300 SYNGENESIA — SUPERFLUA. [Artemisia. 



23. EuPAToRiuM. Linti. Hemp-agrimony. 



1. E. cannahinum, L. (common Hemp-agrimony); leaves op- 

 posite subpetiolate 3 — 5-partite, their segments lanceolate 

 deeply serrated. E. Bot. t. 428. 



Banks of rivers and watery places. Fl. July, Aug. 1^ . — Stems 3 — 4 

 feet high, branched. Leaves downy, the middle lobe the longest. Flow- 

 ers very numerous, pale reddish-purjile, thickly crowded in terminal 

 cori/mbs. Style longer than the cor., deeply cleft. Plant slightly aro- 

 matic. 



24. LiNOSYRis. Cass. Goldylocks. 



1. L. vulgaris, L. (Jlax-leaved Goldylocks) ; herbaceous, 

 leaves linear glabrous, scales of the involucre loosely spreading. 

 E. Bot. t. 2303. 



Rocky clefts of Berryhead, Devon. Whorle-hill, Weston-supra-mare, 

 Somerset. Ormeshead, abundant, Mr W. Wilson. Between Brighton 

 and Shoreham. Fl. Aug. Sept. . 



25. DioTis. Desf. Cotton-weed. 



1. D. mariti?7ia, Cass, (sea-side Cotton-weed). Hook, in Fl. 

 Lond. N. S. t. 137. — Santolina, L. — E. Bot. t. 141. 



Sandy sea-shores, principally on the east and south of England. Fl. 

 Aug. Sept. If. — Roots running deep into the sand. Leaves numerous, 

 oblong, covered with a dense white tomentum, as are the scales of the 

 involucre, which in a great measure conceal the small yellow corollas. 



SYNGENESIA— SUPERFLUA. 



26. Tanacetum. Linn. Tansy. 



1. T. vulgdre, L. (common Tansy); leaves bipinnatifid inci- 

 so-serrate, E. Bot. t. 1229. 



Borders of fields and road-sides, Fl. Aug. %. — 1 — 3 feet high. 

 Flowers in a terminal corymb. — Whole plant bitter and aromatic, much 

 used in medicine, and also in domestic economy. 



27. Artemisia. Linn. Wormwood, Southernwood, Mugwort. 



1. K.campestris, \j. (field Souther7iwood); leaves bipinnatifid 

 glabrous above with linear segments, stems twiggy procum- 

 bent before flowering. E. Bot. t. 338. 



Rare. Dry sandy heaths; Norfolk and Suffolk, principally in the 

 vicinity of Thetford and Bury. Fl. Aug. If.. 



2. A. maritima, L. (sea Wormwood) ; erect, leaves downy 

 bipinnatifid with linear segments, flowers racemed oblong, re- 

 ceptacle naked. — a. racemes drooping. E. Bot. t. 1706. — /S. 

 racemes erect. A. Gallica, Willd. — E. Bot. t. 1001, (A. marit.) 



Sea-shores and in salt-marshes, where the two varieties may be seen 

 growing together, and sometimes from the same root. Fl. Sept. If. 



3. A. Absinthium, L. (common Wormwood); leaves bipinnati- 

 fid clothed with short silky down, segments lanceolate, flowers 

 hemisphierical drooping, receptacle hairy. E. Bot. t. 1230, 



