COMPOSITE FAMILY 



267 



4. M. Parthenium (Common Feverfew). — Pubescent, erect, 

 branched above, 1 — 2 feet high ; leaves stalked, pinnate ; leaflets 

 pinnatifid and deeply cut ; heads many, corymbose, \ — f in. 

 across ; receptacle convex ; ray-florets white, short and broad. — 

 Waste-ground ; not very common. Well marked by its repeatedly 

 cut, curled, delicate green leaves which are conspicuous in mid- 

 winter, and its numerous small flower-heads. The whole plant 

 has a powerful and not unpleasant odour, which is said to be 



tanac£tum vulgAr£ {Common Tansy). 



The English name is a corruption 

 properties. — Fl. July — September. 



particularly offensive to bees, 

 of Febrifuge, from its tonic 

 Perennial. 



5.* M. suaveolens, a North American species, with a short, 

 densely leafy stem; short peduncles ; broad membranous involu- 

 cral bracts, and no ray-florets, is naturalised in various places. 



*2o. Cotula, represented by C. cor onopi folia, is a genus of 

 branched annuals, with pinnatifid leaves, and small solitary heads 

 of yellow tubular florets, with 4-lobed corollas. This species is 



