Sagittaria.] ALISMACE^. 371 



Kilrea, and abtrndant by the Bann from Toome to near Coleraine, 

 Derry : Moore MS. In the Bann at Toome ; pond at Belmont and 

 many places in the ITewry canal ; also frequent in the Lagan 

 canal from Lough Neagh to near Belfast (Stewari) : Flor. N.-E. 



Occurs along the whole course of the Shannon and canals 

 issuing from it, whence it has spread southward iato the Barrow ; 

 also throughout the basia of Lough Neagh. 



BUTOMUS Linn. 



1. B. umbellatus Linn. — Flowering Rush. 



Districts — II. V. VI. YII. X. — XII. 



Lat. 51J°-64J^°. South, Middle, and North-East. Type, English. 



Lowland. Eivers, ditches, canals, and lakes, in stagnant water ; 

 rare and local. Fl. June-August. 



II. In the Blackwater above the bridge at Fermoy : Brummond 

 i8ig. Blackwater near Eermoy : Ma/rt i88§ S. Ballycotton bog, 

 and abundant near Buttevant [Rev. T. Allin) : Meo. Add. Near 

 Doneraile and Castletownroche ( Ca/rroU) ; CharleviUe {Rev. T. 

 Allin) : Alliums Cork. Banks of the Blackwater near Lismore, 

 Waterford ; F. E. Cwrey. — V. Ditch near the Grand Canal below 

 Lord Cloncurry's house, EUdare : Mack. Cat. In the Tolka below 

 Glasnevin bridge {Moore) ; in the Mattack river near Drogheda 

 (</". B. Samilton) ; perhaps introduced in both stations : Cyl. In 

 the Boyne near the Obelisk ; Rev. S. G. Carroll. — YI. About the 

 Shannon, and near Corbally bridge. Limerick : Wade Rair. Plentiful 

 near Limerick {Prof. Hwrvey) : Cyl. Banks of the Shannon at 

 Castle Connell ; ditches near Corrofin, Clare : Mack. Ra/r. Marshes 

 about the river Fergus : Wade Ra/r. Abundant about Ennis 

 {Rev. T. Warren) : Cyl. Near Ennis, 1892 ; Levinge. Island in 

 Lough Derg near Killaloe ( C. B. Bwrrington) : Hart i88z y. 

 Sparingly in bog drains by the Shannon at EiRaloe ; and — YII. In 

 the Nenagh river near Dromineer, Tipperary : N. C. i8g'j. In the 

 Brosna at Parsonstown {M. Bowd) : Rec. Add. — X. Shores of the 

 upper Bann; in the canal near Tanderagee, Armagh {Admiral 

 Jones) ; in the Blackwater near Maghery {Rev. G. Robinson) : Cyb. 

 Abundant along the Lough Neagh shores and connecting water- 

 ways, Co. Armagh : Praeger i8gj. Doon Point, Lough Neagh, 

 Tyrone {Miss M. C. Knowles) : Ir. Nat. i8()'j. — XII. South end of 

 lough Clay [Lough Leagh] near Killaleagh, Down, 1804 : Templeton 



2b2 



