53 
Eupatorium Guanaiense, Britton, Bull. Torr. Bot. Club, xviii. 333. 
Yungas, 1890 (417). = Rusby 1735. 
Eupatorium Guadalupense, Spreng. Syst. Veg. iii. 414. Vic. La. 
Paz, 10,000 ft., 1890 (504). = Rusby 1603, not Rusby 1606 nor 
1609. 
Eupatorium Guadalupense ? Yungas, 1890 (254). Near £. panicu- 
latum Schrad. Must be compared further. 
both sides; inflorescence densely scabrous, corymbose-panicu- 
late, dense, 6-12 cm. broad; heads stoutly peduncled 8-9 mm. 
long exclusive of the peduncle; involucre campanulate, lax, 
the scales 8 in two series, sub-equal, green and scurfy, thick- 
ish, especially the outer, linear-oblong, obtuse, 5 mm. long, 
ab I mm. broad; corolla dilated in its upper two-thirds, 
about 6 mm. long, the lobes barely 1 mm. long, broadly ovate, 
obtusish; anthers reaching nearly to the corolla lobes, nearly 
m. long, not at all coherent, the base truncate or very 
minutely produced. 
Vic. La Paz, 10,000 ft., 1889 (27), 1890 (193). Peculiar in the 
genus for its heavy, rank odor and its distinct anthers. Distri- 
buted as Stevia. 
Willoughbya officinalis (Mart.) Kuntze, Rev. Gen. Plant. 372. (Mi- 
бата officinalis Mart. Fl. Bras. vi. Part 2, 221 ,t. 62) Yungas, 
1890 (252). 
acuminate, obtusish, the base rounded, sub-5-nerved, the outer 
pair of nerves incomplete, finely reticulate, the principal veins 
impressed above, prominent underneath, minutely strigose 
both sides; secondary panicles axillary, 10-15 cm. long, their 
peduncles nearly one-half as long as the subtending leaf; heads 
very loosely arranged in very slender racemes, on short pedun- 
cles, oblong with truncate base, 3 mm. long by 1 mm. broad, the 
brown, chartaceous, minutely papillose; flowers 
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