FLORA OF SOUTH AMERICA AND THE PACIFIC. 31 J) 



ceolate, very acute or mucronate. Capitula small, hemi- 

 spherical, on axillary and terminal peduncles. The genus is 

 very closely allied in character to Isostigma of Lessinij, and 

 indeed only to be distinguished by the achenia and styles: 

 but in habit the two genera are totally dissimilar. 



IIGO. (I.) Thelesperma A'C«i«050/V/e5, Less. — DC. Prodr. v. 

 J). 634. — Bidens paradoxa, Don, mst. — B. megapotamia, 5/?r. 

 — Uraguay and N. Patagonia; Baird ; Tweedie. Province 

 of Cordova ; Dr Gillies. 



1161. (1.) Isosiigma. peucedanifolium, l^es?,. — Tragoceras 

 peucedanifolium, Spr, — Dry hills of the Jacquety, Rio Gran- 

 de and Portalegre ; Tweedie — Lessing remarks that the 

 corolla of the ray is more or less 3-toothed ; in one specimen 

 before us it is trifid, and in another almost tripartite. 



Subtrib. III. Flavi:rie/e. 



1162. (1.) Flaveria Contrayerba, Pers. Sims. Bot. Mag. t. 



2400.— Z)C. Prodr. \.p. 635 F. Bonariensis? DC. Prodr. 



— Cliili ; Menzies; Cuming, (n. 778); Bridges, (n. 491); 

 Mendoza; Dr Gillies, (who observes that the plant is com- 

 monly used immersed in a solution of alum for dyeing yellow 

 or green.) Buenos Ay res; Tweedie. 



Subtrib. IV. Tagetineje. Less. 



1163. (1.) Tagetes glandidifera, DC Prodr. v. p. 644. 

 T. minuta, L. — Mendoza ; Dr Gillies. Valparaiso ; Owning, 

 {71. 777.); Bridges. Buenos Ayres ; Tweedie. Valparaiso; 

 Menzies ; Bridges. 



1164. (2.) T. pauciloba, DC. Prodr. v. p. 644 Cerro del 



Diamante, Mendoza; Dr Gillies. South Chili? C. Darwin, 

 Esq., (n. 280.) 



1165. (3.) T. micrantha, Cav DC. Prodr. v. p. 646 



Mendoza ; Dr Gillies. 



1166. (1.) "Lo-slhema Kimthii — Hymenatherum Kunthii, 

 Less, Comp. p. 237. DC. Prodr. v. p. 642. — Rancagua 

 Bridgesii, Poepp. et Endl. Nov. Gen. t. 25. — Lasthenia obtu- 



