251 
irregularly triangular, the base varying from shortly produced to 
truncate or sub-cordate, the apex blunt, margin irregularly and an- 
gularly several-toothed, very thick, 3-nerved from near the base, 
mostly with a second strong pair of veins above the middle; spikes 
sessile, simple or branched, blackish, interrupted, the glomerules 
globular, sessile, 3-4 mm. in diameter; staminate flowers with 
perianth segments 5, less than 1 mm. long, orbicular-spatulate, 
strongly concave, thick, black-mottled without; fertile stamens 5, 
at length exserted and pistil not perceptible ; pistillate flowers and 
fruit not seen 
Vic. La Paz, 10,000 ft., 1889 (181) — Rusby's 1529. 
PHYTOLACCACEAE. 
Rivina laevis L. Mant. 3. Yungas, 1890 (574). 
VILLAMILLA RACEMOSA Britton, n. sp. 
More or less bristly SCH throughout, very dark; petioles 
broad, 2-3 cm. long, blades 8-15 cm. long, 3-6 cm. broad, oblong-. 
ovate, obscurely crenulate, thin, ess recticulate with very 
dark veins, the upper surface glabrate, the base more or less nar- 
rowed but obtuse, apex acuminate or acute ` racemes peduncled, 
elongated, tapering and acute, becoming loosely flowered; pedi- 
cels solitary, subulate-bracted from the rhachis, only 5-7 mm. 
long, divaricate; bud oblong, perianth blackish (as dried) 4 mm. 
long, striate, mostly reflexed in anthesis; stamens 8 or 12 (mostly 
8), the filaments longer than the pistil. 
Yungas, 1890 (414) — Rusby's 743. Acn 4 to Dr. Brit- 
ton, not the same as a specimen collected by Pearce at the same 
locality. 
Petiveria alliacea L. Sp. Pl. 342. Yungas, 1890 (506). 
Phytolacca icosandra L. Sp. Pl. Ed. 2, 631. Yungas, 1890 (486). 
POLYGONACEAE. 
Polygonum lacerum H.B.K. Nov. Gen. 2: 179 (?). Vic. La Paz, 
10,000 ft., 1889 (130). 
Rumex crispus L. Sp. Pl. 335. Vic. La Paz, 1889 (51). 
Rumex conglomeratus Murray, Prodr. Fl. Gott. 52. Vic. Cocha- 
bamba, 1891 (955). 
SARCOGONUM FRUTICULOSUM (Walp.). (Polygonum fruticulosum 
Walp. Nov. Act. Ac. Leopold, 19 [3843]: Supp. I, 407. 
Muehlenbeckia rupestris Wedd., Ann. Sci. Nat. [UL] 13 [1849]: 
256.) Vic. La Paz, 1889 (132). 
Mem. Torr. Bor. CLUB, Vol. IV., Part 3, Sig. 4, April 3, 1895. 
