488 SYNGENESIA [S«r*cioiuai, 







the terminal ones often in pairs; involucre many-parted, or the leaflets united at 

 base, subulate-lanceolate, pubescent, reflexed ; rays yellow, strongly veined' 

 cuneate, attenuate at base, 3- 4- or 5-cleA at apex, mostly drooping ; disk subglo- 

 bose, 1 third to 2 thirds of an inch in diameter, greenish-yellow. Akenes obcon\c 

 S-angled or ribbed, appressed-pilose on the ribs, crowned with a pappus of 5 chaffy 

 ovate-lanceolate acuminate or awned scales. Receptacle hemispherical, naked, 

 •xcept a few lance-linear chaffy scales, between the ray-florets, about as long at 

 the florets of the disk. 



Uab. Margins of streams ; Brandy wine, Sec. frequent. Fl. August. Fr. Octo. 



Obs. The plant is bitter and aromatic. The powdered receptacle and involucre 

 are said to possess active crrhinc properties. One or two additional species are 

 •uumerated in the U. Slates. 



Sub-Tribe 6. Chrysantheme/r. Heads hctcrogamous, with pistillate or neu- 

 tral florets in a single series In the circumference, of which some at least are 

 ligulatc. Anthers ecaudate. Akenes not beaked, mostly angular and ribbed ; jaxp- 

 pus 0, or crown-form, entire, or rarely of minute chaffy semilanceolate equal 

 scales. 



§ 1. AnthemidE/'e— the receptacle with chaffy brads. 



389, ANTHEMIS. L. Nutt. Gen. 679. 

 [Greek, Anthemon, a flower; from the great number it produces.] 



Involucre campanulate, the leaflets nearly equal. Rays rather numer- 

 ous, oblong, mostly pistillate. Akenes angular, smoothish, the areola 

 terminal ; pappus obsolete, or crown-form, callous, thick and entire. 

 Receptacle convex, large, with chaffy or setaceous bracts. 



1. A. nobilis, L. Stem prostrate, branching from the base, villose ; 

 leaves decomponnd-pinnatijid, subvillose, segments faicar- subulate ,• 

 chaff of the receptacle scarious, lanceolate, scarcely as long ar the 

 florets. Willd. Sp. 8, p. 2180. 



Noble Anthkmis. Vulgo — Chamomile. Garden Chamomile. 

 Gall.- Camomille romaine. Germ.-Dic JCamille. lYisy.-JWanzanilla. 

 'Root perennial, ligneous. Stem 4 to 8 or 10 inches long, prostrate, or decumbent, 

 branching, +Mose, leafy. Leaves 1 to 2 inches long, pilose, bipinnately dissected. 

 Vie segments filiform, acute. Heads of flowers terminal, on elongated leafless 

 striate pubescent peduncles ; involucre pilose, the leaflets oblong, scarious on the 

 margin ; rays white, elliptic-oblong, finally reflexed ; disk yellow, convex, at length 

 eonical. Akenes with a nearly obsolete crown form pappus. Receptacle conical 

 ehafftj, the chaff lanceolate and lance-oblong, scarious, awnless, shorter than the 

 florets. 



Hab. Gardens : common. Fl. July. Fr. August— September. 



Obs. An aromatic bitter ; generally cultivated, and deservedly popular as a 

 tonic. The heads of flowers produced in this country are rarely so large and fine 

 as those imported. 



t. A. arvensis, L. Stem erect, pilose ; leaves bipinnatifid, hairy 

 and canescent, the segments lance-linear; akenes crowned with a 

 narrow margin ; chaff of the receptacle lanceolate, cuspidate, keeled; 

 wther longer than the florets. Beck, Bot. p. 213. 



