mOTlS. PYIUCTIIRUM. 
17:5 
5. A. tanacefifolia (All.); stem 1. with an oblong outline bi- 
piniiatiHd woolly or nciirly gliibrous : racliis winged serrate, pinna 
pinnules and teeth of the rachis inciso-serrate, corymb dense, 
riiys about half as long as tbe involucre. — St. 3 — 4 feet high, 
erect, woolly. Radical 1. stalked, with a lanceolate outline ; ra- 
chis w ith large inciso-serrate teeth especially just undcrthe pinnae. 
Pinna: and pinnules broad. Kacbis of the st.-l. and the upper 
jiart of the radical 1. broadly winged. FI. yellowish. St.-l. some- 
times jiinnatifid only. — “ A rough hilly bank near Ringing Low 
near Sheffield ; and Cromford Moor, Derbyshire.” Mr. John 
Hardy. P. VII. E. 
14. (22.) Diotis Desf. 
1. T). maritima (Cass.). — E. B. 141. — Whole jdant densely 
cottony and white. St. about a foot high, recumbent below, 
densely leafy, corymbose above. L. sessile, oblong, obtuse, flat, 
crenatc, persistent. Heads in terminal corymbose tufts. Invo- 
lucre cottony. Florets yellow. — Sandy sea-shores, rare. P. Vlll. 
IX. ' ' E. 
15. ( 17 .) Chrysanthemum Linn. 
1. C. Leucanthemum (L.); lower 1. obovate stalked, stem 1. 
oblong obtuse cut sessile pinnatifid at the base, involucral scales 
lanceolate obtuse with a narrow membranous margin, florets of the 
ray white, fr. without a border. — E.B. 601. St. 2. 11. — St. erect, 
1 — 2 feet high, simj)le, striated. Lower 1. naiTOVving into a 
winged and auricled stalk. Heads solitary, terminal, large, ilisk 
yellow. — Fields. P. VI. — VIII. Ox-eye. 
2. C. segetum (L.); 1. glabrous toothed dilated outwards and 
lobed, upper 1. clasping, involucral scales ovate obtuse ivith a 
broad membranous margin, florets of the ray yellow. — E. B. 540. 
— St. a foot high, alternately branched, angular. L. inciso-serrate 
or lobed in the upper part, simply toothed below. Heads soli- 
tary, terminal.- — Cora-tields. A. VI. — VIII. Corn Marigold. 
16. (18.) Pyrethrum Sm. 
1. P. Parthenium (Sm.) 1. stalked pinnate, segments ovate or 
oblong pinnatifid ; lobes cut, st. branched, heads corymbose, invo- 
lucral scales linear obtuse, fr. crowned with a short jagged mem- 
brane. — E. B. 1231. — St. erect, 2 feet high, branched, furrowed, 
panicled. Heads in small corymbs terminating the stem and 
branches, disk yellow, ray white. — Waste places, not very com- 
mon. P. VH. VII I. Feverfew. 
2. P. viodorum (Sm.) ; 1. sessile pinnatifid in numerons capil- 
lary pointed segments, st. branched, heads solitary, involucral 
scales lanceolate obtuse, fr. rugose and with 2 round glandular 
