358 POLYGALACEAE, 
7. Polygala ambigua Nutt. Loose-spiked Milkwort. 
Polygala ambigua Nutt. Gen. 2:89. 1818. 
Pobgele verlicillata var. ambigua Wood, Bot. 
< Flor. 80, 
8. Polygala incarnata L. Pink Milkwort. 
(Fig. 2280.) 
Polygala incarnata \,. Sp. Pl. 7ol. 1753- 
Erect, glabrous, glaucous, very slender, 1°-2° high, 
simple, or sparingly branched. Basal leaves none; stem- 
leaves distant, linear or subulate, sessile, 1/’-6’’ long, 
rarely wanting; spike terminal, dense, 1/—11s’ long, 2//— 
4/’ thick; pedicels %/’ or less long; bracts minute or 
none; flowers pink or rose, 5/’-6’’ long; corolla-tube 
very slender, 3//-4/’ long, 2-5 times the length of the 
wings, its keel prominently crested; wings cuspidate; 
seed hairy, the caruncle-lobes enveloping its beaked 
extremity. 
In dry soil, southern New Jersey and Pennsylvania to 
southern Ontario and Wisconsin, south to Florida, Arkansas 
and Mexico. Summer. 
together. 
cular in outline; 
[Vor.. II. 
(Fig. ‘2279. ) 
Resembling the preceding species, but 
often taller, 5’-16’ high, very slender. Lower 
stem-leaves commonly verticillate, but the 
others all alternate; spikes long, loose, the 
lower flowers often quite distant; peduncles 
often several inches long; flowers rather 
larger; wings purple or purplish, nearly cir- 
mature capsule hardly 
longer than the wings, which are appressed 
to it; seed hairy. 
In dry soil, New Jersey and Pennsylvania to 
Georgia, Tennessee and Louisiana. 
g- Polygala viridéscens IL. Field or 
Purple Milkwort. 
Polygala viridescens L. Sp. Pl. 705. 1753. 
25 Polygaia sanguinea 1,. Sp. Pl. 705. 1753- 
(Fig. 2281.) 
Erect, 6’-15’ high, glabrous, at length branch- 
ing above, leafy. Stem somewhat angled; basal 
leaves none; stem-leaves oblong, or linear-oblong, 
8//-15/’ long, 1’’-2’’wide, obtuse or acute, mu- 
cronulate; heads globose, becoming oval, 4//- 
6’ thick, obtuse; pedicels about 14’ long; flow- 
ers rose-purple, greenish, or sometimes white; 
wings sessile, sometimes slightly cordate, ovate, 
exceeding the pod; bracts generally persistent 
on the elongating axis; seed obovoid, hairy, about 
the length of the caruncle; crest minute. 
In fields and meadows, southern Ontario to east- 
ern New England, south to North Carolina, west to 
Minnesota, Arkansas and Louisiana. 
The contrast between the green-flowered and purple- 
flowered forms is striking where the two grow 
June-Sept. 
