THE PHYTOLOGIST. 



Art. CLXVII, — A Histoi-y of the British Equiseta. By PiUWARi) 

 Newman. (Continaed from p. 700). 



a. Diagram ofa barren stem. h, Portion of ditto, natural size. c, One of the sheaths of Uie branches. 



d, Section of stem. 



GREAT EQUISETUM. 



Equisetum Telmatkia, Ehrhart. 

 Equisetum Jluviatile, Smith, Hooker, Babington. 



3q 



