1916] 
b. аас ари usually thick or firm іп texture, 
or less succulent in the living state. 
a. Lower leaves ovate to obovate, sub- 
entire to pi dentate. 
I. Lower leaves broadly oval to 
elliptic- oe subentire to cre- 
nate-dentat 
1. Stems 2.5 to 5 dm. high.. 
2. Stems usually lower, 1 to 2.5 
GI c. l Geek cs. Cee T 
II. Lower leaves pe ee en- 
tire to sharply den 
1. Lower leaves ee dentate. 
2. Lower leaves entire or dentate 
towards the apex only....... 
В. Lower leaves mostly oblanceolate, entire 
or dentate chiefly towards the apex 
I. Plants 1 to 4 dm. high; cymes 
open, more or less flat-topped. 
L eio tending to be leafy; 
leav FE 2 em. wide, achenes 
ta da SE 
gien not leafy; leaves nar- 
.5-1 em. wide; achenes 
ing eege 
II. imi less than d hig 
ymes elose, somewhat rounded. . 
bo 
Y. Lower leaves larger, ovate to oblan- 
eeolate, subentire to coarsely and sali- 
ently den tate with subeartilaginous 
oc? 
Т, а ich or a slightly чер 
tate, what gla agami plan 
of the "United Забава 
. Leaves usually eme dentate, 
not glaucous; plants of Mexico. 
= 
M 
74. 
x 
E 
x 
P 
80. 
GREENMAN——MONOGRAPH OF SENECIO 89 
S. laetiflorus 
S. Suksdorfii 
S. rubricaulis 
S. eymbalarioides 
S. acutidens 
S. tridenticulatus 
8. Тағай 
8. anacletus 
8. toluccanus 
