456 COMPOSITAE. [Vol. III. 



2. Anthemis arvensis L. Corn or Field Camomile. (Fig. 3985.) 



Anthemis arvensis L. Sp. Pi. 894. 1753. 



Annual or sometimes biennial, not fetid; stem 

 finely pubescent, usually much branched, about 

 i high, the branches decumbent or ascending. 

 Leaves sessile, \'--xf long, 1-2-pinnately parted 

 into linear or lanceolate acute lobes, less divided 

 than those of the preceding species and with 

 broader segments; heads commonly numerous, 

 i'-\y 2 ' broad; bracts of the involucre oblong, 

 obtuse, usually somewhat pubescent, with broad 

 scarious margins; rays 10-18, white, pistillate, 

 spreading, mostly 2-toothed; chaff of the obtuse 

 receptacle lanceolate, acute or acuminate; 

 achenes oblong, obtusely 4-angled; pappus a 

 mere border. 



In fields and waste places, Nova Scotia to Vir- 

 ginia, west to Michigan, Missouri, and on the Pa- 

 cific coast. Naturalized from Europe. May-Aug. 



3. Anthemis nobilis L. Garden, 



Scotch, White or Low Camomile. 



(Fig. 3986.) 



Anthemis nobilis L. Sp. PI. 894. 1753. 



Perennial, pubescent, aromatic, much branch- 

 ed, 6 / -i8 / high, the branches procumbent. 

 Leaves numerous, \'-i' long, finely and com- 

 pactly dissected into nearly filiform lobes and 

 segments; heads about 1/ broad; bracts of the 

 involucre obtuse, pubescent, their scarious 

 margins broad; rays 12-18, white, spreading, 

 pistillate, 2-3-toothed; chaff of the conic recep- 

 tacle broad, membranous, obtuse; achenes ob- 

 long, obtusely 3-angled; pappus none. 



Sparingly escaped from gardens, Rhode Island to 

 Delaware and Michigan. Adventive from Europe. 

 June-Aug. 



4. Anthemis tinctoria L,. Yellow or 



Ox-eye Camomile. (Fig. 3987.) 

 Anthemis tinctoria L- Sp. PI. 896. 1753. 



Perennial, pubescent or tomeutose; stem erect, 

 branched, 1 -3 high, with nearly erect branches. 

 Leaves sessile, I'-if long, pinnately divided, 

 the oblong segments pinnatifid into narrow acute 

 lobes; heads few or several, i'-i >< r broad; bracts 

 of the involucre oblong, obtuse, densely tomen- 

 tose; rays 20-30, pistillate, usually 2-toothed, 

 bright yellow or sometimes paler; chaff of the 

 nearly hemispheric receptacle lanceolate, acum- 

 inate, rather rigid; achenes 4-angled, somewhat 

 compressed; pappus a crown- like border. 



In fields and waste places, Maine to New Jersey, 

 and locally escaped from gardens. Adventive from 

 Europe. Native also of Asia. June-Sept. 



