ARTEMISIA. 211 



19. (18.) ARTEMIS'IA Linn. Wormwood. 

 * Receptacle pilose. 



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

 not all perfect, 1. 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. VIII. Wormwood. E.S.I. 



** Receptacle naked. 



2. A. campes'tris (L.) ; heads drooping ovate glabrous, fl.not 

 all perfect, /. silky with many linear-lanceolate mucronate seg- 

 ments, stem-1. once or twice pinnate with linear segments, st. 

 wandlike procumbent before flowering, phyll. ovate glabrous with 

 a scarious margin. E. B. 338. Barren st. csespitose. Flower- 

 ing st. slender, 1 2 feet long, ascending when the fl. appear, 

 leafy, smooth. Fl. yellow, those of disk sterile; inv. purplish. 

 Sandy heaths in Norf. and Suff., rare. P. VIII. IX. E. 



3. A. vulgdris (L.) ; heads ovate, fl. not all perfect, /. woolly 

 and white beneath pinnatifid with lanceolate acuminate cut and 

 serrate segments, phyll. woolly. E. B. 978. St. 2 3 feet high, 

 erect, leafy. Clusters leafy, nearly simple, erect. Fl. few, red- 

 dish or brownish yellow. a. l.-segm. oblong, racemes open. /3. 

 A. coarctata (Forsell) ; l.-segm. linear-lanceolate, racemes sub- 

 spicate condensed. Waste ground. P. VII. IX. Mugwort, 



E. S. I. 



4. A. marit'ima (L.) ; heads oblong, florets feiv all perfect, I. 

 downy pinnatifid with Linear blunt segments, phyll. oblong outer 

 woolly inner scarious. E. B. 1706. St. procumbent or ascend- 

 ing, woolly, much branched. Fl. reddish yellow. Racemes 

 drooping. /3. A. gallica (Willd.) ; heads erect (inconstant). 

 E. B. 1001. Salt marshes. P. VIII. IX. . E. S. L 



[A. Stelleriana (Besser), with a nearly simple raceme, large erect 

 globose-campanulate beads, pinnatifid 1. with broad blunt lobes and with 

 st., 1., and phyll. densely white-felted, is naturalized on the coast of 

 Cornwall and Co. Dublin. P. VIII.] E. I. 



[A. ccerulescens (L.), E. B. 2426, is not a native. P. VIII. 



nt] 



[Cotula coronopifolia (L.), R. xvi. 998, with small button-like yellow 

 heads without ray-florets, and with succulent lanceolate or acutely lobed 

 clasping L, occurs as an alien in Cheshire and elsewhere. A. VIII.] E. 



