194 45. COMPOSITE. 



2. A. Millefdlium (L.) j ^- with alanceolate outlinehrprm&tx^dL 

 woolly or nearly glabrous, lobes cut with linear segments, rachis 

 entire or subdentate with entire teeth, corymb dense, rays equal- 

 ling about half the involucre.—^. B. 758. S. xvi. 1024.— St. 

 erect, 6—18 in. high, nearly glabrous or woolly. PhyU. nearly 

 glabrous with a brown margin. Heads small. Fl. white, occa- 

 sionally reddish or purple. — Pastures and waste ground. P. 

 VI.— VIII. Yarrotu. Millefoil. E. S. I. 



[_A. tanacetifdlia (AH.) ; stem-l. with an oblong outline bipin- 

 natifid woolly or nearly glabrous, rachis winged serrate, pinnee 

 pinnules and teeth of the rachis incise-serrate, corymb dense, 

 rays equalling about half the involucre. — Sy. JE. B. 728. iJ. 

 xvi. 1027. — St. 3 — 4 feet high, erect, woolly. Root-1. stalked, 

 with a lanceolate outline ; rachis with large incise-serrate teeth 

 especially just under the pinnse ; pinnae and pinnules broad. — 

 An escape. P. VII.] E. 



15. (21.) An'thbmis Linn. Chamomile. 



* Scales of the receptacle lanceolate or oblong abruptly ending in 

 an acute rigid point. 



[A. tinctdria (L.) ; receptacle hemisphencal, fr.. tetragonal 

 crowned with a membranous undivided border, 1. bipinnatifid 

 downy beneath, segments parallel decurrent serrate. — E. B. 

 1472. — St. 1 — 2 feet high, much branched, cottony. Heads on 

 long stalks, solitary, terminal ; disk and rays bright yellow. 

 Scales not protruding. — Fields. Not a native. B. ? VH. VIH.] 



1. A. arven'sis (L.) ; receptacle conical, fr. tetragonal, 1. bipin- 

 natifid hairy, segments linear-lanceolate. — E. B. 602. B. xvi. 

 1004. — St. 1 — 2 feet high, striate, downy, much branched. 

 Segments of the 1. parallel and at length converging. Heads on 

 long stalks, solitary, terminal ; disk convex, bright yellow ; ray 

 white, alioays having styles. Scales j ust appearmg above the fl. 

 of the disk, lanceolate. Outer fr. crowned with a tumid plicate- 

 rugose ring, inner with an acute margin. — Borders of cultivated 

 fields, rare. A. VI. VII. Corn-Cliamomile. E. S. I, 



\_A. ang'lica (Spr.) ; " receptacle flat,^' fr. crowned with a very 

 narrow entire border, 1. pinnatifid somewhat hairy, lobes incise- 

 serrate acute bristle-pointed rather fleshy. — A. maritima Sm. 

 B. B. 2370. — Probably a maritime form of A. arvensis. — Sea- 

 shore. Sunderland. iNot recently found. A. VII.] E. 



** Scales of the receptacle linear setaceous acute. Mabuta Cass. 



2. A. Cot'ula (L.) ; receptacle long conical, fr. terete tuher- 

 cular-striate crowned with a crenulate margin surrounding a 



