468 BRITTON: STUDIES OF WEST INDIAN PLANTS 
L gts 1 Ee Sap 
4LLLOALY 
densely clustered, acute, sessile, gl ; stij plyla . 
about one-third as long as the leaves; calyx very small; corolla 
salverform, white, its tube cylindric, 2.5 cm. long, its limb spread- 
ing, 4-lobed, the lobes ovate, acute, nearly 1 mm. long. 
Dry white sand, central districts; type from near Los Indios 
(Britton & Wilson 14197). 
Palicourea elongata Britton & Wilson, sp. nov. 
A shrub 2 m. or more high; twigs, branches of the inflorescence, 
and pedicels minutely hispidulous with brownish hairs; leaves in 
whorls of threes, lanceolate or occasionally broadly oblanceolate, 
‘12-19 cm. long, 4-6 cm. broad, acuminate at the apex, cuneate to 
somewhat rounded cuneate at the base, puberulent above on the 
midvein when young, puberulent beneath, especially on the midvein 
and lateral veins; stipules linear-lanceolate, 8-12 mm. long, ciliate; 
panicle elongate, 7-19 cm. high; calyx-lobes deltoid-ovate, ciliate; 
corolla puberulent, 7-10 mm. long, the lobes triangular-ovate; 
fruit broadly ovoid, 4-5 mm. long, 4-4.5 mm. broad, flattened. 
Arroyo, Las Tunas (Britton & Wilson 14749, type); Arroyo, 
vicinity of San Pedro (Britton & Wilson 15785); Los Indios 
(O. E. Jennings 332). 
Elephantopus arenarius Britton & Wilson, sp. nov. 
Plant 6-8 cm. high, the stem branching from the base; leaves 
cauline, linear, 2-4 cm. long, 1 mm. broad, involute, conspicuously 
ciliate at the broadened, clasping base with long hairs, entire; 
peduncles loosely hirsutulous, 2-3.5 cm. long; glomerules 5-6 mm. 
high; bracts broadly ovate to ovate-orbicular, cordate at the base 
with a linear, ligulate tip, 0.5-1 cm. long, reticulate-veined on 
the back glab : al acuminate, gl h . L (immature) 
2 mm. long; pappus-scales triangular to lanceolate, ciliate. 
White sand, vicinity of Los Indios (Britton & Wilson 14206). 
Closely related to Elephantopus pratensis C. Wright, but dif- 
— in the narrow involute leaves and linear ligulate tipped 
racts. 
Erigeron purpuripes Britton & Wilson, sp. nov. 
_A low, scapose perennial. Leaves tufted, erect, the blades 
elliptic to oblong-obovate, 1-2 cm. long, pinnately few-veined, 
obtuse at the apex, narrowed at the base, ciliolate, puberulent or 
glabrate; petioles very slender, purple, 2 to 4 times as long as the 
blades; scapes nearly filiform, erect, appressed-pubescent, about 
