15 96 Proceedings of the Royal Irish Academy. 



Ealfsia elavata Farl.—CI, CB, /. 



verrucosa Aresch. — c. 

 * ?L. fatiscens Aresch. — CB r. See note. 

 fPetrodernia rnaculans Euck. — CB r. See note. 



Spernmtoehnus paradoxus Eiitz. — CB, AS, BB, c. 

 , Stilopliora rhizodes J. Ag. — AS r. 

 Chordaria flagelliformis Ag. — /. 

 Mesogloia vermiculata Le Jol.— CI/. 



lanosa Cm. — CB r. Dredged in 3 fathoms. 

 Griffithsiana Grcv. — CB, AS, r. Washed ashore. 

 tAcrothris gracilis Eylin. — CB, AS, r. See note. 

 Castagnea virescens Thur. — CIc; Old Head/. 

 Zosterae Thur.— CB, BB,/. On Zostera. 

 Microcoryne ocellata Stromf. — BB j\ On Dasya arbuscula. 

 Petrospongiuni Berkeleyi Nag. — CI/. On rocks, and on Ealfsia. verrucosa. 

 Leathesia tuberiforniis Aresch. — ab. 

 crispa Harv. — CI vr. See note. 

 Sporochnus pedunculatus Ag. — CI, AS, r. Washed ashore. 

 Chorda Slum Stackh.— CB, AS, c. 



toineutosa Lyngb.— CI ;•. In narrow channels. 

 Laminaria saccharina Lamour. — c. 



var. latissinia (Turn.) Bait. — CB c. 

 var. Phyllitis Le Jol. — CI c. 

 digitata Lamour. — c. 



var. stenophila Harv. — CIc. 

 var. vallida Fosl— CB /. 

 Cloustoni Echn. — CIc. 

 Saccorhiza polyschides Batt. (= S. bulbosa Be la Pyl.) — CI/. 

 Alaria esculenta Grev. — CI c. 



Cutleria multifida Grev. — CB ;'. Dredged 3-5 fathoms. 

 (forma Aglaozonia reptans Cm. — CB<(/). Dredged 3-5 fathoms.) 



FUGINEAE. 



Fucus ceranoides L. — CB, AS, BB, c. See note, 

 spiralis L.—ab. See note. 



var. platycarpus Batt. — CB, AS, ab. 



var. nanus Stackh. — CB c. See note. 

 vesiculosus L. — ab. See note. 



var. evesiculosus Auct. — CI ab. 



var. laterifructus Grev. — AS c. 



var. vadorum Aresch. — CB c. 



var. balticus J.Ag. — CB, AS. c. 

 J var. muscoides var. ncv. — CB, AS, c. 



