PAPILI0NACE2E. 



201 



regions. It has however been so long cultivated, that in some loca- 

 lities it may not be truly indigenous. Abundant in Britain. FL the 

 whole summer. 



6. Zigzag Clover. Trifolium medium, Linn. (Fig. 246.) 

 (Eng. Bot. t. 190.) 



Yery much resembles the purple C, 

 and may be a mere variety. It is a 

 handsomer plant, with narrower stipules 

 and leaflets ; the heads of flowers are 

 always more or less pedunculate above 

 the last floral leaves, and the corolla 

 rather larger, of a brighter and richer 

 colour. The zigzag stem is not a very 

 constant differential character, and even 

 the pedunculate flower-heads may be 

 occasionally observed also in the pur- 

 ple a 



In open woods, bushy pastures, on 

 banks and roadsides, in northern and 

 central Europe, and across Russian 

 Asia, becoming a mountain plant in 

 southern Europe. Generally spread over 

 Britain, but more common in southern 

 Scotland and northern England than further north or south ; extends 

 also into Ireland. Fl. summer. 



Fig. 216. 



7. Sea Clover. Trifolium maritimum, Huds. (Eig. 247.) 

 (Eng. Bot. t. 220.) 



An annual, with spreading or decumbent stems, seldom above a 

 foot high, and more slender than the last three, with much smaller 

 flowers. Stipules long and narrow. Leaflets narrow-obovate or ob- 

 long. Elower-heads at first globular, then ovoid, shortly peduncu- 

 late above the last leaves. Calyx-teeth at first subulate, the lower 

 one longer than the others, but all much shorter than in the purple C, 

 and after flowering they are somewhat enlarged, stiff*, and slightly 



VOL. I. K 



