^i-assjjicanon of Plants 



231 



Fig. 205, I. — Equiseium sylvaticuyn : a ,z.{tx\X\es,^oo\, not containing chloro- 

 phyll, bearing the sporangia at its summit ; ,*, a fertile green shoot ; "between 

 these a sterile green shoot (reduced) ; these three kinds of shoots do not always 

 occur. 



