126 
POLYGAMIA, SUPERFLUA. 
Leucanthe- 
mum. 
Cotula. 
terminal segments lanceolate ; peduncles sub um- 
bellate, thickish.— and Fursh. 
Goldenjlowered Groundsel. 
A very ornamental plant, bearing a profusion of fine brilliant 
yellow flowers. Every where on the margins of water-courses, 
common. From afoot to three feet high. It improves much by 
cultivation, as I have found by experiment. Perennial. June, 
July. 
320. CHRYSANTHEMUM. Gen.pl. 130^. (^Corymbiferce.) 
C alix hemispherical, imbricated ; innermost 
scales scariose. Receptacle naked. Pap- 
pus none. 
1. C. leaves amplexicaule, lanceolate, serrated ; 
base cut-dentate; stem erect, branched. — TVilld. 
Icon. FI. Dan. 994. Engl. Bot. 601. 
Ox-eye Daisy. White-weed. Richardson's Clover. 
About a foot or fifteen inches high. Flowers large, white. 
This is an introduced plant, which has become a pestiferous 
weed to our farmers all through the country. In cultivated 
fields, grassy lawns, and on road-sides, every where in profu- 
sion. It is impossible to extirpate it. Perennial. June, July. 
321. ANTHEMIS. Gen. pi. 1312. {Corymbifer<je.) 
Galix hemispherical, subequal. Rays more 
than 5. Receptacle paleaceous ; palese flat, 
with rigid acuminated points. Pappus 
none or marginal. — J^utt. 
1. A. receptacle conical, its scales bristle-shaped ; 
^eeds naked; leaves doubly pinnatifid, some- 
what smooth. — Smith. 
A. arvensis, Pursh, not L. and others. 
Icon. Bart. Veg. Mat. Med. U. S. vol. 1. 1. 14. 
