ROBINSON AND GREENMAN. — GENUS VERBESINA. 563 



§ 12. LiPACTiNiA. Rays none: heads small. 



* Leaves (at least in great part) opposite. 



-1- Erect shrub : leaves serrate, pubescent : Mexican. 



100. V. PAUCiFLORA, Hemsl. Biol. Cent-Am. Bot. ii. 189(1881). 

 V. cymosa, Gray, Proc. Am. Acad. xxi. 390 (1886). — Cerro de Pinal, 

 Secmann, no. 14G8; S. W. Chihuahua, Palitiev, no. 135. 



-1- -I- Perennial herb : leaves serrate, scabrous : S. American. 



101*. V. Gkisebachii, Baker, 1. c. 214. V. heliantholdes^ Griseb. 

 Symb. Fl. Argent. 194, not Michx. — Argentine Republic, Entre Rios, 

 to Concepcion del Uruguay (ace. to Baker, 1. c). 



* * Leaves alternate, bipinnatifid : Brazilian. 



102*. V. BiPiNNATiFiDA, Baker, I.e. 213. — Minas Geraes, Brazil, 

 Martins. 



* * * Leaves alternate, undivided, auriculate at the base : Mexican. 



103. V. AURicuLATA, DC. Prodr. V. 617; Klatt, Leopoldina, xxiii. 

 144. — Tehuantepec, Andrleux, no. 302; Villa Alta, Liebniann, 

 no. 211. 



* * * * Leaves alternate, undivided, exauriculate. 



-t- Leaves very large, 1.5 to 3 dm. long, 4 to 8 cm. broad. 



++ Brazilian. 



= Achenes broadly winged. 



104*. V. FLORiBUNDA, Gardner in Hook. Lond. Jour. Bot. vii. 407; 

 Baker, 1. c. 212. — Minas Geraes, Gardner, no. 4927. 



= = Achenes narrowly winged. 



105*. V. NicoTiANiEFOLiA, Baker, 1. c. — Brazil without locality, 



Pohl, no. 621. 



++ -M- Andean. 



106. V. ARBOREA, HBK. I.e. 202; DC. I.e. 617. V. Cumlngii, 

 Sch. Bip. Linnrea, xxxiv. 528. — Mountains about Quito, Humboldt & 

 Bonpland ; near Sorata, Bolivia, Mandon, no. 56. 



■I- -4- Leaves smaller. 



++ Leaves sparingly pubescent beneath. 



= Leaves "sessile": heads numerous. 



107*. V. GUiANENSis, Baker, I.e. 211. — British Guiana, ScJiom- 

 hurgk, nos. 194, 654. — Not seen by the writers. 



