210 45. COMPOSITE. 



/3. salina; l.-segm. short fleshy linear bluntish convex above, 

 principal ribs keeled beneath, inv. and recept. as in typical 

 plant. E. B. 979. L. with short crowded mostly opposite 

 segments. y. ph&ocephala (Rupr.) ; l.-segm. long, base of inv. 

 submnbilicate, recept. as broad as long, fr. larger, margin of 

 phyll. broadly and darkly coloured. Fields and waste places. 

 p. Sea-shore, y. Near sea-shore in the north of Scotland. 

 A. VII. VIII. E. S. I. 



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

 lary simple or divided, heads solitary or subcorymbose, receptacle 

 hollow conical, phyll. linear blunt. E. B. 123*2. 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. 



[Jf. discoidea (DC.) of low stature with densely leafy st., short-stalked 

 rayless heads with broadly-membranous phyll., a native of N. America, 

 is established in . many parts of Ireland, Cornwall and elsewhere. VI. 

 VII.] E. S. I. 



17. (16.) CHRYSANTHEMUM Linn. 



1. C. Leucan'themum (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. 601. St. 2. 11. St. erect, 

 1 2 feet high, simple, striate. Lower 1. narrowing into a 

 winged and auricled stalk. Pleads solitarv, terminal, large ; 

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



f2. C. segetum (L.) : 1. glabrous toothed dilated outwards 

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

 membranous 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, ter- 

 minal. Corn-fields. A. VI. VIII. Corn-Marigold. E. S. I. 



18. (23.) DIO'TIS Desf. Cotton-weed. 



1. D. candidis' sima (Desf.). E. B. 141. D. maritima (Cass.) 

 ed. viii. Densely cottony and white. St. about a foot long, 

 decumbent below, densely leafy, corymbose above. L. sessile, 

 oblong, blunt, flat, crenate, "persistent. Heads in terminal 

 corymbose tufts. Inv. cottony. Fl. yellow. Sandy sea-shores, 

 rare. [Extinct in England ?J P. VIII. IX. E. I. 



