CL. XIX.] SYNGENESIA POLYGAMIA SUPERFLUA. 321 



drooping, small, yellow, in slender, terminal, leafy clusters. Perennial: 

 flowers in August : grows on sandy heaths, in Norfolk and Suffolk. Eng. 

 Bot. vol. v. pi. 338. Eng. Fl. vol. iii. p. 406. 1171. 



2. A. maritima. Dronping-flowered Sea-wormwood. Leaves pinnatifid, 

 the uppermost undivided, downy; clusters drooping; flowers drooping, 



oblong, downy ; receptacle naked. Stems woody, furrowed, hoary : 



flowers yellow, in leafy clusters. Perennial : flowers in August : grows 

 on the sea-shore. Eng. Fl. vol. iii. p. 407. A variety, with the clusters of 

 flowers erect, is the A. Gallica, Upright Flou-ered Sea-wormwood. Eng. 

 Bot. vol. xiv. pi. 1001. Eng. FL vol. iii. p. 408. 1172. 



3. A. Absinthium. Common Wormwood. Leaves divided into many 

 deep, flat segments, downy ; flowers drooping, hemispherical ; recep- 

 tacle hairy. Stems about a foot high, bushy, furrowed : leaves twice 



pinnatifid : flowers pale-yellow, in leafy clusters. The whole plant is 

 intensely bitter, aromatic, and somewhat nauseous. Infusion of the leaves 

 is considered a good stomachic, and the essential oil is used for destroying 

 worms. Perennial : flowers in August : grows in waste ground, near 

 houses: frequent. Eng. Bot. vol. xviii. pi. 1230. Eng. Fl. vol. iii. 

 p. 408. 1173. 



4. A. vulgdris. Mugwort. Leaves pinnatifid, flat, cut, downy be- 

 neath ; clusters simple ; flowers egg-shaped ; receptacle naked.' Stems 



from two to four feet high, erect, branched, panicled, smooth : leaves dark- 

 green above, white and downy beneath : clusters erect, leafy : flowers 

 purplish. Slightly bitter and aromatic. Perennial : flowers in July and 

 August: grows about hedges and walls : common. Eng. Bot. vol. xiv. 

 pi. 978. Eng. Fl. vol. iii. p. 409. 1174. 



25. GNAPHA'LIUM. CUDWEED. 



Common calyx roundish, imbricated, with membranous coloured 

 scales. Compound corolla with the florets of the disk perfect, tu- 

 bular, five-cleft at the margin ; some florets destitute of stamens, 

 and often of corolla, either marginal or interspersed in the circum- 

 ference of the disk ; their corolla, when present, slender. Fila- 

 ments five, hair-like, short; anthers united into a cylindrical tube. 

 Germen inversely egg-shaped, angular. Style thread-shaped, as 

 long as the floret; stigmas two, spreading, notched. Seed in- 

 versely egg-shaped, small. Down simple or feathery. Recep- 

 tacle naked. IName from gnap/ialon, soft down. 390. 



* Calyx yellow. 



1. G. luteo-d Ibum. Jersey Cudweed. Leaves half embracing the stem, 

 between linear and oblong, waved, woolly on both sides ; flowers in tufts. 



Entirely covered with white cottony down : stems from three to 



twelve inches high : leaves alternate, the lower obtuse, the upper acute : 

 flowers in crowded heads. Annual: flowers in July and August: grows 

 in Jersey and the south of England : rare. Eng. Bot. vol. xiv. pi. 1002. 

 Eng. Fl. vol. iii. p. 411. 1175. 



** Calyx white, or reddish. 



2. G. margaritdceum. American Cudweed. Leaves between linear 

 and lance-shaped, acutely pointed, alternate, loosely cottony above, 

 densely beneath ; stem branched at the upper part ; flowers corymbose. 



2 E 



