330 SYNGENESIA POLYGAMIA SUPERFLUA. \JCL. XIX. 



numerous, strap-shaped, spreading, with three terminal teeth. 

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

 Germens angular, abrupt. Style thread-shaped, not longer than 

 the anthers; stigmas obtuse, spreading. Seed oblong, angular, 

 abrupt, crowned by an elevated membranous border. Name from 

 pyr, fire or fever. 403. 



1. P. Parthcnium. Common Feverfew. Leaves stalked, compound, 



flat ; leaflets egg-shaped, cut ; panicle corymbose ; stem erect. Stem 



about two feet high : flowers with a yellow disk and white ray. The 

 whole plant has a strong smell and bitter taste. Perennial : flowers in 

 June and July : grows in waste ground, and on rocks and walls: fre- 

 quent. Eng. Bat. vol. xviii. pi. 1231. Eng. Ft. vol.iii. p. 451. 1211. 



2. P. inodorum. Corn or Scentless Feverfew. Leaves sessile, pinnate, 

 with numerous thread-shaped, pointed segments ; stem branched, spread- 

 ing; crown of the seeds entire. Stem about a foot high, angular, 



smooth : flowers large, with a convex yellow disk and a pure white ray, 

 on long, terminal, naked stalks. Annual : flowers in August and Sep- 

 tember : grows in cultivated ground and by roads : common. Eng. Bot. 

 vol. x. pi. 676. Eug. Fl. vol.iii. p. 452. A maritime variety with fleshy 

 leaves is the P. maritimum, Sea Feverfew, of some botanists. Eng. Bot. 

 vol. xiv. pi. 979. Eng. Fl. vol. iii. p. 453. ' 1212. 



39. MATRICA'RIA. WILD CHAMOMILE. 



Common calyx slightly convex, closely imbricated, with several 

 oblong, nearly equal scales, membranous at the edges. Compound 

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

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

 strap-shaped, spreading, abrupt, with three terminal teeth. Fila- 

 ments hair-like, very short; anthers united into a cylindrical tube. 

 Germen inversely egg-shaped. Style thread-shaped, as long as the 

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

 angular; seed-down none. Receptacle naked, nearly cylindrical, 

 hollow. Name from matrix, the womb. 404. 



1. M. Chamomilla. Common Wild Chamomile. Leaves smooth, twice 



pinnatifiil, with linear segments ; scales of the calyx dilated, obtuse 



Stem a foot high, erect, much branched, smooth, striated: leaves sessile, 

 deep-green : flowers large, with a conical yellow disk and white ray. 

 Has the smell of common Chamomile, which it also resembles in the 

 flowers. Annual : flowers from June to October : grows in cultivated 

 and waste ground : frequent. Eng. Bot. vol. xviii. pi. 1232. En*. Fl. 

 vol. iii. p. 454. 1213. 



40. A'NTHEMIS. CHAMOMILE. 



Common calyx hemispherical, closely imbricated, with several 

 oblong, nearly equal scales. Compound corolla rayed ; florets of 

 the disk numerous, perfect, tubular, with five equal, spreading 

 segments; those of the ray numerous, strap-shaped, abrupt, three- 

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

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

 shaped, as long as the anthers ; stigmas oblong, spreading. Seed 

 inversely egg-shaped, somewhat compressed, generally crowned 



