462 SELAGINELLA.CE^. [Isoetes. 



Frequent in the Soutli-"West, West, aad North of Ireland ; rare 

 in the South and East, hut occurs in the counties of "Waterford and 

 'Wioklo'W. 



From sea-level to 1500 ft. ia Donegal; to 2338 ft. in KeiTy 

 (S'art). 



Far. MoEBi Syme. — IV. In Upper Lough Bray, Wicklo-vr 

 {More) : Reo. AM, — stiU ahundant there in 1890 ; JS.. W. S. 



Of this variety, -which is descrihed and figured in Jowrn. of Bot. 

 1 8^8, p . J5J , and is apparently peculiar to Ireland, Ifyman ( Conspeetm 

 Sitpp. p. 34g) says : " far (?) memoralilis a typo speciei hahit-i, vcUde 



I. echinospora Dur. 



Districts I. — — — — — — VIII. — — — _ 



Lat. 51|-°-53j-°. Kerry and Galway. Very rare. 



I. Lakes near the Gap of Dunloe ; and in the Upper Lake of 

 Killamey near Grlenagh Cottage (Moore) : Cyh. Still near Griena 

 Cottage (which is on the Lower Lake, not Upper) ; near the 

 Meeting of the "Waters, and several places ahout Killamey ; ui most 

 of the lakes between Glenoar and KillorgUn, &c. : R. W. 8. i888 ^ 

 -8g.—Yin.. Inish Bofin, Galway : More i8>jb. 



Sea-level to 560 ft. in Kerry {R. W. S.) ; but usually lowland. 



OEDEE LXXXIL— MARSILEACE.a:. 



PILULAEIA Linn. 



1. P. globulifera Linn. — Rill-wort. 



Districts I. — — — _ _ _ VIII. — X. — XII. 



Lat. 52°-55J°. "West and North-East, chiefly. Type, British. 



Lowland. In shallow water and on marshy ground ; rare and 

 local. Frt. June-August. 



I. Sparingly at the south end of Upper Lake, Killarney : R. W.S. 

 i8go. — VIII. In the gravelly watery spots near the bridge of 

 Ballynamore : Wade Qallovid'. Near the Salmon Leap at Ballina- 

 hinch, Connemara: Wade Rar. In abundance at the western end 

 of Glendalough {Praeger) : Ir. Nat. i8gs,p. ibs- Several localities 

 about Lough Mask : R. P. Vowell and M. Sf S. i8g6. Between 

 Letterfraok and Kylemore, sparingly {JE. Seehohm) : Cyb. — 



