284 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Nichol Bay, N. W. coast, F. Gregory's Expedition ; Victoria River and 

 Hooker's Creek, F. Mueller (hb. Gr., hb. U. S.) ; islands of the Gulf of 

 Carpentaria, R. Brown; in the interior, M'Douall Stuart's Expedition; 

 Albert River, Henne ; Balonne River, Queensland, 3Iitchell (hb. Gr.) : 

 these ace. Benth. Fl. Aust. iii. 546 (1866). 



* * Leaves lanceolate to elliptical ; American. 

 2. F. REPANDA, Lag. Herbaceous, stem 30 to 120 cm. high, green or 

 reddish, dichotoraous, striate, glabrate : leaves opposite, lanceolate, promi- 

 nently 3-nerved, apex rounded or acute, 2 to 9 cm. long, .6 to 2.5 cm. 

 wide, the base of the lower leaves tapering into a sort of petiole, the two 

 opposite ones being connate at the stalk ; the upper leaves are decidedly 

 connate; leaves in three pairs about inflorescence; lanceolate leaves ser- 

 rate, elliptical leaves repand-dentate : heads usually 1-flowered, gathered 

 in dense axillary or terminal clusters : 9 bracts 1 to 2, usually 2, both 

 concave, acute or rounded at apex, even emarginate, one larger than the 

 other : corolla subligulate, emarginate, entire or tridentate, a little over 

 .1 cm. long, lamina the length of the tube, oblique, entire corolla a little 

 over \ length of achene, lower part of tube villous : achene scarcely 

 .1 cm. long: ^ bracts 1 to 2 as in 9 j corolla tube narrow becoming full 

 at throat, lobes acute, reflexed, tube villous as 9 ; anthers with obtuse 

 appendages at apex; filaments thickened immediately below the anther: 

 setae filamentous, slightly flattened and spreading at apex, or flattened 

 throughout as half-aborted bracts ; achene of ^ smaller by ^ than that 

 of 9. — Lag. Gen. et Sp. Nov. 33, no. 406 (1816). Oedera trinervia, 

 Spr. in Bot. Gart. Halle, 63 (1800). Brotera Contrayerva, Spr. in 

 Schrad. Journ. Bot. iv. t. 5 (1800), not Millera Contrayerba, Cav. 

 Nauemhurgia trinervata, Willd. Sp. PI. iii. 2393 (1804). Broteroa trin- 

 ervata, DC. Prod. v. 636 (1836). Brotera Sprengelii, H. Cass. Diet, 

 xxxiv. 304. Flaveria trinervata, Baillon, Hist. PI. viii. 55 (1886). 

 Flaveria trinervia (Spreng.) Mohr, Cont. Nat. Herb. vi. 810 (1901). — 

 Alabama: adventive with ballast. Mobile County, Mohr, Cont. Nat. 

 Herb. vi. 810 (1901) (hb. Geol. Surv.,hb. Mohr). Texas : Barstow, S. M. 

 Tracy, 8161, Oct. 1902 (hb. Gr.) ; Rio Grande, Wright, 2>bQ, Oct. 1849 

 (hb. Gr., hb. U.S.) ; near Donana, valley of Rio Grande, Parry, Bige- 

 low, Wright, and Schott, 593 (hb. U.S.). New Mexico: Mesilla, E. 0. 

 Wooton, 51, June, 1898, alt. 1300 m. (hb. M. B. G., hb. U. S.) ; Roswell, 

 F. S. Earle & E. S. Earle, 304, Aug. 1900, alt. 1,200 m. (hb. M. B. G., 

 hb. U. S.); Las Cruces, Vasey, 184, 1881 (hb. J. D. S., hb. U. S.). 

 CoAHUiL\: San Carlos, Berlandier 2S72, Nov. 1831 (hb. Gr.); Parras, 

 Palmer, 686, Oct. 1880 (hb. Gr., bb. U. S., hb. J. D. S., hb. M. B. G.) , 



