liXXi. composit.t:. 45 



lic;ules spreading, entire or coarsely 2-3-tootliecl ; corollas of ^ llowers 

 yellow. Anther-bases obtuse. Style-arms of ^ flowers with long 

 hairy appendages. Pappus of 2 retror;;ely scabrid bristles. Aohenes 

 dorsally compressed, linear or ovoid, sometimes almost winged, truncate 

 at the apex, glabrous. — Distrib, Tropical Asia and Australia ; 

 species 5. 



1. Glossogyne pinnatifida, DO. in IVijJit, Contrih. (1834) p. 19. 

 Perennial, with a woody fusiform root; stems numerous from the root ; 

 branches chiefly from near the top, slender, forked. Leaves chiefly 

 radical, erect, coriaceous, 1-2 in. long (including the petiole), pinnatifid ; 

 segments few, linear-oblong, subacute, entire, glabrous. Flowering 

 branches 6-12 in. long, almost leafless, grooved, glabrous. Heads 

 \-Y^ in. in diam., elongating in fruit. luvol. -bracts connate at the 

 base, linear-oblong, obtuse. Eay -flowers liguLite, yellow, ligules 

 3-toothed. Pappus of 2 retrorsely scabrid spreading awns. Achenes 

 i-^ in. long, Imear-oblong, grooved, glabrous, dark-brown. Fl. B. I. 

 V. 3, p. 310 ; Dalz. & Gibs. p. 129 ; C. B. Clarke, Comp. Ind. p. 141 : 

 Trim. Fl. Ceyl. v. 3, p. 41 ; Woodr. in Jouru. Bomb. Nat. v. 11 (1898) 

 p. 650 ; Watt, Diet. Econ. Prod. v. 3, p. 508.— Flowers : Sept.-Oct. 



Eare in the Bombay Presidency. S. M. Country : Balzcll ^ Gibson; north of 

 Dharwar, Ritchie, 1096 ! — Distrib. India (Western Bengal, Gangetic plain, Kumaon, 

 W. Peninsula) ; Ceylon. 



A preparation of the root has been used as a remedy in the case of snake-bite and 

 scorpion-stings. See Watt, Diet. Econ. Prod. 1. c. 



37. TRIDAX, Linn. 



Perennial herbs branched at the base. Leaves opposite, inciso- 

 dentate or pinnatisect; segments few, narrow. Heads on very long 

 peduncles, heterogamous, rayed ; ray-flowers 5 , fertile ; disk-flowers ^ , 

 fertile. Involucre ovoid, campanulate or subhemispheric ; bracts few- 

 seriate, slightly unequal, the outer broad, herbaceous. Eeceptacle flat 

 or convex ; palea? membranous. Corollas of 2 flowers ligulate or sub- 

 bilabiate, the outer lip large, 3-fid or 3-partite, the inner small, 2-lobed 

 or 2-partite, or ; corollas of ^ flowers regular, tubular, the limb 

 elongate, slightly enlarged at the apex, shortly 5-fid. Anthers sagittate, 

 with short acute auricles at the base. Style-arms of ^ flowers hairy 

 above ; tips subulate. Pappus paleaceous, the bristles numerous, aristato- 

 acuminate, plnmoso-ciliate, long or short. Achenes turbinate or oblong, 

 more or less sericeo-villous. — Distrib. Tropical America ; species 7, of 

 which 1 species (the following) has been naturalized in India. 



1. Tridax procumbens, Linn. Sj). PI. (1753) p. 900. A strap^gling 

 herb 1-2 ft. high ; stem and branches hairy. Leaves 1-1| by |-1 in., 

 ovate-elliptic, acute, deeply inciso-dentate or pinnatisect, clothed on 

 both sides with short hairs from glandular bases, base acute ; petioles 

 |-^ in. long, densely hairy. Heads ^-| in. in diam., solitary ; peduncles 

 very long, sometimes exceeding 12-14 in. long, slender, sparsely clothed 

 with weak spreading white hairs. Outer invol. -bracts very hairy, ovate, 

 acuminate ; inner bracts membranous, oblong, slightly longer than the 

 outer, pubescent on the back. Eay-flowers ligulate, the ligules yellow, 

 deeply 3-partite, the middle lobe the smallest ; the upper lip obsolete ; 

 tube of the corolla hairy. Pappus of numerous slightly unequal aristate 

 feathery bristles. Achenes yV iii- long, oblong, densely silky-hairy, 



