J CETJCIFEE^. 31 



Castle, near 'Waterville, 1845 {W. E. Hm-vey): Herh. T.C.D. 

 Lough Calee and Lougli Acoose, Magillicuddy's Eeeks : Sort 1882. 

 Ardagh Pond and several locaUties in tlie Killamey Lakes : R. W. S. 

 1888. Lough. Camclaun, Connor Hill : H. W.S, i8gi. In Gougane 

 Barra lake, Cork {Prof. Swmey) : Cyh. — VI. Betw.een MiUtown 

 and Kilkee, Co. Clare [Moore) : Cyh. — ^VIII. In several small 

 lakes near Ballynahincli, Connemara, 1805 : Mack. Rmr. Abun- 

 dant in BallynaMnch and Derryclare lakes : Hart 188 j a. Glenda- 

 lough lake : Ir. Nat. i8g^. In a lake on Mweebea mountain, 

 Mayo : Flor. Sib. — and (same station) Lougli Lugaloughaun ; 

 Sairt 1883 a. In Lough Coolin, near Clonbur : M.SfS. i8g6.-^ 

 |[X. In Lough JS'eagh, Co. Armagh [Moore) : Cyh. — ^perhaps extinct 

 now.] — XL Lough-a-Caraban, a little north-west of the Gap of 

 Bamesmore : Mwrphy i82g. — XII. Growing under water in sandy 

 soil in the Irish lake, Lough Neagh . . . near Moyra [Dr. Sherao'd) :: 

 Eay Synop. ibgb — stUl there in 1836 ; GoTby 183'/. Plentiful 

 along the shores of Lough Neagh between the Lagan canal and 

 Portmore ; at Selshan and near the Creagh bog {Moore) : Cyh, 

 "West side of Lough Beg, between Coney Island and Church Island^ 

 1870 {Stewart): Rec. Add. The latter station appears to be the 

 only one where the plant now survives in District XII., the lowerr 

 ing of the level of Lough Neagh by drainage in 1855 having almost 

 extinguished the species, once so abimdant all, round its shores. 



To 1200 ft. in Mayo and 1250 ft. in Kerry {Sa/rt). Descends 

 to about 50 ft. in Deny and in Kerry. 



Pirst discovered by Dr. Sherard in Lough Neagh in 1691 : not 

 previously observed in the British Isles. 



Prom a letter preserved at Oxford -it appears that Sherard 

 was at Moyra in 1691, and in Plukenet's Phytographia, Tah.^ 

 clxxxviii. ibga, the plant is figured, from an Irish specimen, 

 with the note : d, B. Sherard Inventore ex Sihernid in AngUam 

 mtperrime nohis transmissa est. 



BEASSICA Linn. 



1. B. nigra Koch. — Black Mustwrd. 



Sinapis nigra Linn. — Brassiea sinapioides Eoth. 



Districts I. II. — IV. V. VI. — VIII. XL XII.. 



Lat. 51i°-54°. South and South-east chiefly. Type, .English. 



Lowland. Banks [by the sea and in cultivated land and waste 

 places; rare. i^. June-August. 



