678 FABACEAE 
17. B. ee T. & G Pl ind E 5 m. tall or less, stout, the stem glaucous, 
with ascending branches: leaflets 2.5—6.5 cm. long; blades obovate, cuneate, 
cuneate-obov ate, or nearly ipte, deep-green: racemes stout: calyx-lobes 
s delt 
standard. blade 1.5-1.8 cm. wide; keel-petals fully 2 cm. long: pod-body oval, 
I: long, rather slender- -stipita ate. — (WHITE WILD-INDIGO. PRAIRIE-IN- 
RUNE “Riv 'er-banks, woods, pinelands, and prairies, various provinces, N only 
e of the Blue Ridge, N Fla. to Tex., Minn., Ont., and N. C.—Spr.-sum.—The 
pods are drooping. 
8. B. australis (L.) R. Br. Plant 1.5 tall or less, stout, the stem 
E is en ie Or d branched branches: leaves rela- 
tively few, with slender petioles; leaflets 4-8 cm. long, the blades cuneate to 
oblan sane ie. mcs: elliptic, or ' elliptic: calyx glabrous; lower lobes deltoid 
to ovate, much shorter than the tube: corolla eee -blue; blade of the standard 
about 1.5 cm. wide; kee Ann ol a abou em. lon ng; pod-body ellipsoid, 
3-3.5 long, hort-beaked.— — (BL S T woods and river- 
ces n. a.—Spr.—Foli 
age bla in drying. ten E in gardens, ducsia its natural range, 
for the bunt blue inflorescence 
5. CROTALARIA [Dil.] L. Herbs. Stipules often decurrent on the 
stem or branches. Leaflets 3 or 1. Calyx with a gini) 2- lobed ud 
r to eylin M —Abou Species, mainly ropieal 
regions.—Spr.—fall or all year sae od Set of the pate 
Species are grown as garden plants. 
aurieled blades broadened upward: blades E the keel-petals broadly hin e- 
shaped. Pod globula 250 of 
Leaves with 1-foliolate blades. 
Standard shorter than the calyx or about equalling it: blades of the upper leaf- 
lets linear, elliptic, oval, or lanceolate: stipules more or less 
decurrent. I. SAGITTALES. 
Standard much longer than the calyx: blades of the upper 
leaflets of a spatulate or oblanceolate type: stipules not de- 
current. II. RETUSAE. 
Leaves with 3-foliolate blades. III. INCANAE. 
SAGITTALES 
Ec Mee erbicular or oval blades pects e stems potas or decumbent. 
Ste ranches, ae peduncles with relatively long loo 
on Paes hair 1. C. rotundifolia. 
Stems, branches, ind peduncles with short appressed hairs. 2. C. maritima. 
Menus with linear, lanceolate, ue elliptic blades predominat- 
ng; stems erect or ascen din 
Stems appressed-pubescent : « eem inconspicuously oe 
aly. 
m ong, pubescence tawny: 
row, not inflated. 3. C. Linaria. 
em. long or more, the pubescence pale: pod 
hick, turgid. 4, C. Purshii. 
Stems loosely pubescent : calyx.loosely pubescent. 5. C. sagittalis. 
II. RETUSAE 
Flowers subtended by minute eaducous bra 
ets. . C. retusa. 
Flowers subtended by ovate, cordate, persistent bracts. 
C. Retz. 
i 
III. INCANAE 
Plant annual: pod 2.5-4.5 em. long. 
Racemes short and stout: calyx-lobes lanceolate: keel with 
Short blunt beak. 8. C. incana. 
a long and slender: calyx-lobes subulate-tipped : 
eel with a slender acute beak. 
Plant T pod 1 
. C. striata. 
. C. pumila. 
A 
co 
