ROBINSON AND GREENMAN. — GENUS VERBESINA. 547 
b. Leaves all alternate. 
39*, V. vieureroipEs, Baker, 1. c.— Paraguay at Caaguasu, Ba- 
lansa, no. 852a. 
++ ++ Stems wingless: heads corymbose: South American shrubs. 
= Scales of the involucre short, obtuse or obtusish, very unequal: leaves slender- 
petioled, not at all auricled, 
40. V. auaBrata, Hook. & Arn. in Hook. Jour. Bot. iii. 315; Baker 
lc.211. Vz. helianthoides, Gardn. in Hook. Lond. Jour. Bot. vii. 424, 
acc. to Baker, 1. ec. — Common in the woods of E. Brazil, Martius, no. 
821, Burchell, no. 4593, Sello, nos. 863, 864, 1100, 1101. 
' = = Scales of the involucre about 2-seriate, not very unequal, obtuse to acute, 
canescent-tomentulose: wings of the achenes very narrow: petioles very 
short, narrowly wing-margined and subauriculate at the base or none; leaves 
canescent-tomentose beneath. 
a. Andean. 
41. V. rLeGans, HBK. Nov. Gen. & Spec. iv. 204; Klatt, Leo- 
poldina, xx. 93. — Andes of Ecuador, Humboldt & Bonpland, Jameson, 
outhouy. 
b. EK. South American. 
42. V. suscorpata, DC. Prodr. v. 614 (where described as a shrub) ; 
? Baker 1. ¢. 213 (where described as a perennial herb). ? V. auriculata, 
Hook. & Arn. in Hook. Jour. Bot. iii. 315, not DC. — Uruguay and Ar- 
gentine Republic. 
= = = Scales of the involucre caudate-attenuate, very unequal, gray-villous: 
leaves sessile, subauriculate at the base. 
43. V.Mandonii, Scu. Bre. in herb. Grayish-pubescent shrub with 
terete wingless branches: leaves alternate, ovate-lanceolate to lanceolate, 
acuminate to attenuate, subentire or repandly few-toothed, finely ap- 
pressed-pubescent and somewhat scabrous above, soft-pubescent and paler 
but green beneath, pinnately veined, 6 to 15 cm. long, 1.5 to 3 cm. 
wide, narrowed (gradually or more abruptly) to a sessile sub-biauricu- 
late base; the auricles slightly decurrent and tending to persist upon the 
stem after the fall of the leaf: corymbs about 12-headed, flat-topped, 
Villous to tomentose; involucral scales 3—4-seriate, linear, acute to atten- 
uate: rays about 14, oblong, light yellow, 1.2 cm. long, 4 mm. wide: 
achenes of the disk-flowers oblanceolate, attenuate at the base, narrowly 
and equally winged on both sides above, the wings extending upward on 
