168 SENGENESIA, SUPERFLUA. 
calix is very short, flat, and ‘horizontally spreading; the 
leaflets of the paleaceous pappus awned, and the seeds — 
villous; the leaves are also alternate and entire. The 
proximate affinity of the present genus is to Tagetes. 
569. BOLTONIA, Schreber. 
Calix imbricated. Rays numerous. Recep- 
taele conic, punctate. Seeds flat and marginat- 
ed. Pappus consisting of many minute sete, 
with 2 of them opposite and mostly elongated. 
_ Herbaceous; leaves entire; stems divaricately bran ched; 
peduncles terminal, 1-flowered. Rays pale violet. 
Species. 1. B. gilastifolia. The leaves when bruised 
smell something like Fennel. 2. asteroides.—The only 
species of the genus. 
570. BELLIS. £. (Daisy.) 
Calia hemispherical; leaflets equal. Seed eb- 
- ovate. Receptacle naked, conic. Pappus none. 
___Leaves radical; scapes 1-flowered; rays white or pur- 
sd The caulescent species ought probably to be sepa- 
rated. 
Species. 1. B. integrifolia, No botanist has yet col- 
lected this plant since Michaux. Is it not an Kelipta? 
571. CHRYSANTHEMUM. L. (Ox-eye.) 
Calix hemispherical, imbricate; innermost 
scariose. Heceptucle naked, Pappus none. 
m simple or branched; leaves simple or pseudopin- 
baie ci vfoal, solitary aF Coryn ©. OF pscuciop 
Species. 1. C. Leucanthemum. Introdu uced, and now 
- abundahtly naturalized in the middle states. 2. arcticum- 
BESS celtorna: ogee 
‘serotinum.—An European genus. 
