AJjQM OF WEST IBELAND. 117 



2. Hyalotheca mucosa, Ehrenb. (Ralfs, Brit. Desm. p. 53, 

 tab. 1. fig. 2.) 



I. Near Oughterard ; Derryclare Lough. — II. Muckross ; 

 Carrantuohill ; Glen Caragh. 



3. H. u^dulata., Nord. in Nord. et Wiitr. Alg. Exsic. no. 248. 

 Long. cell. 15-17*5 /z ; lat. 7'5-8 /i ; lat. isthm. 6'5-7'5 // ; diam. 



fil. cum vag. 25 p. 



I. Ballyuahinch; Roundstone. — II. Upper Lake of Killarr.ey ; 

 Lough Guitane; Adrigole. 



1. Gymnozyga moniliformis, Ehrenb. [Bambusina Brebis- 

 sonii, Kuetz. ; Didymoprium Borreri, Ralfs.~\ 



Long. cell. 25-30 ^ ; lat. ad bas. semicell. 17'5-22'5 fi ; lafc. ad 

 apic. 15-2-17-5/y; long, zygosp. 25-35 /x; lat. zygosp. 20-24 ft. 



I. Near "Westport ; Ballynahinch ; Lakes near Recess (cum 

 zygosp.) ; near Oughterard ; Arderry, Oorid, and Derryclare 

 Loughs ; near Leenane ; Kylemore ; Lakes, Clifden to Bound- 

 stone. — II. Tore Mt. ; Cromagloun ; Upper and Lower Lakes 



of Killarney ; Glen Caragh ; Castletown ; Glengarriff ; Sugar 

 Loaf Mt. 



1. Desmidiitm cylikdricum, Grev. [Didymoprium Grevillei, 

 Ralfs {Brit. Desm. p. 57, tab. 2).] 



Long. 22-25^; lat. 49-52 /x; lat. isthm. 40-42 /x; lat. apic. 

 37-40 /i; crass. 35-40 xx. 



1. Ballynahinch (cum zygosp.) ; Arderry Lough; near Ough- 

 terard ; Lakes near Eecess ; Lakes, Clifden to Koundstone ; 

 Roundstone. — II. Tore Mt. ; Sugar Loaf Mt.; Castletown; 

 Adrigole; Glengarriff. 



2. D. Swaetzii, Ag. (BaJfs, Brit. Desm. p. 61, tab. 4.) 



I. Near Westport ; Ballynahinch ; Lakes, Clifden to Round- 

 stone ; near Oughterard ; near Leenane ; Lough Shannacloon- 

 tippen ; Kylemore. — II. Cromagloun; Clogerheen ; near Lough 

 Brin ; Sugar Loaf Mt. ; Adrigole ; Glengarriff. 



3. D. AFTOGONUM, Breb. [Aptogonum Desmidium, Ralfs 



I. Ballynahinch ; Roundstone. 



] 



1. Docidium baculum, Breb. in Ralfo, Brit. Desm. p. 158, 



tab. 33. fig. 5. 



Long. 167-262 ft ; lat. ad bas. inflat. 12-13 ft ; lat. apic. 

 8-5-10 ft. 



