Equisetum.] equisetace^. 363 



Damp fields, and wet shady places ; not unf requent. Fl. 

 April. 



Apparently more rare in the west, but will probably be 

 found in every county. 



4. B. sylvaticum (Linn.) — Wood Horse-tail. 

 Districts 12-45-789 10 11 12 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, British. 



"Wet shady places, moist woods, hedge-banks, &c. ; not 

 unfrequent. Fl. May, June. 



Chiefly in mountainous situations, and abundant in the 

 north of Ireland. Rather scarce in some of the lowland 

 districts. 



5. B. limosum. (Linn.) — Water Pipes. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, British. 



Ditches and pools, sides of lakes and rivers ; common. Fl. 

 June, July. 



An abundant species, often filling the bog ditches, and 

 very generally distributed. The peasantry give it the 

 appropriate name of " pipes." 



6. B. palustre (Linn.) — Marsh Horse-tail. 

 Districts 12-45--89 10 1112 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, British. 



Boggy and marshy places ; frequent. Fl. June to August. 



Far less abundant than F. limosum, but occurs probably in 

 every county. 



7. E. hyemale (Linn.) — Shave-grass, Dutch Rushes. 

 Districts 1-345------ 12 



Lat. 51°-55°. From South to North of Ireland. 

 Type in Great Britain, Scottish, inclining to British. 



Marshy woods, and wet shady places; rare. Fl, July, 

 August. 



