388 FILICES. EQUISETACE^ [Botrychium 



20 Wicklow Lotigh. Dan '94 — P. Chiefly in the centre, rare. 



21 Dublin Dundrum!'98 — Mrs. Tatlow. Not infrequent — Colgan. 



22 Meath N"ear Laytown '94— B.N.E.C. izy. 



23 "Westmth. Ejiock Eyon, &c. — Leyinge '94 ^(?^. Centre and W., r. 



24 Longfd. Carn Clonhugh '98— P. 



27 Mayo W. Eathroeen L. '00 — P. !N"ear Louishurgh — Kinahan^^^. 



28 Sligo Dromore West '96 — Colgan. Frequent in east half. 



30 Cavan Slieve Glah ! '96— MissKelsall. L. Sheelin '85— P. 



31 Louth CoUon (J. White)— "Wade 1804 go2. 



32 Monaghn. Bragan '00 — Waddell. 



34 Dongl. E. Leenane, &c. : ? frequent — Fl. Bon. 



35 Dongl. W. NearGlinsk'98 — Hart ^05. North only, f.—i^/. i)ow. 



36 Tyrone Strabane '96 — Miss EJnowles. 



37 Armagh Navan Port (Johnson)^ Ardmore (Lett !) — P. '93 yoz. 



38 Down Saintfield '99— Waddell. Eare— i^/. JVU. 



39 Antrim Bushfoot '97— Mrs. Swan. Frequent- i^. JVU. 



40 L'derry Benbradagh, Stewart : laie—Fl. NF. 



Equisetum maximum Lamk. Horsetail (genus). 

 Census 37— East 14, Centre 13, West 10. 



Divisions all, except 11 Kilkenny, 27 Mayo West, 28 Sligo. A plant 

 of uneven distribution. Eare in 4, 7, 10, 15, 17, 18, 22, 23, 24, 31, 

 32, 34, 35. Frequent or locally abtindant elsewhere. Appears to be 

 a common plant in the north-east only. 



Equisetum arvense L. 

 Divisions all. Common. 



Equisetum pratense Ehrh. 



34 Dongl. E. Culdaff, G. Dickie— i^/. UUt. '64. 



35 DongL W. Mount Charles, and between Dunfanaghy and Gwee- 



dore, G. Dickie— i"/. Uht. '64. 

 39 Antrim Crow Glen '97— B.N.F.C. 7z;7. Eather rare— i^. iV^. 

 North only, local and rare. 



Equisetum sylvaticum L. 



Census 36— East 12, Centre 12, West 12. 

 Divisions all, exce^jt 11 Kilkenny, 19 Kildare, 22 Meath, 23 West- 

 meath. A local plant, avoiding the limestone, and favouring the 

 uplands. One station only in 6, 7, 13, 17, 26. Much more frequent 

 in Ulster than elsewhere. 



