156 LEAFLETS OF PHILIPPINE BOTANY (VoL: I, ARTY 
above the middle especially beneath the flower; heads tur- 
binate 15 mm. long, nearly that in width at the top, about 
15-flowered; involucre uniseriate; its long erect bracts line- 
arly tapering from the base, brown, acute, 3-nerved, with 
whitish margins and with the glabrous basal ones short and 
spreading, receptacle glabrous; flowers all alike, tubular, 
25 in number, 18 mm. long; corolla 11 mm. long, the up- 
per 3 mm. somewhat expanded and halfway divided into 
5 acute or acuminate segments; anthers 2 mm. long, apex 
acuminate, base truneate or obscurely auricled; filaments 
slightly shorter, separately inserted upon the throat of the 
expanded corolla tube; style much exerted; the two arms 
subcompressed, short hairy on the exterior above the middle; 
achenes 4 mm. long; striate, of the same thickness throughout, 
the base with a whitish rim like callous; pappus of dense 
fine silky white 10 mm. long bristles, ultimately separating 
from the small callous rim of the achene. 
Type specimen 5936, A. D. E. Elmer, discovered in dry 
sparsely thicketed places near Baguio, Province of Benguet, 
Luzon, March, 1904. It is distinguished from S. vagans 
Wall. by its much larger and broader flowers, more num- 
erous involucral bracts; and by the absence of ligulate co- 
rollas. 
MINDORO: 
Baco River, April, 1903, Merrill 883. 
LEYTE: 
Palo, January 1906, Elmer 7041. 
53. ERECHTHITES RAF. 
Erect, usually branching herbs, with alternate leaves, 
Inflorescence corymbose or paniculate; heads heterogamous, 
its flowers all discoid, either pink or whitish; involucre cy- 
lindric, swollen at the base, its principal linear bracts with 
or without basal ones; receptacle naked, concave; marginal 
flowers in two or more series, fertile with filiform corollas 
2 to 4-toothed; central ones perfect, 4 to 5-toothed; style 
arms elongated; anthers obtuse at base; achene oblong, striate; 
pappus of copious soft white bristles. 
Species 12; chiefly of the southern hemisphere. 
