ALG^J OE WEST IBKLAND. 135 



10. Micrasterias papillifeea, Breb. in Balfs, Brit. Desm. 

 p. 72, tab. 9. fig. 1. 



Long. 135-145 /u ; lat. 115-145 /z ; lat. isthm. 15 /i. 



I. Ballynahinch ; Dear Westport ; Creggan Lough ; Derryclare 

 and Moher Loughs. — II. (xlengarriff ; Cloonee Lough; Castle- 

 town ; Adrigole. 



Nord. in Nord. et Wittr 



I. Ballynahinch. 



tVar. glabra, Nord., ftforma inflata. (PI. XX. fig. 10.) 

 Forma semicellulis inflatione ad basin instructis. 

 Long. 84 fi ; lat.=long. ; lat. isthm. 15 fx ; crass. 29 ju. 



I. Ballynahinch. 



II. M. TitUNCATA, Breb. in Half's, Brit. Desm. p. 75, tab. 8. 

 tig. 4, tab. 10. fig. 5. 



Long. 100-110 fx ; lat. 90-108 /x ; lat. isthm. 20-27 p. 



I. Near Westport ; Ballynahinch ; Kylemore ; Creggan, Shin- 

 dilla, Arderry, Oorid, and Derryclare Loughs; lioundstone ; near 

 Oughterard ; Lough Aunierin ; near Recess. — II. Cromagloun 

 Muckross ; Carrantuohill ; Grlen Caragh ; Castletown ; near 

 Lough Brin ; GlengarriflT. 



t Forma guanulata, Bacib. {Desm. Nov. 1889, p. 26.) 

 I. Ballynahinch ; Athry Lough. 



ft Forma punctata. 

 Forma membrana insigniter punctata. 

 Long. 50 fx ; lat. = long. ; lat. isthm. 30 fi. 



I. Near Oughterard; Nacoogarrow Lough. — IL Lough 

 Gruitane. 



12. M. crenata, Breb. in Ralfs, Brit. Desm. p. 75, tab. 7. 

 fig. 2, tab. 10. fig. 4. 



I. Kylemore ; Lakes, Clif den to Koundstone. 



13. M. Jenneri, Ralfs. {Brit. Desm. p. 76, tab. 11. fig. 1.) 

 Long. 162-165 /x ; lat. 105-117 fx ; lat. isthm. 33 fx. 



I. Kylemore. — II. Carrantuohill. 



Var. simplex, West. (Fr. Wat. Alg. of N. Wales, in Journ. 

 R. Micr. Soc. April 1890, p. 287, pi. vi. fig. 34.) [M. 



LT>N. JOUKN. — BOTANY, VOL. XXfX. M 



