226 ;- MORPHOLOGY. 



shorter. The filament is long in proportion to the anther, the 



latter consisting of two 

 lobes or sacs, instead of 

 four as in trillium. The 

 pistil is composed of two 

 carpels, or leaves fused 

 together. So we find in 

 the case of the pepper 

 root that the parts of the 

 flower are in twos, or 

 multiples of two. Thus 

 they agree in this respect 

 with the leaves ; and 

 while we do not see 

 such a strong resem- 

 blance between the 

 parts of the flower 

 here and the leaves, 

 yet from the pres- 

 ence of the pollen 



Fig. 296. 



Flower of the toothwort (Dentaria 

 diphylla). 



Fig. 295. 

 Toothwort (Dentaria diphylla). 



