318 COMPOSITiE. [Achillea. 



w 



Hab. Throughout British North America, from Lake Huron nearly to the Arctic Circle, and from 

 Hudson's Bay to the Pacific Ocean. 



Subtrib. V. Chrys anthemed. Capitulum heterogamum, florihus uniserialibus in ambitu, 

 fcemineis sen neutris^ quorum saltern nonnuUis corollcB Ungulatm s. lingulcBformi-bilahiatcB 

 sunt; reliquis stylum semper bifidum gerentibus, rarius sterilibus. Pappus nullus aut 

 coronifonnis, integer aut rarissime e paleis mimitis, semilanceolatis^ aqualibus coiistans, 

 Antherm ecaudatm. Stylo disci rami^ ubi rachis bracteolata est, semper exappendiculati, 

 pubeque nunquam descendeiite. Achenium' neque rostratum^ neque plano-obcompressum et 

 orbiculare, plerumque angulatum atque costatum. Less. 



1. Anthemide^. Eachide bracteolata. Less. 



40. ANTHEMIS. Linn. 



Hadius foemineus. Achenium exalatum, glabrum, angulatum, areola terminali. Pappus 

 coroniformis, callosus, crassus, integer. Corolla tubo plano-obcoinpresso subexappendi- 

 culata; disci 5-clentata; radii iingulata, lingula oblonga. Stylus disci ramis exappendicu- 

 latis. Involucrum campanulatum. Rachis ampla, convexa.— Herba per totam zonam 

 temperatam horeakm orbis ayitiqui divulgatm, foliis alternis, bi-vel tripinnatisectis ; capitulis 

 tcrminaUbus, solltariis; radio concotori vel albo. Less. 



1. A. Cotula; caule ramoso foliisque 2-pinnatis subvillosis, laciniis subiilatis 3-partitis, 

 ramis floriferis paniculatis, flosculis paleas setaceas superantibus, seminibus apice nudis. 

 Spr.—Linn.^Engl Bot, t. 1772. Nutt. Gen. Am. r. 2. p. 171. Elliott, Carol, v. 2. p. 405.' 

 Bigel. FL BosL ed.2.p,^\4>. 



Hab Lake Huron. Br. Todd. Quebec. Mrs. Sheppard.~-Iniroduced, but abundant throufrhout the 

 United States. ° 



41. ACHILLEA. Zinn. 



Radius fcernineus. Achenium exalatum, calvum, glabrum, areola terminali. Corolla 



disci 5-dcntata tubo plano-compresso bialata, radii Iingulata, lingula brevi. Involucrum 



cylmdraceum. TlacMs parva.-Herbs aut rarius subfrutices per totam zonam temperatam 



mendtonalem orbis antigui pra^cipue divulgatw, foliis alternis, rarius pinnatifidis plerumqve 



variepmnatisectis; ca^lVuWs corymhosis ; vi,A\o plerumque albo, rarius luteo vel purpurascente, 

 5-decemJloro. Less. 



1 A. multiflora ; caule erecto foliisque elongato-lanceolatis argute pinnatifido-serratis 

 glabnuscuhs lacmns serrulatis, corymbo terminali composite, radio brevissimo._A. Ptarmiea. 

 Ihch. m Irankl. ist Journ. ed. 2. App. p. 33. (non aliorum.) 



t 



Hab. ThrousUout the woody country, and as far North as Fort FrankHn. Dr. Richardson. Drummond. 

 -Th,s.,s certainly very d.st.not from the Europoean A. Ptarmiea, not only in foWe, but remarkably so 

 in Its dense compound corymbs, and the extremely short ray of the flowers. 



2. A. Millefolium ; .caule subramoso foliisque 2-pinnatis glabriusculis seu pubescentibus, 

 lacmns Imeanbus serratis, corymbo composito.-Z;««._£„^/. Bot. t. 758. Pursh, Fl. Am. 

 V. 2. p. 563. Elliott, Carol, v. 2. p. 405. 



