60 
Near W. laevis. Nearly the same as a specimen collected by 
Holton (no. 344), but in that the pappus much exceeds the in- 
volucre. 
GRINDELIA BOLIVIANA sp. n. 
Glabrous, very pale or glaucous, erect or ascending, 4 dm 
erect, and like the stems irregularly and roughly — leaves 
5-8 cm. long, 1.5-2 cm. broad, lance-oblong fro road 
clasping and slightly decurrent base, with acute du mostly 
pungent apex and coarsely, strongly pungently serrate mar- 
gin, midrib prominent, the veins obscure, very finely and very 
strongly reticulate; heads terminal, solitary, nearly 2 cm. long; 
involucre a little more than 1 cm. long, nearly 2 cm. broad, 
hemispherical-cupulate, the margin little if at all contracted; scales 
very loosely imbricated, the outer linear, wholly herbaceous, 
thick, drooping or loosely spreading, the inner landdolate, middle 
and upper portions green, the latter loosely spreading; rays about 
twice the length of the involucre, one-third longer than the disk, 
deep yellow, oblanceolate, strongly 8—10-nerved, slightly notched ; 
akenes. (of the disk) 2 mm. long, 1 mm. broad, strongly com- 
pressed, the margins dilated; awns mostly 5, 6 mm. long, acicular, 
pungent; corolla 5.5 mm. long ; appendages of the style triangular. 
Vic. Cochabamba, 1891 (1055). 
Near G. pulchella Dunal. 
Laestadia Lechleri Wedd. Chlor. And. 1: 184. Vic. Mapiri, 12,- 
000 ft., Sept., 1892 (1576) — Rusby’s 2667. 
Erigeron hieracioides Wedd. Chlor. And. 1: 194. Espirito Santo, 
1891 (1219) — Rusby's 2716 and 2717. 
Baccharis trimera DC. Prod. 5: 425. Vic. Sorata, 1892 (1313) 
— 692, and Rusby's 1564. 
Baccharis trinervia (Lam.) Pers. Syn. 2: 423. Espirito Santo, 
1891 (1202). An extreme form, with ovate acuminate leaves. 
BACCHARIS DEBILIS sp. n. 
Herbaceous, glabrous, the stems erect, very slender, 5 dm. 
high, or more, with 3-5 strong angles and twice as many secondary 
ones, the branches similar, strongly ascending; petioles 3-7 mm. 
long; blades 5-15 cm . lon ng, .7—2.5 cm. broad, lance-ovate, with 
acute base gradually contracted into the petiole, long regularly 
acuminate and acute apex, and lightly sinuate, shortly ciliate mar- 
gin, thin but rigid, dark green, 3-nerved, the midrib lightly im- 
pressed above, prominent beneath, veins moderately prominent 
beneath, reticulate; cymes few and small, loose with few heads, 
