banner and wings sub- 
equal, spreading, re.sembling a 3-petalled 
corolla ; legume often curved, compressed 
(fenu-greek.) S. 
B. Legume without transverse divisions or 
partitions ; seeds few, or single. 
Mehlo'tus. Flowers racemed ; calyx 
tubular, 5-toothed ; keel simple, shorter 
than the wings and banner; legume rugo.se, 
longer than the calyx, or about as long, 
(melilot clover.) 
Trifo'hum. Flowers sub-capitate; le- 
gume included in the calyx, not opening by 
valves, 1 to 4-seeded ; leaves always ter- 
nate. ^clover.) 
Do'lichos. Banner with two oblong, 
parallel, callous processes at the base, com- 
pressing the wings beneath them, (cow- 
hage.) S. 
Da'lea. Calyx half 5-cleft ; corolla partly 
papilionaceous; wings and keel adnate to 
the undivided column of stamens; legume 
1-seeded, included in the calyx. S. 
P.sora'lea. Calyx 4-cleft, lower seg- 
ments elongated ; legume the length of the 
calyx, 1-seeded, beaked. S. 
C. Finiitor loment in several joints, or in a 
single-seeded piece. 
Hedysa'rum. Calyx 4-cleft ; keel of co 
roUa transversely obtuse; loment many- 
jointed; joints 1-seeded, truncate, com- 
pressed, generally hispid; plants mqstly 
with ternate leaves, (bush clover.) 
Lespeoe'za. Calyx 5-parted, 2-bracted, 
divisions nearly equal ; keel obtuse ; le- 
gume 1-seeded; leaves always temate. 
(bush clover.) 
.iEscHYNOM"ENE. Calyx 5-cleft, upper 
lip 2-cleft, lower lip 3-cieft ; stamens in 2 
equal sets ; loment compressed, one suture 
straight, the other lobed. 
Stylosan"thes. Calyx tubular, very 
long, bearing the corolla ; loment 1-2 joint- 
ed, hooked. 
Desmo'dium. Calyx with 2 bracts at the 
base, obscurely bi labiate toward the middle, 
upper lip bifid, lower one 3-partod ; corolla 
papilionaceou.s ; standard roundish ; keel 
