42 Flora of the Malayan Peninsula. 



fil. Fl. Br. Ind. III. 304 ; Prain Bengal Plants ; 610. Lam. 111. t. 

 687. E. alba, Hassk. PI. Jav. Ear. 528; Clarke Comp. Ind. 134; 

 Hook. fil. PI. Br. Ind. III. 304. E. marginata, Boiss. Fl. Orient. 

 III. 249. E. prostrata, Linn. Mant. II. 266 ; Eoxb. Fl. Ind. III. 438. 

 E. prostrata, unclulata, and parvifiora, Wall. Cat. 3209, 3210, 3213. 

 Verhesina alba and prostrata, Linn. Sp. PI. 902. 



In all the provinces. In and near cultivated ground. — Distrib. 

 The tropics generally. 



16. Wedelia, Jacq. 



Hirsute or scabrid-pubescent herbs or undershrubs, sometimes 

 scandent. Leaves opposite. Heads axillary or terminal, hetero- 

 gamous, rayed. Bay-florets $ , fertile, ligulate, spreading, entire, 

 or 2-toothed at the apex. Disk-florets § , fertile or the inner sterile ; 

 the corolla tubular, regular, with elongate 5-toothed limb. Involucre 

 campanulate or sub-hemispheric ; its bracts sub-2-seriate, the outer 

 3 to 5 usually herbaceous, the inner dry ; receptacle flat or convex, 

 the pales enclosing the flowers. Anthers entire or sub-sagittate at- 

 the base. Style of § florets with acute arms hirsute at their 

 tips. Cypselas cuneate-oblong or obovoid, thick, smooth or tubercled, 

 laterally compressed or the outer triquetrous, tip rounded, margins 

 obtuse or thickened ; pappus none, or reduced to a toothed cup or ring, 

 or sometimes of short scales with occasionally a few bristles. — Distkib. 

 Species about 70, tropical and sub-tropical. 



Wedelia biflora, DC. in Wight Contrib. Fl. Ind. 18. Scandent ; 

 stem and branches hispid-puberulous when very young, afterwards 

 almost glabrous, obtusely 4-angled, grooved when dry. Leaves mem- 

 branous, broadly ovate or ovate-subrhomboid to lanceolate, apex 

 acuminate, edges coarsely serrate except at the broad, slightly 

 cuneate base ; both surfaces dull olivaceous green when dry, 

 minutely reticulate, sparsely hispid-puberulous ; main-nerves one 

 large pair ascending from the base of the midrib to near the apex, 

 branching outwards and one or two smaller pairs from above the 

 middle of the midrib, all distinct on both surfaces ; length 2 to 4-5 in. ;. 

 breadth 1-25 to 2-75 in.; petioles '75 to 1-5 in., those of the branches 

 smaller. Heads about "5 in. in diam., solitary on a short peduncle 

 •75 in. or less in length, or 2 to 4 on peduncles two or three times as 

 long. LivoUicral bracts in two rows, oblong or ovate -lanceolate, 

 apiculate, concave, scabrid-puberulous outside like the peduncles, 

 often recurved. Ripe cypselas triquetrous, scaberulous, the apex 

 with some hairs and several short bristles, one longer than the 

 others. Hook. fil. Fl. Br. Ind. III. 306. W. scandens, Benth. ; Prain 

 Bengal Plants, 612 ; Clarke Comp. Ind. 136 (excl. syn.). Woolastonia 

 252 



