ORDER XV. rOLYGALACE.E. 231 



b. Flowers in terminal cymes ; caruncle with no, or very small, appen- 

 dage. 



G. P. corymbo'sa, (Mich.) Ramo'sa, (Ell.) Stem simple, tmgular, ter- 

 minated with a large cyme, nearly naked. Leaves spatulate, the upper 

 ones linear, and at the summit small. Flowers in a compound cyme. 



Wings oval, long, mucronate, greenish-yellow. Seed oblong. — Yellow. 



$. June — Aug. Wet places in pine barrens. Common. 8 — 12 in. 



7. P. cymo'sa, (Walt.) Corymbo'sa, (Ell.) Stem erect, terete, nearly 

 naked. Lower leaves long, linear-lanceolate ; upper ones small, linear, 

 at the summit degenerated into scales. Cyme simple. Wings oval or 

 elliptical-oblong, obtuse, slightly mucronate. Seeds smooth. — Yellow. 



$. June — Aug. Common in wet pine barrens. 2 — 5 feet. 



8. P. Baldwin'ii, (Nutt.) Stem erect, branching near the summit, 

 leafy. Leaves, lower ones spatulate, upper ones lanceolate. Flowers 

 in a compound cyme, sub-globose, compact. Wings lanceolate, longer 

 than the corolla ; keel but slightly fimbriate, if at all. Seeds ovate, 

 very hairy. — Yellowish-white. $ . June — Aug. Low country of Geo. 

 2—3 feet. 



c. Flowers in cylindrical spikes ; caruncle spongy, cristate. 



9. P. incarxa'ta, (L.) Stem simple, slender, slightly angled. Leaves 

 scattered, subulate, nearly linear. Flowers in long terminal spikes. 

 Wings oval, margin colored, limbs of the petals not united. Crest con- 

 spicuous. Seeds ovate, hairy. — Purple. $. May — Aug. Common in 

 the middle region of Geo. 1 — 2 feet. 



10. P. seta'cea, (Mich.) Stem very small, erect, angled, generally 

 with several slender, erect branches. Leaves very small, setaceous. 

 Flowers in a compact spike, small. Wings oblong, acuminate ; limbs of 

 the lateral petals ovate. Crest conspicuous. Seeds ovate, hairy. — 

 Rose-color. %. Ju. Middle Car. and Geo. 10 — 12 inches. 



d. I r lowers in elongated, racemose spikes ; caruncle with a 2-lobed ap- 

 pendage. 



11. P. verticilla'ta. (L.) Stem erect, branching. Leaves verticil- 

 late, linear, acute, glabrous. Flowers in pedunculate tapering spikes, 

 dense. Wings nearly round or obovate, longer than the corolla. Lat- 

 eral petals spreading ; keel fimbriate. Seeds hispid. — Greenish-white. 

 0. June — Aug. Old sandy fields. 6 — 10 inches. 



12. P. sen 'ega, (L.) Stem erect, simple, terete. Leaves alternate, 

 lanceolate, sometimes broad, acute, acuminate. Flowers in a dense 

 spike, sessile. Wings orbicular, obovate, concave. Seed hirsute, with 

 spreading hairs. — White. %. Mountains and upper districts of Car. 

 and Geo. 6 — 8 inches. 



13. P. Boyki.v'ii, (Xutt.) Stem branching. Leaves verticillate by 

 fours or fives, obovate, lanceolate. Flowers in dense tapering spikes, 

 pedicellate. Wings obovate. Petals obovate, scarcely as long as the 

 wing. Crest minute. Seed hirsute, with appressed hairs. — 0. June — 

 September. Middle Geo. 12 — 18 inches. 



14. P. Chapman'ii, (T. & G.) Stem glabrous, branching from the 

 base or summit. Leaves numerous, linear, subulate. Flowers in a 

 loose spike. Wings with a short claw ; the posterior sepal very broad, 



