U— ,11 ~\ SYNGENES1A 48^ 



Field Axthbmis. Vulgd—* Wild Chamomile. 



Plant nearly inodorous. 7?oo/ annual. Stem 9 to 15 inches high, mostly erect r 

 striate pilose, branched. Leaves clothed with cinereous hairs, bipinnatcly dis- 

 sected the segments flat, lance-linear, acute. Heads of flowers terminal on elon. 



owned wiih a thick narrow margin. Receptacle conic, chaffy, the chaff mem- 

 branaceous, lanceolate, keeled, with a subulate acumination, as long or longer 

 (sometimes shorter ?) than the florets. 



JIab. Cultivated grounds: frequent. Fl. June. Fr. August* 



Obs. A foreigner, gradually becoming naturalized. 



3. A. Cotula, L. Stem erect, smoothish ; leaves bipinnatifid, tho 

 segments subulate-linear ; ray-florets neuter ; akenes bald, ribbed, 

 mostly tuberculafe ; chaff of the receptacle bristle-form, shorter than 

 the florets. Beck, Bot. p. 212. 

 Maruta faetida. Less. Syn. p. 249. 



jV^-a— Stinking Chamomile. Dog's Fennel. Richardson's Pink. 



Plant strongly fetid. Root annual. Stem 6 to 12 inches high, mostly erect, 

 striate, somewhat pilose, leafy, much branched. Leaves more or less pilose, 

 green, bipinnately dissected, the segments flat, very narrow, linear, acute. Head 

 of flowers vermina Jon elongated slender leafless striate pubescent peduncles; 

 involucre pilose, the leaflets lance-oblong, with a green keel; scariduson the 

 margin; rays white, neuter, spreading, often drooping or reflexed ; disk yellow, 

 prominently convex or subcylindric. Akenes oblong, somewhat obconic, striate- 

 jibbed, mostly tuberculate,. with a minute opi^ynouH disk, but entirely bald,. or. 

 destitute of any crown-like margin at summit. Receptacle oblong-conic, promU 

 nent, chaffy except at base, tho chaff bristle-form, or subulate, shorter than th« 

 florets. 

 hao. Farm-yards, lanes, &c. frequent. Fl. June— Sept. Fr. August—Octo. 



Obs. A disagreeable little foreign weed, now extensively naturalized. It is 

 readily distinguished from the preceding by its foetid odor ;— as well as by its bo- 

 tanical characters,— on which it has been generically separated from Anlhemis, 

 by Cassini, Les$i?ig, &c. There are no native species in the U ^States. 



390. ACHILLEA. L. Nutt. Gem 680. 

 [Xamed after Achilles, a disciple of Chiron ; who first used the plant.] 



Involucre cylindric-ovoid, the leaflets imbricated, unequal. Hays few, 

 short and roundish-obovatc, pistillate ; tube of the disk-florets com- 

 pressed, margined. Akenes subcompressed, smooth, bald, the areola 

 terminal. Receptacle small, flat, with chaffy bracts. 



1. A. millefolium, L. Stem sulcate-striate, pilose; leaves bipin- 

 natifid, the segments linear, incised-serrate, acute ; corymb compound. 

 Beck, Bot.p. 212. 



Thousand-leaf Achillea. Vulgo — Yarrow. Milfoil. 

 Gallici—L* Millefeuille. Germ. — Die Schafgarbe. Hisp. — Milenrama. 

 Ryot perennial. Stem 2 to 3 feet high, angular and sulcate-striate, hairy and 

 somewhat lanugin^us, leafy, mostly simple, corymbose at summit. Leaves 2 or 3 

 u> 6 inches long (the radical ones often still longer) and 3 fourths of an inch xo Z: 



