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NORTH AMERICAN FLORA [VOLUME 33 
pilose above, impressed-glandular, resinous, and minutely pilose beneath; lateral veins pro- 
minent, curved-ascending; petioles 3-6 mm. long, tomentose; cymes crowded, bearing each 
2-6 heads; bracteal leaves resembling the cauline, but smaller; heads 11-flowered; involucre 
campanulate, 6-7 mm. high; scales well imbricate, strigose-pubescent and ciliate toward the 
tip with black hairs, the outer triangular-lanceolate to ovate, sharply acute, with a prominent 
midvein, the inner ovate-lanceolate, rounded at the tip; achenes strigose-pubescent, 2 mm. 
long; pappus brown, the bristles 5.5 mm. long, the scales broad, 0.8-1 mm. long. 
TYPE LOCALITY: Jamaica. 
DISTRIBUTION: Jamaica. 
ILLUSTRATIONS: Ark. Bot. 1315: pl. 3, f. 1. 
45. Vernonia pluvialis Gleason, Bull. Torrey Club 40: 312. 1913. 
Baccharis Myrsinites Griseb. Fl. Brit. W. Ind. 366, in part. 1861. Not B. Myrsinites Pers. 1807. 
Vernonia proclivis Gleason, Bull. Torrey Club 40: 312. 1913. : 
Vernonia reducta Gleason, Bull. Torrey Club 40: 313. 1913. 
Stems shrubby, erect or trailing, 5-20 dm. long, branched above, glabrate or thinly 
pubescent; leaf-blades elliptic-oblong to oblong-ovate or subrhomboid, broadest near or above 
the middle, 3-8 cm. long, 1-3 cm. wide, acute or acuminate, entire and frequently somewhat 
revolute, gradually narrowed to an acute or obtuse base, minutely puberulent and glandular- 
punctate or resinous on both sides, sessile or on petioles*I—5 mm. long; inflorescence of several 
short, few-headed cymes terminating the stem and upper branches and forming a compact 
leafy panicle; bracteal leaves barely exceeding the heads, ovate to ovate-lanceolate; heads 
crowded in clusters of 2-7, not secund, 5—8-flowered; involucre narrowly companulate or 
subcylindric, 5-7 mm. high; scales coriaceous, glabrate or puberulent, closely imbricate in 
several series, the outer ovate-triangular, acute or apiculate, the inner oblong, obtuse or 
rounded; achenes densely hirsute; pappus pale-brown or tawny, the bristles flat and twisted, 
4-5 mm. long, the scales irregular, 0.4-1 mm. long. 
TYPE LOCALITY: Blue Mountain Peak, Jamaica. 
DISTRIBUTION: Higher mountains of Jamaica. 
ILLUSTRATION: Ark. Bot. 1315: pl. 3, f. 8. 
46. Vernonia Sprengeliana Schultz-Bip. Jour. Bot. 1: 232. 1863. 
Stems shrubby, sparingly branched, cinereous-tomentose; leaf-blades heavy and rigid, nar- 
rowly oblong to oblong-lanceolate, 5—9 cm. long, 1-2 cm. wide, acute, entire or irregularly cre- 
nate, somewhat revolute, narrowed from the middle to a truncate or subcordate base, bullate and 
scabrous above, closely gray-tomentose beneath; petioles 1-2 mm. long; cymes few, crowded 
at the summit of the stem, simple or sparingly branched, 4-7 cm. long, bearing 4-12 heads; 
bracteal leaves resembling the cauline but smaller, the upper 1 cm. long or less; heads rather 
crowded, 13-—18-flowered; involucre campanulate-cylindric, 8-10 mm. high; scales closely 
and regularly imbricate, purplish, the outer triangular, subulate or narrowly acuminate, the 
inner oblong, thinly strigose on the back and densely so at the rounded or apiculate tip; pap- 
pus pale sordid-brown, the bristles 8 mm. long, the scales 0.8-1 mm. long. 
TYPE LOCALITY: Santo Domingo. 
DISTRIBUTION: Hispaniola. 
ILLUSTRATION: Ark. Bot. 1315: pl. 1, f. 8. 
47. Vernonia Sagraeana DC. Prodr. 5:55. 1836. 
Vernonia rigida Sagraeana Griseb. Cat. Pl. Cub. 144. 1866. 
Vernonia angusticeps Ekman, Ark..Bot. 1315: 14. 1914. 
Vernonia Sagraeana angusticeps Gleason, Bull. Torrey Club 46: 240. 1919. 
Stems shrubby, branching above, 1—2 m. high, cinereous or becoming glabrate; leaf-blades 
firm, elliptic to ovate-oblong, 6-10 cm. long, 1.5—4 cm. wide, acute or short-acuminate, sharply 
denticulate with spinulose teeth to nearly entire, rugose, shining, and scabrellate or glabrous 
above, minutely puberulent on the veins beneath; cymes several, straight, leafy, 1-2 dm. 
long; bracteal leaves resembling the cauline, but gradually reduced to 1.5 em. long; heads 1-2 
cm. apart, 18—-21-flowered; involucre campanulate, 6-8 mm. high; scales closely imbricate, 
villous-pubescent, the outer triangular-ovate, sharply acuminate, the inner ovate-oblong, 
