76 NORTH AMERICAN FLORA [VoLUME 33 
bricate, appressed at base, spreading at the apex, stiff and firm, the outer narrowly triangular- 
lanceolate, long-acuminate, the inner narrowly oblong-linear, tapering gradually to the 
acuminate pubescent apex; achenes thinly pubescent, 2 mm. long; pappus nearly white, the 
bristles 4 mm. long, flattened, the scales broad, nearly or quite 1 mm. long. 
TYPE LOCALITY: Vicinity of Camp San Benito, Oriente, Cuba. 
DISTRIBUTION: Cuba. 
ILLUSTRATION: Ark. Bot. 1315: pl. 5, f. 3. 
58. Vernonia Tuerckheimii Urban, Symb. Ant. 7: 421. 1912. 
Stems shrubby, erect, 1-1.5 m. tall, freely branched above, thinly and closely canescent; 
leaf-blades firm and shining, obovate to subrotund, 3-10 mm. long, 2-6 mm. wide, acute, 
entire, abruptly narrowed at base, impressed-punctate and minutely puberulent above, 
very closely and finely tomentulose beneath; petioles 1-2 mm. long; heads about 11-flowered, 
crowded in subcapitate clusters of 2-8 at the ends of the branches and forming a large compound 
inflorescence; involucre narrowly campanulate to turbinate, 7 mm. high, narrowed at the 
base, the outer scales ovate, subacute, glabrous or nearly so, the inner oblong, obtuse 
or acute, purple at the glabrous tip, puberulent and glandular below; achenes pale-brown, 
glabrous and glandular, 2.5 mm. long; pappus tawny tinged with rose, the bristles 6 mm. 
long, the scales narrow, 0.6 mm. long. 
TYPE LOCALITY: Near Constanza, Santo Domingo, alt. 1250 meters. 
DISTRIBUTION: Santo Domingo. 
ILLUSTRATION: Ark. Bot. 1315: pl. 1, f. 10. 
59. Vernonia domingensis (Spreng.) DC. Prodr. 5:30. 1836. 
Proustia domingensis Spreng. Syst. 3: 502. 1826. 
Vernonia montana Gleason, Bull. N. Y. Bot. Gard. 4: 191. 1906. 
Stems shrubby, climbing, 6 m. long, puberulent when young, becoming glabrate with age; 
leaves crowded, the blades firm or coriaceous, oblong-elliptic to rhomboid or oblong-obovate, 
8-16 mm. long, 5-8 mm. wide, acute or rounded, entire, somewhat revolute, cuneate at base, 
dark-green, glabrous, and glandular above, minutely puberulent and glandular beneath, sessile 
or with petioles 1-2 mm. long; inflorescence subcapitate; heads 2-5, sessile or nearly so, 8- 
flowered; involucre 5 mm. high, campanulate, rounded at base, regularly imbricate; scales 
appressed, obtuse to subacute, glabrous, or puberulent at the tip, the outer broadly ovate, 
the inner ovate-lanceolate to lanceolate; achenes obscurely ribbed, glabrous, glandular, 3 
mm. long; pappus yellow-brown, the bristles 3.5—-4 mm. long, the scales narrow, almost entire, 
0.4-0.5 mm. long. 
TYPE LOCALITY: Hispaniola. 
DISTRIBUTION: Hispaniola. 
ILLUSTRATION: Ark. Bot. 135: pl. 1, f. 11. 
60. Vernonia buxifolia (Cass.) Less. Linnaea 4: 313. 1829. 
Lepidaploa buxifolia Cass. Dict. Sci. Nat. 26:18. 1823. 
Cacalia buxifolia Kuntze, Rev. Gen. 968. 1891. 
Stems shrubby, climbing, pubescent when young, becoming glabrous with age; leaf-blades 
coriaceous, elliptic-oblong or oblong-obovate, 2-4 cm. long, 8-18 mm. wide, acute, entire, 
somewhat revolute, narrowed at base into petioles 1-2 mm. long, glabrous or nearly so and 
impressed-punctate on both sides, shining above; heads about 8—flowered, 3-6 in a subcapitate 
cluster, sessile or on short scaly peduncles; involucre funnelform or narrowly turbinate, 
8-9 mm. high, attenuate at base; scales closely and regularly imbricate in spiral series, glabrous, 
the outer ovate, obtuse to subacute, somewhat fimbriate, the inner ovate-lanceolate, the 
innermost linear-oblong, acuminate, widely spreading or horizontal at tip; achenes obtusely 
ribbed, minutely resinous; pappus tawny, the bristles 5.5 mm. long, the scales barely ciliate, 
narrow, 0.7—0.8 mm. long. 
TYPE LOCALITY: - Haiti. . 
DISTRIBUTION: Hispaniola. ° 
