70 
M ROBOT. 
pairs of leaves at base, one or two inches long, 
lowest larger subpetiolate, 2 or 3 alterne sessile 
lanceol. adpressed remote further up; but none 
within 8 inches of the flower, the strigose tuber- 
cles very peculiar white unequal ending in a de- 
ciduous stiff white bristle. Flower black pur- 
ple as the disk of Discomela , one inch wide, 
segments of perianthe in 3 rows of 6 to 8 in 
each, the inner colored like the flower nearly 
acuminate, tube of floscules not longer than the 
tubular limb. 
912. AIMQRRA Raf. radiate, perianthe 
simple 8-10partite, rays 8-10 subentire, phoran- 
the flat, chaffs obovate carinate, florets or flos- 
cules tubular without tube 5 dentate, stamens 
inclosed, stigmas exerted, seeds obovate 4gone 
with 4 minute teeth. Erect , leaves alternate ,— 
Very near to my G, Helepta see first part arti- 
cle A cmella, main difference habit alternate, 
and toothed seeds: the name was applied by 
Bioskorides to a Chrysanthemum or Buphthal- 
mum. 
913. Aimorra acuminata R. Acmella alter- 
nifolia Baldw. in Coll. herb. — smooth erect, stem 
angular, leaves alt. petiolate ovate acuminate 
serrate in the middle, trinervate reticulate, 
branches short uniflore, segments of perianthe 
oblong obtuse — in Florida, stem pedal, leaves 
over one inch, flowers few yellow on short foliose 
peduncles or branches, rays apparently obtuse 
entire. 
914. Zinnia floridana Raf. stem solid fus- 
cate triflore, leaves lanceolate, base dilatate 
subamplexicale, peduncle central very long cla- 
vate, segments of perianthe rounded, rays obo- 
vate — an indigenous sp. of this pretty Mexican 
Genus, found in Florida by Kin, in Georgia by 
