HEMP AGEIMOXY TANSY. 169 



The second division has flat heads. 



The Bur Marigold is the first family in this division. We 

 have two British species. 



The Nodding Bur Marigold (Bidens cernua), I found on 

 damp ground at Hill Deverill, in Wiltshire. The involucre is 

 in large segments, which extend far beyond the dark yellow 

 head. The leaves are lance-shaped and serrated, and the 

 flowers drooping. The plant grows two feet high. 



The Three-leaved Bur Marigold (B. tripartita), much re- 

 sembles this ; its principal difference is expressed in its name. 

 It grows near Beading. 



Most watery places furnish the Hemp Agrimony (Eupatorium 

 cannabinum). Edward describes it as flourishing luxuriantly 

 in Kent, and I have found it in abundance on the banks of 

 the TJre, near Hipon, and on the margin of streams about 

 Richmond and Bedale. Its leaves are in many segments, like 

 the fingers of a hand. It grows four feet high. But though 

 its corymbs are large enough, and each little head neat enough, 

 it is quite spoiled by its dirty lilac colour. If the tint of the 

 flowers were as pretty as that of the leaves, it would be a very 

 handsome plant. 



I have a specimen of the Goldilocks (Chrysocoma linosyris), 

 the next family to that of the Hemp Agrimony, but it is not 

 a wild one. It was given to me by Mr. Ward, and grew in 

 his garden. The form of the plant is wand-like. The main 

 stem and numerous flower-stalks are beset with narrow 

 glaucous leaves. The heads are yellow. 



The Cotton Weed (Diotis maritima), is an inhabitant of sea- 

 shores. The leaves are oblong and notched, and the yellow 

 flowers are placed in corymbs. The whole plant is covered 

 with cotton. 



The Tansy (Tanacetum vulgare), is very familiar to me, as 

 growing along with the Hemp Agrimony by the Ure. Its 

 heads are flat, yellow, and in large corymbs, and its leaves are 

 cut into tiny leaflets. The whole plant has a strong aromatic 



