62 ELEMENTS OF STRUCT I ' KAL KnlANY. 



swollen end of the stem. This swollen mass is coatr 1 on 

 the outside with thin scales. A section across the middle 

 shows it to be more or less solid, with the stem growing 



. 82. 



up through it from its base. It is, in fact, not easy to say 

 how much of this stem-like growth is in ivalitv 



. 82,-Dog's-toofb Violet 



