1 64 



FLOWER-LAND. 



ANATOMY. 



CHAPTER XXVIII. 



CELLS, VESSELS, AND TISSUES. 



Fig. 142. Head of Teasel (Dipsacus 

 sylvestris}) with involucral bracts. 



WE are now going 

 to search just a very 

 little into a branch 

 of Botany which is 

 more difficult than 

 what you have been 

 learning hitherto. So 

 far we have been 

 talking chiefly about 

 the parts of Flower- 

 ing Plants as they 

 appear to us in their 

 outward forms the 

 Morphologyof plants. 

 But now break or 

 cut a buttercup stem 

 across, or the stem 

 of a stinging nettle, 

 if you can do so 

 without being stung, 



