ALGiE OP WEST IBELAND. * 119 



Var. nodulosum (Breb.), nob. [Docidium coronatum, Breb., 

 var. nodulosum (Breb.), Boy (Fr. Wat. Alg. of Enbridge 

 Lake and vicinity, in Jburn. Bot. Nov. 1890).] 

 II. Cloonee Lough ; 8 m. S. of Kenmare. 

 In a gathering from near Paris, recently examined, an inter- 

 mediate form between P. coronatum and var. nodulosum was 

 abundant. 



2. Pleurotjenium Ehrenbergii, De Bary. [Docidium 

 Ehrenbergii, Ralfs (Brit. Desm. p. 157, tab. 26. fig. 4).] 



Long. 262-400 /z; lat. ad bas. semicell. 18-22*5 li; lat. ad apic. 

 16-18 li. 



I. Near Westport ; Kylemore ; Eoundstone ; Moher Lougli ; 

 Creggan Lough ; near Ballynahinch ; Lakes, Clifden to Eound- 

 stone ; Lakes near Recess ; Lough Aunierin ; Lough Shanna- 

 cloontippen ; Lough Derryclare ; Athry Lough. — II. Lough 

 G-uitane ; Muckross ; Upper and Lower Lakes of Killarney ; 

 Grlengarriff; near Lough Brin ; Castletown; Adrigole; 8 m. 8. 

 of Kenmare. 



Var. eloxgatum, West. [Docidium Ehrenbergii, Balfs, 

 var. elongatum, West, in Fr. Wat. Alg. of N. Wales, 

 p. 284.] 

 Long. 525 lx ; lat. ad bas. inflat. 26 lx ; lat. ad apic. 19 /i ; 

 lat. ad med. semicell. 21 li. 

 I. Clifden. 



3. P. clavatum, De Bary. [Docidium clavatum, Kuelz. 

 in Balfs, Brit. Desm. p. 156, tab. 26. fig. 3.] 



Long. 500 /i : lat. ad bas. inflat. 22 lx ; lat. ad apic. 19 lx. 

 I. Near Westport ; Eoundstone ; Arderry Lough ; Lough 

 Aunierin ; near Ballynahinch. 



4. P. maximum, Lund. (Desm. Suec. p. 89.) 



Long. 212-300 li; lat. ad bas. inflat. 18-27//; lat. ad apic. 

 15-20 lx. 



I. Arderry, Aunierin, and Oorid Loughs; Ballynahinch. — II. 

 Cromagloun ; Glen Caragh ; Sugar Loaf Mt. ; near Lough Brin ; 

 Carrantuohill ; Grlengarriff. 



Ifi 



Naeg. [Docidium truncatum, Breb. in 



LINN. JOURN. — BOTANY, VOL. XXIX. L 



