COMPOSITE. 



413 



cultivation, may be mentioned the Marigold {Calendula), the Sunflower 

 and Jerusalem Artichoke {Helianthus) the French and African Mari- 

 golds (Peruvian species of Tagetes), several Everlastings (Helichrysum, 

 and other Cape and Australian genera), several species of Coreopsis, 

 Rudbeckia, Zinnia, Dahlia, Ageratum, etc., all belonging to Corym- 

 bifers ; the Artichoke and Cardoon (Cynara), and the Globe-Thistle 

 (Fchinops), belonging to Thistleheads ; and Scorzonera and Catananche 

 among Ligulates. 



I. EUPATORY. EUPATOEIUM. 



Herbs (or, in exotic species, shrubs), with leaves mostly opposite, 

 and purplish or white flowers in terminal corymbs. Receptacle with- 

 out scales. Florets all tubular and equal. Styles much exserted, 

 with long, thickened or club-shaped branches. Achenes angular or 

 striated, with a pappus of simple hairs. 



A vast genus, chiefly American, with a few Asiatic species, one of 

 which is also our European one, the only British Composite with oppo- 

 site leaves, and florets not yellow. 



1. Common Eupatory. Eupatorium cannabinum, Linn. 



(Fig. 490.) 



(Eng. Bot. t. 428. Hemp Agrimony.) 



Rootstock perennial, the stems erect, 

 3 or 4 feet high. Leaves 3 to 5 inches 

 long, slightly downy, divided into 3 

 broadly lanceolate, coarsely toothed 

 lobes, sometimes again slightly lobed, 

 a few upper leaves occasionally simple 

 and alternate. Flower-heads nume- 

 rous, in compact terminal corymbs, 

 of a pale reddish-purple. Involucres 

 cylindrical, of very few unequal bracts, 

 and usually containing 5 florets. 



On banks and bushy places near water, 

 throughout Europe and central and Rus- 

 sian Asia, except the extreme north. Ex- 

 tends all over Britain. Fl. summer. 



Fig. 490. 



