Fotamogeton.] NAIADACE^. 377 



I. In a small lake in Muckniss demesne ; in the river Laime 

 near Ballymalis Castle, Kerry : E. W. S. zSSg.—V. Plentiful in tlie 

 Boyne at Bective, Meath: Praeger i8gy. — VI. Lough. Senan, 

 Clare : Stewart i8go. — ^VII. Lough Drin and Lough Dereveragh, 

 "Westmeath: Levinge i8g4. Plentiful in Lough Eee : B.SfV. 

 IBS'/. — VIII. Locally abundant in Lough Corrib, near Maam : 

 M. Sf S. i8g6.—lX. Eiver at SUgo ; aad in Glenade Lake : S.^V. 

 i88§. Eiver Suck, Eoscommon : Levinge in Serb. — X. Sparingly 

 in the stream connecting Carrick Lake with Bunnahone Lake, near 

 Derrygonnelly, Fermanagh : Stewwrt 1882. Abundant near Kesh 

 river, Lough Eme : Bwrrington 1884. Lough Neagh, near Kinnegoe 

 {Praeger), near Derryadd Bay {Rev. ff. W. Lett) : Praeger i8gj. — 

 XI. Letter river near Pettigoe : Sort 188^ y. Lakes in. Eanet, 

 Donegal; Sart. — XII. Lough Beg, ia both Antrim and Derry 

 ( Corry) ; in the Bann above Coleraine ; and in Lough Moume, 

 Antrim {Stewart): Flor. N.-E. Lough Neagh at Cranfleld, and 

 Lagan canal near Blaris {Stewart); in the Bann at Eih-ea, Derry 

 {Mrs. Zeehody) : S.Sf P. iSgj. 



First found by S. A. Stewart, at Derrygonnelly, in 1881. 



9. P. praelongus Wuli. — Zong Pond-weed. 



Districts I. VI. VII. VIII. IX. — XL XII. 



Lat. 52°-65i°. South to Worth. Type, Scottish-Intermediate. 



Lowland. Lakes and ditches ; very rare. PI. June-July. 



I. Blackwater, Kerry {Zr. Taylor) : Cyh. Lower Lake, Kil- 

 larney ; and Lough Acoose, Glencar, Co. Kerry : R. W. S. i8gi. — 

 VI. Plentiful at Castleconnell and Plassy, Limerick, 1834 ( W. H. 

 Savvey) : Sa/rveyh Memoir, i86g. — VII; Lough Owel, "Westmeath : 

 Zevinge i8g4. — VIII. In Lough Cullin, Mayo {More) : Cyl. "West 

 side of Longh Mask about three miles north of Clonbur : M. Sf S. 

 i8gb. Ballinahinch, Galway, 1881 ; Bolton King. Lough Corrib, 

 1885 {Rev. R. P. Mwray) : Herl. Ar. Bennett. — IX. In two lakes 

 east of Foxford {More) : Cyl. South-east comer of Lough Mask : 

 M. Sf S. i8g6.—Xl. Plentiful at the south end of Lough Finn, 

 Donegal : Sart 1886. — XII. Ditches by the Lagan between the 

 first and second locks : Flor. Ulst. Lough Moume, Antrim : Flor. 

 Belf. In a small lake above Kilrea, Derry {Moore) : Flor. Sib. 

 In Lough Neagh, Antrim {Moore) : Cyh. In the canal from Belfast 

 to Lisbum, in several places {Stewart) : Flor. N'.-F. Plentiful in 

 Ushet Lake, Eathlin Island : Stewart 1884. 



