600 



CXIII. EQUISETACE^. 



\_Equisitunu 



perennial filiform rough branched only at the "base with 4—1 o 

 furrows, sheaths green below black above with white membra- 

 naceous obtuse bristle-pointed teeth (black at their base), catkin 

 terminal mucronate. E. B, t. 1987. 



banks of the 



Portmarnock 

 Stems peren- 

 Mr. Babinc:- 



O 



Sandy sea-shores and in water. Sands of Barrle; 

 Dee. Near Liverpool ; Salcombe Cliff, Devon, 

 sands; Mucruss ; Dublin canal, Fr, July, Aug. 

 nial, usually decumbent, 6 — 8 inches long, slender. 

 ton considers his var, fi. arenarium. identical with the varieqa^ 

 turn of E. B., and he has a var. 7. Wilsoni (Newm.), ''st. erect tall 

 (3 feet), sheaths with a black ring at the summit; teeth short, ob- 

 tuse." This was found at Mucrus, by Mr. Wilson, growing in water 

 and has since been detected in the Dublin canal and on the banks of 

 the Dee. 



Note, — The remainder of the Orders of the Class Cryptogamia 

 are given, with their Genera and Species, in the 5th volume of 

 ** English Flora'' (or the 2d. vol. of the former editions of the 

 present workl • 



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