THE VEGETATIVE OlKiANS COMPARE]:) 331 



Thus it is enabled to iive from year to j'ear, or, in a word, is a 

 perennial. Whenever wc find an herb retaining the remains 

 of more or less withered leaves and stems, or of shrunken roots 



<fM1?!> 



Fig. 284. — Christmas Rose. A, flower, entire. B, same, cut vertieally. 

 C, floral diagram. D, staminode. E, pistil. (LeMaout and Decaisne.) 



Fig. 2S5, I. — Mouse-tail. Flower, entire. Same, cut verticaUy. (Baillon.) 



evidently belonging to a previous year, and at the same time 

 having organs, underground or near the surface, swollen 

 with food evidently destined to supply material for the 



