Ol'd. 2.] SYNGENESIA POLYGAMIA SUPERFLUA. 169 



pound, flat ; leaflets ovate, cut ; the uppermost confluent. Flower- 

 stalks corymbose. Stem erect. 

 Waste gr. $ . 6, 7. 3f. Bitter, aromatic. Fl. white ; rays short. 



2. P. inodorum, 10. 676. (Corn F.) Leaves sessile, pinnate ; in nu- 



merous, capillary, pointed segments. Stem branched, spreading. 

 Crown of the seeds entire. 

 Gravelly fields. 0. 8, 9. 1^ FL solit. white ; disk yellow. 



3. P. maritimum, 14. 979. (Sea F.) Leaves sessile, doubly pinnate, 



fleshy, pointless ; convex above, keeled beneath. Crown of the 

 seeds lobed. 

 Sea coast. 11 . 7. Stems spreading. Dish reddish ; rays white. 



407. MATRICARIA. Wild-Chamomile. 



1. M. Chamomilla, 18. 1232. (Common W.) Leaves smooth, pinnafe; 

 leaflets linear, simple or divided. Rays spreading. Calyx-scales 

 dilated, bluntish. 

 Fields & dunghills. 0. 5 — 7. Erect, branched. Fl. white; disk yell. 



408. ANTHEMIS. Chamomile. 



1. A. maritima, 33. 2370. (Sea Ch.) Leaves doubly pinnatifid, 



acute, fleshy, dotted, somewhat hairy. Stem prostrate. Scales 

 of the receptacle prominent, sharp-pointed. 

 Rocky sea-coast, rare. 0. 7. Disk yell., nearly flat ; rays cream-col. 



2. A. nobilis, 14. 980. (Common Ch.) Leaves doubly pinnate, semi- 



cylindrical, acute, a little downy. Stem procumbent. Scales of 

 the receptacle membranous, obtuse, shorter than the florets. 

 Gravelly past. If. . 8, 9. Bitter and aromatic. Rays white, spreading 

 or reflexed. 



3. A. arvensis, 9. 602. (Corn Ch.) Receptacle conical ; scales lanceo- 



late, acute, keeled, prominent. Seeds crowned with a quadran- 

 gular border. Leaves doubly pinnatifid, hairy ; segments parallel. 

 Grav. fields. . $ . 6, 7. Scarcely odor., erect, a little hoary, 1 — \^f. 



4. A. Cotula, 25. 1772. (Stinking Ch.) Receptacle conical; scales 



bristle-shaped. Seeds without any border. Leaves doubly pin- 

 natifid, slightly hairy ; segments spreading. 

 Fields. . 6, 7. Fetid and acrid, bright green, bushy. Fl. solitary. 



5. A. tinctoria, 21. 1472. (Ox-eye Ch.) Leaves doubly pinnatifid, 



serrated ; downy beneath. Stem corymbose, erect. Seeds 

 crowned with a membranous undivided border. 

 Stony mount, pi. rare. $ ? 7, 8. Bushy, 18 in. downy or cottony. 

 Fl. large and elegant. 



409. ACHILLEA. Yarrow. 



1. A. Ptdrmica, 11.757. (Sneeze-wort Y. Goose-tongue.) Leaves 



linear, pointed, equally and sharply serrated, smooth. 

 Moist groves. If. 7, 8. 2f. Fl. not numerous, but large and white. 



2. A. serrata, 36. 2531. (Serrated Y.) Leaves linear-lanceolate, 



sessile, downy, deeply serrated; laciniated at the base. Flowers 

 almost simply corymbose. 



i 



