150 COMPOSITE. [Matricaria. 



a membranaceous border. — Flowers with a yellow disk and 

 white ray. — This genus is nearly the same as the last. — Named 

 from its resemblance to the wpeOpov of Dioscorides, so called 

 from 7rvp, fire, on account of its acrid roots. 



Syngenesia. Superfiua. 



1. P. Parthenium, Sm. Common Feverfew. Leaves stalked, 

 compound, flat; leaflets ovate, cut, the uppermost confluent; 

 flowerstalks corymbose ; stem erect ; ray shorter than the 

 diameter of the disk. Br. Ft. 1. p. 365. E. Fl. v.W'i. p. 451. 

 E. Bot. t. 1231. — Matricaria Parthenium, Linn. 



Waste places, frequent about Dublin. On limestone rocks near 

 Belfast; Mr. Templston. FL July. %.— One foot to two feet high, 

 branched. Disk of the floivers yellow, the ray very short, white. — 

 Plant bitter and tonic. 



2. P. inodorum, Sm. Com Feverfew, or scentless Mayweed. 

 Leaves sessile, bipinnatifid, in numerous, capillary, pointed 

 segments; stem branched, spreading. Br. Fl. l.p. 365. E. Ft. 

 v. ii\. p. 452. E. Bot. t. 676. 



Fields and way -sides, common. Fl. Aug.- — Oct. ©. — Stem about one 

 foot high. Flowers large, upon long naked peduncles. Disk very 

 convex ; ray large. Plant slightly aromatic. 



3. P. maritimum, Sm. Sea Feverfeiv. Leaves sessile, bi- 

 pinnatifid, fleshy, pointless, convex above, keeled beneath ; 

 crown of the seeds lobed ; stems diffuse. Br. Fl. l.p. 366. 

 E. Fl. v. iii. p. 452. E. Bot. t. 971. 



Rock-savage near Cork ; Mr. J. Drummond. Near the quay of 

 Killeleagh ; Mr. Ternphton. Derry coast ; Mr. D. Moore. Sea 

 side near the base of Brandon, County of Kerry. Fl. July. %.. — It is 

 perennial, and the flowers are smaller than those of P. inodorum ; yet 

 as Dr. Hooker remarks, in the opinion of many acute Botanists it can 

 only be considered a maritime variety of it. 



15. Matricaria. Finn. Wild Chamomile. 



Fnvolucre hemispherical, or nearly plane, imbricated with scales 

 whose margins are membranaceous. Receptacle naked, al- 

 most cylindrical. Pappus none. — Named from its reputed 

 medical virtues. Syngenesia. Superfiua. 



1. M. Chamomilla, Linn. Wild Chamomile. Leaves gla- 

 brous, bipinnatifid, the segments capillary ; involucre nearly 

 plane, its scales obtuse. Br. Fl. 1. p. 366. E. Fl. v. iii. p. 454. 

 E. Bot. t. 1232. 



Com fields and waste ground, said to have been found near Raheny. 

 Near Cork ; Mr. J. Drummond. In a field at Malone, near Belfast ; 

 Mr. Templeton. Fl. Aug. 0. — Stem about a foot high, erect and 

 branched. Floicers with a conical disk : the rays very obtuse, truncate 

 and toothed. — This has a bitter taste, and a faint but aromatic smell, 

 not unlike that of the true chamomile, Anthemis nubilis. 



