June, 1923] 
GLEASON — BOLIVIAN SPECIES OF VERNONIA 
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11. V. varroniaefolia DC., Prodr. 5: 56. 1836. 
The single collection examined, Bang 2218 , without locality, has been 
provisionally referred here. Ekman has noted that it differs from the 
type in its larger heads, but otherwise it agrees well with the original 
description, and even better with that in the Flora Brasiliensis. 
12. V. robusta Rusby, Mem. Torrey Bot. Club. 6: 54. 1896. 
The material examined is sufficient to show that the species varies 
considerably in form of leaf and in character of involucre, without presenting 
any features on which species may be segregated. 
Between Guanai and Tipuani, Bang 1424 (type); Atten, Williams 1441; 
Coripati, Yungas, Bang 2118; Velasco, Kuntze; without locality, Bang 2886. 
Another sheet collected at Velasco by Kuntze has been annotated as 
“nicht beschreibbar ” by Hieronymus, but Ekman has given it the un¬ 
published name V. velascensis Hieron. It is fragmentary, lacking foliage 
leaves completely. The involucre is more nearly glabrous than in typical 
V. robusta , and the outer scales are much more pungent and distinctly 
squarrose. It is now referred provisionally to this species. 
13. V. obtusata Less., Linnaea 6: 62. 1831. 
Velasco, Kuntze. 
14. V. Mandonii Sch.-Bip., Linnaea 34: 534. 1865-66. Name only. 
The species is beautifully characterized by its broadly ovate leaves with 
prominent parallel veins. No description of it has been found, and it is 
possible that the characterization presented here in the key to the species 
constitutes its first valid publication. 
Near Sorata, province of Larecaja, Mandon 234 (isotype). 
15. V. tarijensis (Griseb.) Hieron., Engler’s Jahrb. 22: 682. 1897. 
V. sericea tarijensis Griseb., Goett. Abhandl. 24: 163. 1879. 
Distinguished at once from the related species by the glabrate leaves and 
large heads. 
Sierra de Santa Cruz, Kuntze; Velasco, Kuntze. 
16. V. cuneifolia (Britton) n. sp. 
V. arborescens cuneifolia Britton, Bull. Torrey Bot. Club 18: 331. 1891. 
Stem stout, densely pubescent with short, stout, spreading, purplish 
hairs; leaves broadly oblong-elliptic to obovate, up to 8 cm. long by 32 mm. 
wide, abruptly acute or very short acuminate, entire, cuneate or acuminate 
at base into a short indefinite petiole, thinly pubescent above with papillose 
hairs, becoming glabrate and scabrous with the persistent hair-bases, thinly 
pubescent beneath with rather long papillose hairs, the veins prominent and 
more or less reticulate, impressed above; inflorescence dense, freely branched, 
of numerous short irregular cymes; heads about 26-flowered, numerous, 
irregularly spaced, up to 2 cm. apart or some approximate; bracts narrow, 
much reduced, the upper about equaling the heads; involucre broadly 
obconic, 6 mm. high, the scales appressed below, loosely erect above, brown 
or faintly purple-tinged, narrowly lanceolate, long-acute or subacuminate, 
