Flora of the Malayan Peninsula. 37 



form, white yellow, or lilac. Outer florets $ , in several series, fertile, 

 filiform. Disk-florets § , few, sterile, tubular and 5-fid. Involucre 

 broadly ovoid or campanulate ; its bracts few or in many rows, imbri- 

 cate, ovate or lanceolate, dry, rigid ; receptacle flat, naked. Corollas of 

 the ? flowers filiform, shorter than their own styles, their apices with 

 3 teeth ; corollas of the ? flowers regular, tubular, the limb shghtly 

 widened, 5-cleft. Anthers sagittate at the base, their basal auricles 

 tailed. Style-arms of the ^ flowers filiform, entu'e or bifid. Cypselas 

 small, 4- or 5-angled. Hairs of ijappus slender, rigid, in a single series, 

 free, or (in the sterile cypselas) connate in groups. — Disteib. About 

 30 species, tropical and sub-tropical. 



Pluchea indica. Less. ; DC. Prod. V. -iol. A low shrub, glabrous 

 or nearly so ; stems smooth, terete. Leaves membranous, obovate or 

 oblanceolate, the apex obtuse or acute, acuminate or apiculate, 

 narrowed to the base ; edges dentate, serrate or sub-serrate ; both sur- 

 faces olivaceous-brown when dry, glandular ; main-nerves 3 to 6 pairs, 

 curving upwards, bold beneath ; length -5 to 2-75 in. ; breadth -3 to 

 1-25 in. ; petioles -1 in. to -4 in. long. Heads "25 in. in diam., in com- 

 pound terminal puberulous corymbose cymes, much longer than the 

 leaves ; involucral bracts few, rather broad, obtuse. Florets of the 

 disk 3 ; those of the ray numerous. Cypselas minute, ribbed, nearly 

 glabrous ; pappus scanty, spreading, reddish-white. Wight 111. t. 131 ; 

 Clarke Comp. Ind. 93 ; Hook. fil. Fl. Br. Ind. III. 272 ; Prain Bengal 

 Plants 600. P. foliosa, DC. I.e. 451. Conyza corymhosa, Eoxb. Fl. 

 Ind. III. 426 ; Wall. Cat. 3009. C. indica, Miq. Fl. Ind. Bat. II. 58. 

 Baccharis indica, Linn. 



Malacca : Griffith. Penang : Wallich. Singapore : Kurz. Din- 

 dings : Curtis 3451. Peeak : Scortechini 848 ; King's Collector 2893. 

 — Disteib. British India, Malay Archipelago, China, Australia 



11. Sph^eanthus, Linn. 



Annual herbs with spreading branches. Leaves alternate, toothed, 

 •decurrent. Floioer-heads proper, small, heterogamous, disciform, 

 sessile, on a common receptacle, bracteate or not, and forming solitary, 

 globose, or ovoid, a head-like terminal cluster, usually bearing at its 

 base an involucre of a few empty bracts. Outer florets ? , few or 

 many, fertile, slender ; inner solitary or few, § , fertile or sterile ; 

 involucre narrow, its bracts dry, narrow, unequal, acute ; receptacle 

 small, naked ; pappus none. Florets : 2 with fihform, minutely 

 2-3-toothed corollas ; ^ with regular corollas with thickened tube 

 and 4-5-toothed limb. Anthers with sagittate bases acute or tailed. 

 Style of ? florets with filiform arms or entire. Cyioselas oblong, sub- 



