Cheysanthellum.] COMPOSITJS. 473 



corymbose, heterogamous and rayed, or homogamous and disciform. 

 Jtay'flowers female, fertile ; Ugules spreading, yellow (or white Pj. 

 Disk-flowers 2-8exual, fertile, tubular, limb 5-fid. Involucre 

 small ; bracts 2-3-seriate, narrow, bases connate. Receptacle 

 flat ; pales scarious, flat or concave. Anther-bases obtuse. Style- 

 arms of 2-sexual flowers with long hairy tips. Achenes dorsally 

 compressed, linear, ovoid or almost winged, glabrous, truncate. 

 Pappus of retrosely scabiid bristles. Species 5, in Asia and 

 Australia. 



G. pixinatifida, BQ. in Wight Contrib. 19 ; F. B. I. Hi, 310 ; Watt. E. D.; 

 Cooke Fl. Bomb. H,45. Zinnia bidens, Beiz.; Boxh. Fl. Ind. Hi, 435. 



Boot fusiform, woody. Stems usually many from the root, erect or 

 ascending, 6-18 in. high ; branches slender, forked. Leaves mostly radical, 

 1-2 in. (with petiole), pinnatifid, triangular ; segments few, rigid, 

 linear, acute, glabrous ; veins prominent beneath. Flowering branches 

 6-12 in. long, with a small pinnatisect leaf at each fork, stiff, grooved. 

 Heads few, long-peduncled, i in. in diam. Invol-bracts I in in diam,, 

 linear, obtuse, glabrous. Achenes i-^ in., deeply grooved, black. 



Fairly common in sandy ground, especially along the base of the 

 Himalaya from Dehra Uun to N. Oudh, also in Bundelkhand. Flower 

 Sept. and Oct. Distrib. Punjab Plain, W. Beng. and south to Madras. 

 A preparation from the root is said to be employed by the Santals as a 

 remedy for snake bite and scorpion stings. 



32. CHRYSANTHELLUM, Eich. ; Fl. Brit. Ind. iii, 31U. 



Annual glabrous herbs. Leaves alternate, pinnatifid, or radical 

 toothed. Seads small, peduncled, terminal and axillary, hetero- 

 gamous, rayed. Ray-flowers female, 1-seriate, fertile ; liffule 

 spreading, entire or 2-toothed, yellow. Di&k-flowers 2-sexual, fer- 

 tile, tube short ; limb campanulate, 5-fid. Involucre hemispheric ; 

 bracts 1-2-seriate. Receptacle flat ; pales narrow, flat, scarious. 

 Anther-oases obtuse, entire. Style-arms of 2-sexual flowers 

 slender ; tips long, subulate. Achenes linear-oblong, dorsally com- 

 pressed, smooth ; outer thick, with obtuse margins, often tubercled 

 externally ; inner flat, 2-winged. Rappws a minute corona.— 

 Species 2 or 5, in Asia, Africa, and America. 



C. indicum, DG, Prod, v, 631 ; F. B. I. iii, 310. 



A procumbent diffuse annual. Stems rigid, ^-angular, grooved, glabrous 

 or scabrid. Leaves long petioled, l-'6 in. long, deltoid in outline; 

 segments oblong or cuneiform, obtusely lobed cr cut, with a mucro at 

 the apex of each ultimate division, translucent, succulent ; petiole s 



