190 45. coMPosiiJB. 



"** Scales of the receptacle linear setaceous acute. Mabuta Cass. 



2. A. Cot'ula (L.) ; receptacle long conical, fr. terete tuber- 

 cular-striate crowned witE a crenulate margin surrounding a 

 slightly convex disk, 1. bipinnatifid nearly glabrous, lobes linear 

 acute mostly entire.—^. S. 1772. -R. xvi. 1000.— St. 1—2 feet 

 bigb, branched, angular, furrowed. Heads solitary on long ter- 

 minal stalks ; scales confined to the central part of the receptacle; 

 disk yellow ; raj/ white, ti^ually vrithout styles. Oor.-tube 2- 

 winged. Phyll. blunt, with white membranous margins. Fetid 

 and acrid. — Fields and waste places. A. VII. — IX. E. S. I, 



*** Scales of the receptacle thin menibranous hlunt. 



3. A. nob 'His (L.) ; receptacle conical, fr. subtrigonous, smooth, 

 1. bipinnate, leaflets linear-subulate slightly downy rather fleshy 

 acute.— ^. B. 980. St. 27. \6.—St. ]n-ocumbe?it, 1 foot long, 

 much branched. Heads solitary,, terminal ; disk yellow; ray 

 white. Pleasantly aromatic. — Gravelly and sandy places. P. 

 VII. Vin. Chamomile. E.S.I. 



[^Anacy'clus radidtus (Lois.) ; 1. bipinnatifid rather wooUy, 

 lobes linear-subulate, outer phyll. hairy on the back, inner blunt 

 dilated diaphanous above. — ^Head solitary; ray yellow. — Dunboy 

 Quay, Bearhaven, Cork. Accidental. A. VIl.] I. 



16.(17.) Maibioa'eia Linn. 'Feverfew. 



Jl. 31. Partheniutn (L.) ; I. stalked pinnate, Its. ovate or oblong 

 pinnatifid, lobes out, st. branched, heads corymbose, phyll. linear 

 blunt, receptacle convex, fr. crowned with a short jagged mem- 

 brane. — Pyrethrum Sm. E. B. 1231. — St. erect, 2 feet high, 

 branched, furrowed, panicled. Heads in small corymbs termi- 

 nating the stem and branches ; disk yellow ; ray white. — Waste 

 places, not very common. P. VH. VHI. Feverfew. E. S. 



2. M. inoddra (L.) ; I. sessile pinnatifid mth many capillary 

 pointed segments, st. branched, heads solitary, phyll. lanceolate 

 blunt, receptacle ovate, fr. rugose and mith 2 glandular spots on 

 the external face 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 afterwards 

 truncate ; recept. hemispherical afterwards conical, mvich longer 

 than broad. Fr. with 3 prominent smooth ribs. — /3. salina ; 1.- 

 g3gm. short fleshy linear bluntish convex above, principal ribs 

 keeled beneath, inv. and recept. as in typical plant. E. B. 979. 

 L. with short crowded mostly opposite segments. — y. M". mari- 



