192 MR. W. WEST OS THE FRESHWATER 



2. Chlorococcum huaiicola, Babh. (Fl. Europ. Alg. iii. 



p. 5S.) 



II. Lough Gluitane. 



1. Glceoctstts ampla, Habh. (Fl. Europ. Alg. iii. p. 29.) 



1. Lough Aunierin ; near Recess ; Creggan Lough ; Lakes, 

 Clifden to Eoundstone ; Lakes east of Lough Bofin ; Lough 

 Shannacloontippen ; near "Westport. — II. Near Lough Brin ; 



Adrigole. 



2. (x. rupestris, Babh. (L. c. p. 30.) 



I. Lough Shannacloontippen ; Derryclare Lough. — II. Near 

 Killarney. 



3. G. vesiculosa, Naeg. (Bubh. 1. c. p. 29.) 

 Diam. cell. 7-9 /i. 



I. Derryclare Lough ; Eoundstone ; Oorid and Nahincka 

 Loughs. — II. Upper Lake of Killarney; Carrantuohill; near 

 Lough Brin ; 8 m. S. of Kenmare. 



4. G. botryoides (Kuetz.), Naeg. (Babh. I. c. p. 30.) 

 I. Derryclare Lough. 



1. Eremosph^era yiridis, De Bary. (Sabh. Fl. Europ. Alg* 

 iii. p. 21.) 



L Lough Creggan ; Lakes near Eecess. — II. Cromagloun ; 

 Clogerheen ; Lower Lake of Killarney ; Castletown ; Adrigole. 



ttl. Botryococcls calcareus, nov. sp. (PI. XVIII. fig. 6.) 

 B. thallo minimo subuloboso circiter 32 cellularum, libere 



o 



natantiurn vel in massas parvas aggregatarum ; cellulis ovato- 

 cuneatis, polo latiore subemarginato et polo angustiore verso 

 medio thalli. 



Diam. fam. 30-55 fx ; long. cell. 9-12-5 /x ; lat. cell. 10-12-5^ ; 

 crass, cell. 7*5-10 /u. 



Frequent amongst Spirogyra in small limestone pools on the 

 Burren Hills, Co. Clare. 



This differs from B. Braunii, Kuetz., in the very different shape 

 of the cells and in not having them so densely packed. 



2. B. Braunii, Kuetz. (Habh. Fl. Europ. Alg. iii. p. 43.) 

 I. Kear Oughterard ; Lakes, Clifden to Eoundstone. — II- 

 Cromagloun; Carrantuohill; Lower Lake of Killarney; Castle- 

 town ; Glen Caragh ; 8 in. S. of Kenmare. 



