174 



BUDS AND STIPULES 



ones are more dilated than the others, as they have to 

 cover the young flower-head. In T. repens, on the con- 

 trary, the peduncle elongates (fig. 295), while the flower- 

 head is still very undeveloped, indeed, scarcely broader 

 than long, and without any projecting corollas. The 

 young flower-head pushes out from the plant and lies 



FIG. 295. TRIFOLIUM KEPENS. 



End of creeping shoot, s, stem : st, stipule ; p, leaf-stalk ; /, very young 

 flower-head. Nat. size. 



flat on the ground, selecting a suitable situation for 

 its development. Fig. 295 shows a bud in an early 

 state, the corollas quite uncoloured and enclosed by the 

 calyces, but already with a long peduncle carrying it 

 far beyond the stipule, st. T. medium also has stipules 

 much narrower than those of T. pratense. 



In the Peas and Vetches the stipules vary greatly 



