618 BENGAL PLANTS. [Galinsoga, 
serrate. Calyzx-limb paleaceous or obsolete. Petals of ray-florets 
connate in ligulate corollas, with yellow, spreading, entire or 
toothed lamina; of disk-florets in regular tubular corollas, with 
narrowly campanulate, minutely 5-toothed limb. Stamens synge- 
nesious; anthers with subentire base. Style of hermaphr 
florets with acute arms, or arms slender with an acute, short tip. 
Cypsela angled, or the outer dorsally compressed ; pappus of a 
few scarious, entire awned or fimbriate scales, of the ray often 0. 
1100. GaLINsoGa PARVIFLORA Cav.; iF. B. I, ii. 811 
- Bengal, occasionally. ; 
A weak, erect herb, appearing occasionally as a cold- 
weather weed, but not persisting. 
484, Tridax Linn. 
Perennial herbs; leaves opposite, pinnatisect; segments few, — 
narrow. Flower-heads very long-peduncled, medium, hetero- 
samous, rayed ; ray-florets female ; disk-florets hermaphrodite, all 
fertile ; involucre campanulate; bracts few-seriate, outer short, 
broad, herbaceous ; receptacle flat or convex ; pales membranous. 
Calyz-limb bristly. Petals of ray-florets connate in ligulate or 
2-labiate corollas, with a large 3-fid or 3-partite outer, and a 
In all the provinces. 
A weak, straggling, perennial herb. 
485. Chrysanthemum Linn. 
Perennial or annual herbs, rarely shrubs; leaves alternate, 
entire, toothed, lobed or pinnatifid. ower-heads large, ter 
minal, long-peduncled, or smaller and corymbose, heterogamous, 
rayed, very rarely homogamous from abortion of ray; ray-florets 
ale, 1-seriate ; disk-florets hermaphrodite, all fertile ; involucre 
