COMPOSITE. 
163 
scales linear obtuse.— E. B. 1 232. —St. erect, 1 foot high, branched. 
Heads on long naked stalks, disk yellow, ray white.— Cultivated 
and waste ground. A. VI. VII. Wild Chamomile. 
18. (23.) Artemisia Linn. 
* Receptacle hairy. 
1. A. Absinthium (L.) ; heads drooping hemispherical hetero- 
gamous, 1. silky in many deep lanceolate obtuse segments, outer 
involucral scales linear silky, inner roundish scarious.— E. B. 
1230.— St. bushy, 1—2 feet high. Heads in erect aggregate 
leafy panicles. Floral 1. simple. Florets dull yellow, the outer 
row" female. — Waste ground. P. VII. VIII. Wormwood. 
** Receptacle naked. 
2. A. campestris (L.) ; heads drooping ovate glabrous hetero- 
gamous, I. silky with many linear-lanceolate mucronate segments, 
stem 1. once or twice pinnate with linear segments, st. wandlike 
procumbent before flowering, involucral scales ovate glabrous with 
a scarious margin. — E. B. 338. — Barren st. casspitose. Flower- 
ing st. slender, 1 — 2 feet long, ascending when the flowers appear, 
leafy, smooth. Florets yellow, involucre purplish. — Sandy heaths 
in Norf. and Suff., rare. P. VIII. IX. E. 
3. A. vulgaris (L.) ; heads ovate heterogamous, I. woolly and 
•white beneath pinnatifid with lanceolate acuminate cut and serrated 
segments, involucral scales woolly. — E. B. 978. — St. 2 — 3 feet 
high, erect, leafy. Clusters leafy, nearly simple, erect. Fl. few, 
reddish or brownish yellow. — Waste ground. P. VII. — IX. 
Mugwort. 
4. A. maritima (L.) ; heads oblong, florets few all perfect, I. 
downy pinnatifid with linear obtuse segments, involucral scales ob- 
long outer woolly inner scarious. — E. B. 1706. — St. recumbent 
or ascending, woolly, much branched. Florets reddish-yellow. 
Racemes unilateral, heads drooping. — /3. gallica ; racemes more 
dense, heads erect. E. B. 1001.— Salt marshes. P. VIII. IX. 
[5. A. ccemlescens (L.) ; heads oblong, florets few all perfect, 
1. hoary lanceolate undivided, those of the barren shoots pinnatifid. 
— E. B. 2426. — Boston and Isle of Wight. Not found for many 
years. P. VIII. IX.] E. 
19. (24.) Tanacetum Linn. 
1. T. vulgare (L.) ; 1. pinnatifid, leaflets serrated. — E. B. 1229. 
St. 20. — Heads in a terminal corymb. Florets golden yellow. 
Fr. with an entire crown. St. 2 — 3 feet high.— Way-sides. P. 
VIII. Tansy. 
