Cotula, POLYGAMIA SUPERFLUA, 437 
Root annual, ramous, Stem short, furnishing numerous, 
approximate, erect branches, particularly near the base, which 
are at first simple, but as the plants advance, they furnish a 
branchlet from the axill of each leaf; all are round, smooth, 
and glaucous ; general height of the whole plant from one to 
two feet. Leaves alternate, one under each branch and 
branchlet, linear, stem-clasping,, bipinnatifid, and pinnatifid ; 
segments sometimes obtuse, others triflingly acute, from one 
to three inches long. Flowers large, of a lively yellow, soli- 
tary, on long terminal, round, glaucous, smooth peduncles, 
Calyx ; scales oblong, imbricated ; margins scariose. Corol, 
it is in general entirely cobigdesil of numerous, hermaphro- 
dite, tubular, five-cleft florets ; more rarely radiate with ligu- 
late, three-toothed females. Seeds with a margin round the 
apex, which often projects inward like a hornlet, Reeepta- 
cle convex, naked, dotted. 
MATRICARIA. Schreb. gen. N. 1308. 
Calyx hemispherical, imbricated ; marginal scales sotid: 
—_—" — Pappus none. 
M. seediibon Willd. iii, 2161. 
Annual, erect, ramous. Leaves cuipbrididealipsandagil fili- 
form ; ray white ; disk yellow. Receptacle conical. 
A native of Hindoostan, and Persia. Flowering time the 
cold season in the Botanic garden, 
ie eee F ‘ . 
COTULA. Schreb. gen. N. 1310. 
‘Receptacte almost naked. Pappus marginate. Florets 
of the disk four-cleft ; of the ray, scarcely any. 
©. sinapifolia. Buch. oe 
’ Annual, sub-erect. Leaves alternate, petioled, pions 
or lyrate, serrate, hairy. Flowers semeees: emall; swb-ter- 
= minal, eens 
