768 POLYGALACEAE 
1. G. incarnata (L.) Nieuwl Plant 2-7 dm. tall, the dire glaucous; blades 
of the upper leaves linear-subulate to subulate: flowe ers inly rose-purple, or 
Miu Ew sepal becoming 2-2.5 mm. long: m inde laneeolate to 
| spat 3—4 mm. long: keel 6-8 mm. long, the claw d than the body: 
nn pom 5-7 mm. long: capsule ovoid, 3-3.5 Ae notehed "i the 
ase: seed oval or oval- ovoid, the body about 2 mm. long, capped with the 
aril— S POOR TL LOWER. POLYGA E Baa dry woods, and prairies, 
in rather sterile soil, various provinces, Fla. to Tex., Nebr., Ont., and S N. Y.— 
(Mex z.) — — Sum. or all year S. 
4. POLYGALA L. Annual or perennial herbs. Leaves alternate, oppo- 
site, or whorled: blades narrow or broa , herbaeeous or fleshy. Flowers in 
slender and spike-like or short and stout racemes. Sepals persistent, distinct. 
Wings persistent, petaloid; with usually broad blades. Keel about as ma 
as the wings, with a lobed appendage or tufted crest below the apex. Stam 
with the names united and usually adnate to the posterior petals. n 
broad, wingless or slightly winged. Seeds usually pubescent, the aril with 2 
RM un ssed lobes.—About 400 species, widely distributed.—CANDY WEEDS. 
POLYGALA 
Leaves all altern 
Racemes elongate, interrupted or continuous: flowers persistent, and persistent 
fruits, not densely crowded. 
Wings an corolla white or greenish-white : plant per- 
ennial. I. SENEGAE. 
WE and corolla rose-purple: plant annual or bi- 
Plant biennial, with basal shoots bearing cleistoga- 
mous flow II. POLYGAMAE. 
Plant annual, "vitüiout basal shoots: no cleistoga- 
mous flow III. LEPTOCAULES. 
Racemes short and stout, not interrupted: flowers and 
2 deciduous, leaving an. elongate scarred rachis, . 
a bristly rachis when t j PN are persistent, 
Leaves reduced to minute scale IV. SETACEAE. 
Leaves not scale-like. V. MARIANAE. 
Leaves, at Yeast at some of the nodes of the stem, whorled. 
Bracts persistent on the raceme-rachis after anthesis. VI. CRUCIATAE. 
Brac ts deciduous from the raceme-rachis after anthesis. VII. POTEINIANAR: 
. SENEGAE 
Perennial herb with stems tufted on a short caudex and stout 
root: stems scaly at the base: flowers inconspicuous. 1. P. Senega. 
II, POLYGAMAE 
wane Beers or oval, slightly longer than wide: 
about as wa od the ae or much longer: seed 
avold, sometimes n wly s 
Flowers long-pedicelled : ponies oe the bracts: 
wings much longer than Phe capsu 2. P. polygama. 
pu Pit ag dnd par. shorter than the bracts: 
gs t as long 3. P. aboriginum. 
Capsule elliptie, about Cie pU ires as wide: wings much 
Shorter than the capsule: seed cylindric. 4. P. Lewtonit. 
III. LEPTOCAULES 
Annual herb with very slender simple or sparingly branched 
Stems and narrow rans blades: flowers very small, in narrow 
continuous racemes b. P. leptocaulis. 
IV. SETACEAE 
Perennial slender herb with almost filiform inconspi icuously 
scaly stem and branches: flowers very small, in pale very 
` dense racemes. 6. P. setacea. 
V. MARIANAE 
Flowers small: wings ao 4 mm. jns or less; capsule 
less than 3 mm. lon 
