152 LEAFLETS OF PHILIPPINE BOTANY [Vor. I, ART. 7 
Leaves broadly lanceolate, acute. 
3. S. luzoniensis. 
Flowers purplish. 
Leaves cordately ovate. 
4. S. rubiginosus. 
Leaves lanceolate. 
5. S. mindoroensis. 
1. S. benguetense n. sp.—An erect perennial herb, 1 
m. high, sparingly branched below the middle; stem and 
branches striate, woolly pubescent. Leaves membranous, 
alternate, ascending, 10 to 15 cm. long, 5 to 7 cm. wide, 
obovate in outline, irregularly lobed, the lobes obscurely 
dentate and terminating into black callous tips, the veins 
prominent beneath and lateral ones usually forked above the 
middle, its lower surface soft with pale yellow hairs, upper 
surface less pubescent, apex rounded, base long attenuate, 
tha basal pair of small lobes often enlarged and forming 
semiclasping stipules. Inflorescence a spicate thyrse; the 
larger branches subtended by leaf like bracts, those subtend- 
ing the peduncle and pedicels minute, all covered with a 
short yellowish brown pubescence; heads solitary upon 5 mm. 
long pedicels, rather scattering, turbinate or subcampanulate, 
8 mm. long, fully that in diameter across the top; invol- 
ucral bracts in several series, acute or obtuse, linear, brown 
and scarious, mostly glabrous, the margins as well as the 
upper median line finely ciliate; receptacles bearing short 
silky hairs; ray flowers 3 to 5 in number, 8 mm. long; 
its corolla tubular, thickened at or toward the base, the 
upper 2 mm. campanulate and ultimately divided into 5 
acute recurved segments; style entire, not exerted, articulate 
at the base to a projected pedicel; syngenecious anthers 
easily separated from the long slender filaments, 2 mm. long, 
acute, basal lobes finely setose; style clavate, with the stig- 
matic portion exerted; disk flowers numerous; corolla 5 mm. 
long, filiform, tubular for its entire length, terminated by 
3 short erect segments; stamens abortive or wanting; style 
much exceeding the corolla, deeply cleft into slender recurved 
forks; achenes nearly 2 mm. long, short pubescent, 7-costate, 
upon a smooth rounded callous base, those of the disk 
