ROBINSON AND GREENMAN. — GENUS VERBESINA. 563 
§12, Lipactinia. Rays none: heads small. 
* Leaves (at least in great part) opposite. 
+ Erect shrub: leaves serrate, pubescent: Mexican. 
100. V. paucirLora, Hemsl. Biol. Cent.-Am. Bot. ii. 189 (1881). 
V. cymosa, Gray, Proc. Am. Acad. xxi. 390 (1886).— Cerro de Pinal, 
Seemann, no. 1468; S. W. Chihuahua, Palmer, no. 135. 
+ + Perennial herb: leaves serrate, scabrous: S. American. 
101*. V. Grisesacum, Baker, l. ¢. 214. V. helianthoides, Griseb. 
Symb. F]. Argent. 194, not Michx. — Argentine Republic, Entre Rios, 
to Concepcion del Uruguay (acc. to Baker, 1. c.). 
* * Leaves alternate, bipinnatifid: Brazilian. 
102*. V. srprnnatiripa, Baker, 1. c. 218.— Minas Geraés, Brazil, 
Martius. 
* * * Leaves alternate, undivided, auriculate at the base: Mexican. 
103. V. aurrcutata, DC. Prodr. y. 617; Klatt, Leopoldina, xxiii. 
144, — Tehuantepec, Andrieux, no. 302; Villa Alta, Liebmann, 
no. 211 
* * * * Leaves alternate, undivided, exauriculate. 
+ Leaves very large, 1.5 to 8 dm. long, 4 to 8 em. broad. 
++ Brazilian. : 
= Achenes broadly winged. 
104*, V. rrorrpunpa, Gardner in Hook. Lond. Jour. Bot. vii. 407 ; 
Baker, 1. c. 212. — Minas Geraés, Gardner, no. 4927. 
= = Achenes narrowly winged. 
105*. V. nicotranzrouia, Baker, |. c.— Brazil without locality, 
Pohl, no. 621, 
++ ++ Andean. 
106. V. arnorea, HBK. 1. c. 202; DC. lc. 617. V. Cumingii, 
Sch. Bip. Linnea, xxxiv. 528.— Mountains about Quito, Zumboldt & 
Bonpland ; near Sorata, Bolivia, Mandon, no. 56. 
4 + Leaves smaller. 
++ Leaves sparingly pubescent beneath. 
= Leaves “sessile’’: heads numerous. 
107*. V. guranensis, Baker, 1. c. 211. — British Guiana, Schom- 
burgk, nos. 194, 654.— Not seen by the writers. 
