Stewart — On the Botany of South Clare and the Shannon. 368 
TYPHACE^. 
Tijpha latifolia^ Linn. Ennis, Lough Senan, TuUagher, Doonbeg ; 
frequent in Clare. 
Sparganium ramosum, Huds. Common. 
S. minimum^ Fries. Frequent in bogs about Ennis, abundant in 
Lough Senan and TuUagher Lake ; also Blue Lough and Curragh 
Chace. 
ARACE^. 
Arum maculatum^ Linn. Sixmilebridge ; common. 
LEMNACE^. 
Lemna trisulca, Linn. Abundant about Ennis. 
L. minor ^ Linn. Common. 
POTAMOGETOJSTACE^. 
Potamogeton natans, Linn. Ponds and lakes ; frequent. 
P. polygonifolius, Pourr. Kilrush, Tullagher Lake, Carrigaholt ; 
frequent. 
P. rufescens^ Schrad. St. Senan' s Lough ; not common. 
P. Eoth. Lough Senan. 
P. perfoUatus^ Linn. Abundant in the Fergus at Ennis, and in Lough 
Senan. 
P. friesii, Eupr. (P. mucronatus^ Schrad.) Pond near Foynes. 
P. pusillus, Linn. Ponds and lakes ; frequent. 
P. pectinatus^ Linn. Eiver Fergus at Ennis, also at Eallybunion. 
P. densus, Linn. In great abundance in the alluvial flat by the Mague 
from Ferry Bridge to Einekirk. 
Ruppia rostellata^ Koch. Brackish ditches, Kilrush, Foynes, Bally - 
bunion. 
Zannichellia palustrisy Linn. Einekirk. 
NAIDACE^. 
Zostera marina, Linn. Scattery Island, and frequent. 
CrPEEACEJE. 
Seh(dnus nigricans, Linn. Ballycar, and abundant from Askeaton to 
Foynes. 
Cladium mariscuSy E. Br. Marshes at Blue Lough, south of Pallas- 
kenry. 
