188 COMI'OSIT.K. (COMIMJSITK FAMILY.) 



sliii]H'(l ; scalos ovate, acute, fringt'(l. — Dry rirli woods, ^Middle Florida. June 

 and July. — Stem '2° - 3° high. 



3. V. Noveboracensis, WiUd. Stem more or le.s.s pubescent, branched 

 above ; leaves lanceolate, serrate, mostly roughlsh above, smooth or pubescent 

 beneath ; corymbs spreading ; involucre hemispherical, the scales fringed, ovate, 

 ending in a long filiform point, or simjjly acute. (V. tomentosa, IilL V. prac- 

 alta, ]['illil.) — Kiver-banks and low ground, Florida to Mississippi, and north- 

 ward. July- Sept. — Stem 3°-C° high. Scales of the involucre purple, and 

 usually covered with web-like hairs. 



4. V. fasciculata, Michx., var. altissima, Torr. & Gray. Stem tall, 

 and, like the lanceolate serrate leaves, smootliish ; involucre small, hemispheri- 

 cal; the scales ovate, acute or mucronate, fringed, appresscd. (V. altissima, 

 Nutt.) — Low ground, Florida to North Carolina, and westward. September. 

 — Stem 6° - 10° high. Leaves 6'- 12' long. 



5. V. angustifolia, Michx. Stem slender, smooth or hairy, very leafy ; 

 leaves linear or linear-lanceolate, smoothish, or pubescent and roughish, the low- 

 est ones sparingly denticulate, the upper entire, with the margins revolutc ; cor- 

 ymbs mostly umbel-like ; involucre bell-shaped ; the scales lanceolate, fringed, 

 acute or conspicuously mucronate. (V. scaberrima, Nutt ) — Dry pine barrens, 

 Florida to North Carolina, and westward. June- August. — Stem 2°- 3° high. 



2. STOKESIA, L'ller. 



ITeads many-flowered ; the marginal flowers much larger, deeply split on the 

 inside, and ray-like. Involucre subglobose, bractcd, the outer scales prolonged 

 into a leafy bristly-fringed appendage, the inner ones lanceolate and entire. Re- 

 ceptacle naked. Achcnia siiort, 3-4-anglcd, smooth. Pap])us composed of 

 4-5filifonn chaffy deciduous scales. — A sparingly branched downy-stemmed 

 perennial. Leaves smooth, lanceolate, entire, the upper ones sessile, and, like 

 the bracts, fringed at the base, tlie lowest narrowed into a slender petiole. Heads 

 few or solitary, large, terminal. Flowers blue. 



1. S. eyanea, L'Her. — Wet jiine barrens, South Carolina, and westward, 

 very rare. — Stems 1°- li° high. Heads 1' wide. 



3. ELEPHANTOPUS, L. Eleph-vnt's-i-oot. 



Heads 3-5-flowered, crowded in terminal 3-bracted clusters. Flowers all 

 equal and similar. Involucre compressed ; scales 8, in 2 rows, dry, oblong, 

 acute, dotted. Receptacle naked. Corolla deeply split on one side, palmate. 

 Achenium oblong, ribbed, hairy. Pappus bristly from a dilated base, double or 

 single. — Erect hairy corymbose-branched perennials, with alternate ample leaves, 

 and purple or white flowers. 



1. E. Carolinianus, Willd. Stem leafy, hairy; leaves thin, oval or 

 oblong, incurved-serrate, hairy, tapering into a petiole; bracts ovate, longer 



