﻿INTRODUCTION 
  TO 
  BOTANY 
  

  

  &MJb^*i 
  

  

  - 
  

  

  FIG. 
  71. 
  A 
  potato 
  plant 
  grown 
  from 
  the 
  tuber, 
  ten 
  weeks 
  old 
  

  

  o,i)ld 
  tuber; 
  .s, 
  stems 
  on 
  which 
  yotin.u 
  tubers 
  arr 
  foniiin.i,'. 
  One 
  sixth 
  natural 
  SI/.P. 
  

  

  Tin- 
  total 
  space 
  orrupic.! 
  by 
  this 
  plant 
  is 
  iiuicli 
  nu.iv 
  than 
  two 
  bundled 
  times 
  that 
  

  

  oecupied 
  by 
  th<- 
  seedling 
  plant 
  of 
  the 
  same 
  age 
  (see 
  fig. 
  70) 
  

  

  are 
  borne 
  in 
  considerable 
  numln-rs 
  along 
  the 
  stein, 
  in 
  the 
  leaf 
  

   axils, 
  and 
  may 
  be 
  found 
  on 
  the 
  ground, 
  rooting, 
  in 
  the 
  late 
  

   autumn 
  and 
  the 
  following 
  spring. 
  Some 
  of 
  our 
  common 
  wild 
  

   plants, 
  including 
  certain 
  ferns, 
  are 
  propagated 
  by 
  bulblets. 
  

  

  