COMPOSITE FAMILY. | 187 
said to be naturalized in Dela ; another species is quite common 
about New York, 4. arven ‘sts, Bs git ch has the leaves less divided and 
the chaff of the receptacle poi inted. 
16. ACHILLE’A, L. Yarrow. 
[Named after Achilles, who first sibed the plant.] 
Heads many- or several-flowered ; rays few and saat, pane tube of 
i disk-florets obcompressed. Involucr e ovoid-oblong,—the scales imbri- 
Akenes 
ob nye er mewha ed, ae fine Pi 
0 ong, obcomp { margin tute 0, te e- 
ren esa herbs. Leaves altoftiates mostly pinsatatd. Heads small, co- 
coe 
1. A Millefo’lium, L. Stem mostly inige® ede bipinnately dis- 
sected,—the segments linear, incised-serra te ; corymb compound, 
fastigiate ; rays about ren: 
THOUSAND-LEAF Acmiite Yarrow. Milfoil. 
Fr. La Millefeuille. Germ. Die Scafgarbe. Span. Milenrama. 
a 2-3 feet high | hairy and somewhat i ad sabe mostly simple, corymbose at 
Leaves 2 or 3 dical s stl longer) nearly —_ pach ae 
finely dissected. He numerous a e term astigiate corymb ; rays 
white or often tinged with "purple, ponies Aig oy pron disk. res whitish, ae: tube 
sprinkled with resinous particl Akenes 0! i , slightly margined near the sum- 
Mit, smooth, Receptacle small, flat; ; chaff pein 
Pastures, fence-rows oughout ug United {States : introduced. Native of 
Europe. 1. June -Sept. as poms 
Obs. This foreigner has become completely naturalized. It ig an 
aromatic bitter, and somewhat astringent,—quite lar ag a tonié: 
