Eee Reo ae ee ee = 
Blake — A Revision of the Genus Viguiera 37 
O. Involucre 3—5-seriate. 
P. Pales boat stiff abrupt recurved cusps 
Lea ese-seereat beneath; —— 

ee ee 
, ves 
Q. Leaves ey eee or entire, R. 
te, S. 
R. Pg jose 5-seria 
. Leaves obovate, strigillose be beneath 
20.. V. purisimae. 
S. ag ovate, 
T. Petioles aks 1-2.8 em. a Mexico. 
T. Petioles 7 mm. long or less; South. Amer- 
ica. 
Involucre 12-14 mm. “ihe 85. 
ang poeta 62 high. . 116. y Ps a 
ate 
Se ee ee ee ee ee 
7. Shraeby Cet Gewese oo pe " V. maculata. 
we Invol beanescentl hispid-pilose. 
ucre su y i 
28. V. rhombifolia. 
W. Involucre not subcanescently hispid- 
ose, 
as Rays O12 Mexico and United 
Peticles pa em. = 
. V. cordifolia. 
X. Rays 14-20; Sout h America. 
wealonger (7-5-11 om.) strongly poten 
O. Involucre 2-seriate, 
Y._ Involuere 6.5-10.5 mm. high, Z. ay 
PU cece cac cde ckns . quilensis. 
Z. present, AA 
See ieee sd ven ee sees 39. V. deltoidea 
BB. Leaves not finely canescen Liakwcieer te be- 
