COMPOSITE FAMILY 



253 



48. S6nchus. — Bracts imbricate in several rows ; receptacle flat, 

 naked, pitted ; fruit much flattened, not beaked ; pappus of many 

 rows of white, simple, silky hairs. 



49. Tragopogon. — Bracts 8 — 10, long, narrow, united below ; 

 receptacle naked ; fruit with longitudinal ridges, and a. long slender 

 beak : pappus of many rows of feathery hairs. 



1. Eupatorium (Hemp Agrimony). — Herbs or undershrubs ; 

 leaves opposite ; heads in corymbose cymes, purplish, few-flowered ; 

 involucral bracts imbricate, oblong \ receptacle flat, naked ; florets 

 all tubular and perfect ; 

 styles much longer than 

 the florets ; pappus hairy. 

 (Name from Mithriddtes 

 Eupator, who is said to 

 have brought the plant 

 into use.) 



1. E. cannabinum 

 (Common Hemp Agri- 

 mony). — The only Brit- 

 ish species, a tall downy 

 plant, 3 — 6 feet high, 

 with a reddish stem ; 

 palmately 3 — 5-lobed 

 leaves with lanceolate 

 serrate leaflets j and ter- 

 minal corymbs of small 

 crowned heads of dull 

 lilac flowers, remarkable 

 for their very long, 

 deeply-cloven styles. — 

 Moist places ; common. 

 Aromatic, and said to be 

 tonic. — Fl. July — Sep- 

 tember. Perennial. 



2. Solidago (Golden-rod). — Herbs or undershrubs ; leaves 

 cauline, scattered, simple ; heads in branched cymes, yellow, with 

 ray-florets ; bracts many, imbricate, adpressed ; receptacle naked ; 

 pappus of one row of stiff hairs. (Name from the Latin solidare, 

 to unite, from its supposed value in healing wounds.) 



1. S. Virgaurea (Golden-rod). — The only British species, an 

 erect, little-branched plant, 2 — 3 feet high, with roughish, angular 

 stems ; simple, lanceolate, entire or serrate leaves ; and con- 

 spicuous long terminal crowded clusters of small yellow heads. — 



EUPATORIUM CANNABfNTJM 



{Common Hemp Agrimony). 



