CL. XIX.]] SYNGENESIA POLYGAMIA SUPERFLUA. 329 



corolla rayed ; florets of the disk numerous, perfect, tubular, with 

 five equal, spreading segments ; those of the ray strap-shaped, 

 slightly notched, more numerous than the scales of the calyx. 

 Filaments hair-like, very short ; anthers united into a cylindrical, 

 notched tube. Germens inversely egg-shaped. Style thread- 

 shaped ; stigmas oblong, spreading. Seed inversely egg-shaped, 

 compressed; seed-down none. Receptacle conical, hollow, dotted 

 and naked. Named from bellus, pretty. 401. 



1. B. pertnnis. Common Daisy. Root creeping; flower-stalk leafless. 



Leaves numerous, lying flat on the ground ; inversely egg-shaped, 



crenate, slightly hairy, tapering at the base ; stalks from two to four 

 inches long, round, hairy, each bearing a single flower, having a yellow 

 conical disk, and a white ray tinged with purple. A variety, called the 

 Hen and Chicken Daisy, sometimes occurs, in which several small stalks, 

 bearing diminutive flowers, spring from the flower. Perennial : flowers 

 from March to November, but individuals may be seen in flower at all 

 seasons: grows in pastures and meadows, abundantly. Eng.Bot, vol. vi. 

 pi. 424. Eng. FL vol. iii. p. 447. 1208. 



37. CHRYSA'NTHEMUM. OX-EYE. CORN MARIGOLD. 



Common calyx hemispherical, closely imbricated, with nume- 

 rous, roundish scales, membranous and dilated at the margin, the 

 innermost terminating in a filmy appendage. Compound corolla 

 rayed ; florets of the disk very numerous, perfect, tubular, with 

 five equal, spreading segments ; those of the ray more than twelve, 

 strap-shaped, between elliptical and oblong, with three teeth. 

 Filaments hair-like, very short ; anthers united into a cylindrical, 

 notched tube. Germen inversely egg-shaped. Style thread-shaped, 

 a little longer than the stamens ; stigmas oblong, spreading. Seed 

 oblong, or inversely heart-shaped, striated ; seed-down none. Re- 

 ceptacle a little convex, naked. Name from chrysos, gold, and 

 anthos, flower. 402. 



1. Ch. Leucdnthemiim. Great White Ox-eye. Moon-Jlmeer. Leaves 

 oblong, cut, pinnatifid at the base, clasping the stem ; root-leaves in- 

 versely egg-shaped, stalked. Stem about two feet high, erect, fur- 

 rowed : flowers large, solitary, terminal, with a yellow disk, and white 

 ray. Perennial : flowers in June and July : grows in dry pastures and 

 by roads : common. Eng. Bot. vol. ix. pi. 601. Eng. FL vol. iii. 

 p. 449. 1209. 



2. Ch. segetum. Corn Marigold. Leaves clasping the stem, broadly 



serrate above, toothed at the base, glaucous. Stem from one to two 



feet high, branched, angular, bearing several terminal, large, rich yellow 

 flowers. Annual : flowers in June and July : grows in corn-fields, 

 abundantly. Eng. Bot. vol. viii. pi. 540. Eng. Ft. vol. iii. p. 450. 1210. 



38. PYRE'THRUM. FEVERFEW. 



Common calyx hemispherical, closely imbricated, with several 

 oblong, nearly equal scales, bordered with an equal membrane. 

 Compound corolla rayed ; florets of the disk numerous, perfect, 

 tubular, with five equal, spreading segments ; those of the ray 



