156 DESCRIPTION OF ASTERS; DIVARICATI 
Name, L., probably from the escaping green s als. 
FIG, 10, "ivi plant of Lobelia Run, D. C., Oc, 22,788, in hb. Au. a, b, c 
d, e, from Alexander, Pa., 1849, 7. C. jiu in hb. Pn b, characteristic radical, 
etc., from Nees’ type in hb. Gray. 
. viridis Nees ; in his hb., sheet now in hb. Gray. 
Radicals forming a dense tuft, mostly 6 x 3 in., or even 10 
a 
UN 
A 
ANKE ofl 
Fic. IO. 
Margins very coarsely and irregularly crenate-serrate or on smaller 
leaves deeply aquiline-serrate. Veins pale, often conspicuously 
so. Leaf-form prominently acute, little or not at all incurved 
below the apex. Sinus deep and broad, ~ highly asymmet- 
rical; seeming narrow in pressed speci due to overlap- 
ping. Petiole about the length of the leaf breadth, strong and 
thick, without margins. Sometimes a few smaller radicals are 
