ACOTYLEDONES OE CRYPTOGAME^. 



EQUISETACEJE. 



Equis^tum linn. 

 1. E. arv&LSe Linn. Corn Horse-tail. 



E. arvense longioribus setis, R. C. 48. M. M. 12. E. 

 arvense, M. PI. 23. Relh. 423. 

 Damp meadows. P. April. 

 Common throughout the county. 



2. E. Telmateja Ehrh. Greater Marsh Horse-tail. 



E. primum, E. C. 49. E. cfficinarum, M. M. 12. E. 

 Jhmdtile, M. PI. 23. Relh. 424. 

 Wet places. P. April. 



3. By a -water-course between Eversden Wood and a 

 clunch-pit in that parish ! ; N. — 6. Ely ! ; H. 



3. E. sylvaticum Linn. 



M. PI. 23. Relh. 423. 



Wet shady places. P. April, May. 



3. Madingley Wood; J. M. — 4. Chesterton; Relh. 



4. E. limdsum Linn. 



M. PI. 23. Relh. 424. 

 In stagnant water. P. June, July. 

 1. In the brook, and in a pond, Fulbourn. Wilbraham 

 Pen. Linton ; G. S. G. — 2. Peat-holes, Triplow. — 3. Gam- 



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