ALGiE OF WEST IRELAND. 103 



1. Urococcus instgnis, Kuetz. [Chroococcus macrococcus, 

 Rabh., et var. aureus, Rabli. (Fl. Europ. Alg. ii. p. 33).] 



I. Lough Aunieriu; Lakes, Clif'den to Koundstone ; Ballyna- 

 hiach. — II. Carrautuohill. 



I. Khaphidium polymorphum:, Fresen., var. acicula.ee (A. 

 Sr.) 9 Rabli. {Fl. Europ. Alg. iii. p. 45.) 



II. Lower Lake of Killarney. 



Var. falcatum, Rabh. (FL Furop. Alg. iii. p. 45.) 

 I. Near Westport ; Creggan Lough ; Babeh Loughs ; Bally- 

 nahineh ; Lough Shannacloontij^pen ; Lakes, CJifden to Round- 

 stone. — II. Lough Guitane ; Cromaglouti ; Muckross ; Upper 



and Lower Lakes of Killarney ; Gleu Caragh ; near Lough 

 Briri; Carrantuohill. 



1. Scenedesmus imjugatus, Kutz. [Scenedesmus obiusus, 

 Meyen ; S. quadricauda, Turp., var. ecoruis (Fhrenb.), Ralfs 

 (Brit. JDesm. p. 190, tab. 31. fig. 12 h et t).] 



I. Near "Westport ; Clif den ; Lough Shannacloontippen. — II. 

 Lough Guitaue ; Upper Lake of Killarney. 



f2. S. alternans, Reinscli. (Alg. Fl.) 

 I. Lough Shannacloontippen ; near Oughterard; uear Recess ; 

 Clifden. — II. Carrantuohill ; Adrigole. 



f3. S. denticulitus, Lagerh. (Bg. till Stockh. Pediastr., 

 Protococc. och Palmell. p. 61, tab. 2. figs. 13-16.) 

 Long. cell. 12-5-14/1 ; crass, cell. 7*5-9 fi. 

 I. Ballyuahinch ; Lough Shannacloontippen. 



ft Var. lineatus, nov. var. (PI. XVIII. fig. 7.) 

 Var. cellulis oblongis angustioribus et in unam seriem ordirm- 

 tis, nee cruciatim nee alternatim ; cum 2-3 dentibus parvis. 

 Long. cell. 10-11 u ; crass, cell. 2 

 I. Derryclare Lough. 



4. S. quadbicauba, Breb. (llalfs, Brit. Desm. p. 190, tab. 31. 

 fig. 12 «-/.) 



I. Baheh Loughs; Lough Aunierin ; Ballyuahinch; near 

 Westport ; Derryclare Lough ; Creggan Lough ; Loujjh Shan- 

 nacloontippen. — II. Lough G uitane ; Lower Lake of Killarney; 

 Clogerheen. 



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