ALG^J OF WEST IRELAND. 131 



1. Cylindrocystis Brebissonii, MenegTi. [Penium Brebis- 

 sonii, Rctlfs, Deem. p. 153, tab. 25. fig. 6.] 



1. Moher Lough ; Ballynahiuch ; Lough Shannacloontippen. 

 II. Lougli Gruitane ; Upper Lake of Killarney ; Carrautuohill ; 

 Sugar Loaf Mt. 



2. C. diplospora, Lund. (Desm. Suec. p. 83, tab. 5. fig. 7.) 



I. Arderry Lough ; Ballynahiuch ; Lough Shaunacloontippeu ; 

 Nacoogarrow Lough. — II. Cromagloun. 



tt* major, nov. subsp. (PL XX. fig. 5.) 



C. permagna, diainetro duplo longior, medio non constricta sed 

 subplana, utroque polo rotundata : a vertice visa circularis ; 

 uiembrana achroa, glabra. 



Long. 102 fi ; lat. 43 fi. 



I. Lakes, Clifden to Boundstoue. 



3. C. crassa, De Bary. [Penium rupestre, Rabh. FI. Eur op. 

 Ahj. iii, p. 120.] 



Long. 22-29 fi ; lat. 18-20 ft. 



I. Kyiemore ; Ballyuahinch. — II. Carrantuohill ; near Lough 

 Brin. 



tl. Mesotjenium micrococcum, Kirchn. [Palmogloea micro- 

 cocca, Xuetz.] 



Long. 12-15 fi ; lat. 6'5-8*5 fi. 



1. Lakes, Clifden to Boundstone. — II. 8 m. S. of Kenmare. 



2. M. chlamydosporum, De Bary. (Cooke, Brit. Desm. p. 47, 



tab. 18. fig. 4.) (PL XXIV. fig. 8.) 



Long. 16-21 fi ; lat. 8*5-10 fi ; diam. matur. zygosp. 16-25 /x. 



I. Near "Westport. 



3. M. De-Greyii, W. Turn. (Naturalist, 1886, p. 34, tab. 1. 



%. I.) 



II. Castletown. 



ttVar. brete, nov. var. (PL XX. fig. 6.) 

 Haec varietas multum brevior est quain forma typiea. 

 Loug. 58 fi ; lat. 21-22 fi. 



II. On dripping rocks with Amphoridium Mougeotii and other 

 mosses, Tore Mt. 



tab. 24. fig. 1.) 



Ifs. (Brit. Desm. p. 145, 



