PhofoiiilcroLirciplis of Botanical Studies. 



21. L.S. Lateral growing point of " Equisetum telmateia." 



r~\i_i p Bud sheath. 



t Apical ceH. 



-^r- Zone of dividing 

 V y nucleated tissue. 



Axis of developing 

 branch. 



22. — T.S. Fertile head of "Equisetum telmateia. 





i£t)»> 





Sporophyl. 



Sporangia. 



(Spores & elaters). 



Vascular system of stem. 

 Cavity of axis. 



