362 EQUiSETACEiE. [Equisetum. 



ACOTYLEDONES OR CRYPTOGAME^. 



ORDER LXXXn.— EQUISETACE^. 



EQUISETUM Linn. 

 1. B. arvense (Linn.) — Field Horse-taU. 

 Districts 123456789 10 11 12 

 Lat. 51°-56o. Throughout Ireland. 

 Type in Great Britain, British. 



Damp fields, way-sides, and waste places ; frequent. Fl. 

 April. 



2. E. umbrosTim (Willd.) — Blunt-topped Horse-tail. 

 E. Drummondii (Hook.) Flor. Hib. 

 Districts ---------- 11 12 



Lat. 54°-56'». North of Ireland. 

 Type in Great Britain, Scottish. 



Wet places and mountain glens ; local. Fl. April. 



11. At Culdaff ; near an old mine between Dunfanaghy 

 and Gweedore ; at Mount Charles, and near the town of 

 Donegal; Flor. Ulst.— 12. "Wolf HiU, near Belfast; Fbr. 

 Hib. At the base of Divis mountain; Loonburn; near 

 Donegore ; between Doagh and Antrim ; and Boyd's Glen 

 at Wolf Hill; Woodburn Glen, Carrickfergus ; Flor. Ulst. 

 HiU above Hannah's-town ; Mr. S. A. Stewart. Not un- 

 frequent in the mountain glens of Antrim, as near the base of 

 Slemish mountain, above the village of Buckna; Head of 

 GlenarifE ; near Cushendall ; head of Glenballyeamore, &o. ; 

 B.M. 



3. E. maxiraum (Lam.) — Crreat Horse-taU. 

 E. Telmateia (Ehrh.) Brit. Flor., &c., E.flmiatile Flor. Hib. 

 Districts 1 2345---- 10 11 12 

 Lat, 51°-56°. From South to North of Ireland. 

 Type in Great Britain, English, inclining to British. 



