CL. XIX. J SYNGENESIA POLYGAMIA SUPERFLUA. 331 



with a slight border. Receptacle convex, covered with lance- 

 shaped chaffy scales. Named from anthemos, a flower. 405. 



1. A.mariiima. Sea Chamomile. Leaves twice pinnatifid, acute, 

 fleshy, dotted, somewhat hairy ; stem prostrate ; scales of the receptacle 



acute, prominent. Stems about eight inches long, angular, branched, 



cottony : inner scales of the calyx torn : disk of the flowers convex, 

 yellow : ray cream-coloured. Annual : flowers in July : found at Sun- 

 derland, in Durham, by Mr. E. Robson. Eng. Bot. pi. 23?0. Eng. 

 Fl. vol. iii. p. 456. 1214. 



2. A. nobilis. Common Chamomile. Leaves twice pinnate, with semi- 

 cylindrical, acute, somewhat downy segments; stem procumbent ; scales 



of the receptacle membranous, obtuse, shorter than the disk. Stems 



about eight inches long, branched, furrowed, downy : flowers terminal, 

 solitary, with a convex yellow disk and white spreading ray. The leaves 

 and flowers have a strong smell, and a bitter taste. The latter are used 

 in infusion as a stomachic and antispasmodic. Perennial : flowers in 

 August and September : grows in dry pastures in various parts of 

 England. Eng. Bot. vol. xiv. pi. 980. Eng. Fl. vol. iii. p. 456. 1215. 



3. A. arvcnsis. Corn Chamomile. Leaves twice pinnatifid, hairy, with 

 narrow lance-shaped segments ; receptacle conical, with lance-shaped, 



acute, prominent scales ; seeds crowned with a border. Stem from 



twelve to eighteen inches high, erect, much branched, covered with soft 

 hairs : flowers solitary, on long terminal stalks, their di-k and scales 

 bright-yellow, the ray white. Biennial: flowers in June and July: 

 grows in fields and waste ground : rare. Eng. Bot. vol. ix. pi. 602. 

 Eng. FL vol. iii. p. 457. 1216. 



4. A. Ciitnla. Stinking Chamomile. Leaves twice pinnatifid, smooth, 

 with linear segments ; receptacle conical, with bristle-shaped scales ; 



seeds without a border. Stem a foot or more high, erect, bushy: 



flowers solitary, on terminal striated stalks : disk pale-yellow : ray white. 

 Fetid and acrid, blistering the skin. Annual : flowers in June and July : 

 grows in corn-fields and waste ground. Eng. Bot. vol. xxv. pi. 1772. 

 Eng. Fl. vol. iii. p. 458. 1217. 



5. A. tinctoria. Ox-eye Chamomile. Leaves twice pinnatifid, serrate, 

 downy beneath ; stem erect, corymbose ; seeds crowned with a mem- 

 branous undivided border. Stem eighteen inches high, angular : 



leaves sessile, with acute, notched segments, cottony beneath : flowers 

 large, bright-yellow in both the ray and disk. Perennial : flowers in 

 July and August. Found in Essex by Mr. Dickson, and near Forfar by 

 Mr. G. Don. Eng. Bot. vol. xxi. pi. 1472. Eng. Fl. vol. iii. p. 459. 



1218. 



41. ACHILLA/A. MILFOIL. 



Common calyx egg-shaped, imbricated, with several egg- 

 shaped, acute, close scales. Compound corolla rayed ; florets of 

 the disk perfect, tubular, with five equal, spreading segments ; 

 those of the ray from five to ten, flat, roundish, inversely heart- 

 shaped, with a small intermediate lobe. Filaments hair-like, very 

 short; anthers united into a cylindrical tube. Germen small, 

 inversely heart-shaped. Style thread-shaped, as long as the sta- 

 mens; stigmas obtuse, spreading. Seed inversely egg-shaped, 



