174 45. COMPOSITE. 



2. B. cernua (L.) ; I. sessile connate lanceolate undivided ser- 

 rate, fr. cuneate usually with 34 bristles. E. B. 1114. R. 

 xvi. 941. St. 1 3 feet high, with opposite branches. L. simple, 

 narrowed below but not stalked. Heads terminal, solitary, 

 drooping. Florets brownish-yellow. (3. radiata', with radiant 

 marginal florets. Coreopsis Bidens (L.) St. 1. 16. Watery 

 places. A. VIII. IX. 



Section 2. ANTHEMIDE^E. Heads usually heterogamous; 

 ray female or neuter. Anth. without appendages. Branches of 

 the style truncate, bearded, very rarely terminated by a cone. 

 Pappus often wanting or crownlike, rarely formed of scales or 

 capillary hairs. 



12. (20.) ANTHEMIS Linn. Chamomile. 



* Scales of the receptacle lanceolate or oblong terminating in 

 an acute rigid point. 



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

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

 1004. St. I 2 feet high, striated, downy, much branched. 

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

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

 white, always having styles. Scales just appearing above the 

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

 plicate-rugose ring, inner with an acute margin. Borders of cul- 

 tivated fields, rare. A. VI. VII. Corn Chamomile. 



[2. A. tinctoria (L.) ; receptacle hemispherical, fr. tetragonal 

 crowned with a membranous undivided border, 1. bipinnatifid 

 downy beneath, segments parallel decurrent serrated, ray shorter 

 than the breadth of the disk. E. B. 1472. St. 12 feet high, 

 much branched, cottony. L. green, rough or hairy above, cot- 

 tony and white beneath. Heads on long stalks, solitary, terminal ; 

 disk and rays bright yellow. Scales not protruding. Fields 

 and stony places, rare. B. ? VII. VIII.] E. S. 



[3. A. anglica (Spr.) ; receptacle fiat, fr. crowned with a very 

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

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

 E. B. 2370. St. prostrate, branched, downy. Involucre downy. 

 Disk yellow ; ray white. Scales of the receptacle shorter than 

 the opened flowers, subulate. (See DC. Prod. vi. 10.) Sea-shore. 

 Sunderland. Mr. Robson. Mr. Backhouse. 1844 ! A. VII.] E. 



** Scales of the receptacle linear-setaceous acute. MARUTA Cass. 



4. A. Cotula (L.); receptacle elongate-conical, fr. terete tuber- 

 cular-striated crowned with a crenulated margin surrounding a 



