ALGiE OF WEST IRELAND. 179 



I. Lough Shannacloontippen"; near Leenane ; Creggan Lough ; 

 Lakes near Recess ; Ballynahinch. — II. Carrantuohill; Cloonee 

 Lough ; near Lough Brin ; Lower Lake of Killarney. 



tt45. Staurastrum pyrahidatum, noy. sp. [S. muricatum, 

 Breb., var. acutum, West (Freshw. Alg. of N. Wales, p. 294, 

 tab. 5. fig. 14).] 



S. mediocre, quinta parte longius quam latius, sinu lineari ; 

 semicellulaB pyramidato-truncatae, marginibus -lateralibus leviter 

 convexis, apieibus truncatis et rectis vel levissime retusis ; a 

 vertice visse triangulares, lateribus convexis, angulis late rotun- 

 datis ; membrana spinis acutis irregulariter di^positis vestita. 



Long, cum spin. 68 li ; long, sine spin. 60 ix ; lat. cum spin. 

 55 /x ; lat. sine spin. 50 ll ; lat. isthm. 20 ll. 



II. Carrantuohill. 



lialfi 



I. Near "West port; Baheh Loughs; near Leenane ; Lakes, 

 Clifden to Boundstone; Ballynahinch ; Lough Aunierin ; Lakes 

 near Recess; Lough Shannacloontippen. — II. Lower Lake of 

 Killarney; Carrantuohill; Clogerheen. 



47. S AMCBiruM, Hilse. [S. capitulum, Breb., var. amcenuin, 

 Babh. Fl. Furop. Alg. iii. p. 209.] 



I. Kylemore. — II. Lower Lake of Killarney ; Carrantuohill. 



tVar. brasiliense, Boerg. (Desm. Brasil. p. 950, tab. 4. 

 fig. 44.) (PL XXIII. fig. 9.) 

 Forma seriebus duabus transversis granuloruin ad basin semi- 

 cellularum ; a vertice visa trigoua, lateribus concavis ; a baai visa 

 margine 20-crenata. 



Long. 38 li ; lat. ad bas. semicell. 20 ii ; lat. ad apic. 22 p. ; lat. 

 isthm. 13 ii. 



I. Ballynahinch. 



48. S. Meriani, Beinsch. {Alg. Fl. p. 160, tab. 12. fig. 1.) 

 Long. 40 n ; lat. ad bas. semicell. 20 /x ; lat. ad apic. 25 f i ; lat. 

 isthm. 14 ll. 



L Derryclare Lough. — II. Carrantuohill ; 8 miles S. of Ken- 

 niare. 



