MATRIUAKI.A. 
209 
** Scales of the receptac/e linear setaceous acute. 
Maruta Cass. 
2. A. C'ot'vla (L.) ; ■ I'eceptacle long conical, fr. terete tuber- 
ciilar-striate crowned with a crenulate margin surrounding a 
slightly convex disk, 1. bipinnatifid nearly glabrous, lobes linear 
acute mostly entire.—^. B. 1772. H. xvi. 1000.— St. 1- 2 feet 
high, branched, angular, furrowed. Heads solitary on long 
terminal stalks ; scales confined to the central part of the re- 
ceptacle ; disk yellow ; , ay irlrite lisaaUy ii'ithoi't xti/les. Cor.- 
tube 2-vvinged. Phyll. blunt, with white membranous margins. 
Fetid and acrid. [a procumbent sea-sliore form witli Heshy 1. is var. 
■Oicritina Brumf.l — Fields and waste places. A. YII. — IX. 
\ E. S. I. 
Scales of the receptacle thin memhraiious blunt. 
3. A. iiob'ilis (L.) ; receptacle conical, fr. subtrigonous, 
smooth, 1. bipinnate, leaflets linear-subulate slightly downy 
rather fleshy acute. — E. B. 980. St. 27. 15. — .S7. procumhent^ 
1 foot long, much branched. Heads solitary, terminal ; disk 
yellow ; ray white ; cor. -tube cylindric. Pleasantly aromatic. 
Gravelly and sandy places. P. VII. VIII. (Jhainomile. E. I. 
\_Aiiacy'clus radidtus (Lois.). Berehaven, Co. Cork. Acci- 
dental.] 
16. (17.) Mateiua'kia Linn. Feverfew. 
tl. M. Fartheniuiii (L.) ; I. stalked pinrmte Its. ovate or ohlowj 
pinnatifid, lobes cut, st. branched, lieadf coriimhose, phyll. 
linear blunt, receptacle convex, fr. crowned, with a short jagged 
membrane. — Fip-ethrinn Sm. E. B. 1231. — St. erect, 2 feet 
high, branched, furrowed, panicled. Heads in small corymbs 
terminating the stem and branches ; disk yellow : ray white. — 
Waste places, not very common. P. VII. VIII. Feverfev. E. S. 
2. M. inoddru (L.) ; /. sessile pinnatifid with many capillary 
pointed segments, st. branched, heads solitary, phyll. lanceolate 
blunt, receptacle ovate, /r. rugose and with 2 glandular spots on 
the e.rtermil /ctce just below the elevated entire border. — Pyre- 
thrum Sm. E. B. 676. — St. erect, 12 — 18 in. high, smooth, 
angular. L. in very narrow mostly alternate segments. Heads 
solitary, ending the branches ; margin of phyll. cut and fuscous ; 
ray white ; disk yellow. Base of the invol. turbinate after- 
wards truncate ; recept. hemispherical afterwards conical, 
much longer than broad. Fr. with 3 prominent smooth ribs.— 
0 
