MATEICARIA. AEIEMISIA. 191 



tima (L.) ; l.-gegm. long, base of inv. subumbilicate, recept. as 

 broad as long. Fr. larger. Margin of phyll. broadly and darkly 

 coloured. — ^Fields and waste places. /3. Sea-shore, y. Sea-shore 

 in the north of Scotland. A. VII. Vni. E. S. I. 



3. M. Cliamomil'la (L.) ; 1. bipinnate smooth, segments capil- 

 lary simple or divided, heads solitary or subcorymbose, receptacle 

 hollow conical, phyll. linear blunt. — E. B. 1232. — St. erect, 1 foot 

 high, branched. Heads on long naked stalks or forming an 

 irregular corymb; disk yellow: ray white. — Cultivated and 

 waste ground. A. VI. VII. Wild Chamomile. E. I. 



17. (16.) Chetsan'themitm Linn. 



1. C. Lettcarithemnm (L.) ; lower 1. obovate stalked, stem-1. 

 oblong blunt cut sessile pinnatifid at the base, phyll. lanceolate 

 blunt with a narrow dark purple membranous margin, fl. of ray 

 white, fr. without a border.— -B. B. 601. St. 2. 11.— St. erect, 

 1 — 2 feet high, simple, striate. Lower 1. najrowing into a 

 winged and auricled stalk. Heads solitary, terminal, large; 

 disk yellow.— Fields. P. VI.— VHI. Ox-eye. E. S. I. 



t2. C. seg'etum (L.) ; 1. glabrous toothed dilated outwards 

 and lobed, upper 1. clasping, phyll. ovate blunt with a broad mem- 

 branous margin, fl. of ray yellow — E. B. 540. — St. a foot high, 

 alternately branched, angular. L. incise-serrate or lobed in the 

 upper part, simply toothed below. Heads solitary, terminal. — 

 Oorn-flelds. A. VI.— VHI. Corn-Marigold. E.S.I. 



18. (23.) Dio'iis Desf. Cotton-weed. 



1. D. marit'ima (Cass.). — E. B. 141. — Densely cottony and 

 white. St. about a foot long, decumbent below, densely leafy, 

 corymbose above. L. sessile, oblong, blunt, flat, crenate, per- 

 sistent. Heads in terminal corymbose tufts. Inv. cottony. Fl. 

 yeUow. — Sandy sea-shores, rare. P. VIH. IX. E. I. 



19. (18.) Aeiemis'ia Linn. Wormwood. 



* Receptacle pilose. 



1. A. Absin'thium (L.) ; heads drooping hemispherical, fl. 

 not all perfect, L silky in many deep lanceolate blunt segments, 

 outer phyll. linear silky, inner roundish scarious. — E. B. 1230. 

 — St. bushy, 1 — 2 feet high. Heads in erect leafy panicles. 

 Floral 1. simple. Fl. dull yellow, the outer row female. — Waste 

 ground. P. VII. VHI. Wormwood. E. S. I. 



