15 98 Proceedings of the Royal Irish Academy. 



Chantransia endozoica Darb. — CB r. See note. 



Alariae Jons. — CI r. See note. 

 [Daviesii Thur.'j — Eouudstone. 

 Nemalion elniinthoides Batt. — 01/. See note. 



nmltifidnni J. Ag. — CI c. 

 Helniinthora divaricata J. Ag. — Old Head c, CI r. 

 Seinaia fureellata Bivona. — CB r. See note. 



Choreocolax Polysiphoniae Beinsch. — Old Head /-. On Polysiphonia fastigiata. 

 'Harveyella mirabilis Schm. et Bke. — CI, CB,/. On Bhodomela subfusca. 

 Pteroeladia eapillaeea Born.— CI /■. 

 Gelidium crinale J. Ag. — Old Head /'. In sand-pools. 



pusillum Le Jol.—GI, CB, /. 



pulchelluni Kirtz. — CI /. 



latifolium Born. — CI /'. 

 * aculeatum Batt. — f. See note. 



cornemn Lamour. — /. 

 GlGAETDs'AE. 

 Chondrus crispus Stackh. — c. 

 Gigartina maniillosa J. Ag. — c. 

 Pbyllopkora rubens Grev. — CI 7 ; Boonab, Old Head, c. 



Brodiaei J. Ag. — Mulranny r. See note. 



Trailbi Holmes arid Batt. — Boonah r. In eaves. 



menibraDifoba J. Ag. — £1, Boonah, /". 

 Gyninogongrus Griffithsiae Martins. — Old Head /•. In sand-pools. 



norvegicus J. Ag. — Old Head r. 

 Ahnfeltia plieata Fr. — f. 

 Actiuoeoccus subcutaneus Bosenv. — Mulrannyr. On PhyUophora Brodiaei. 



aggregatus Schm.— Old Head )-. On Gyninogongrus Griffithsiae. 



peltaefomiis Schm. — Old Head)'. On G. norvegicus. 

 C'olaeolepis incrustans Schm. — Old Headr. On PhyUophora rubens. 

 Sterrocolax decipiens Schm. — r. On Ahnfeltia plicate/. 

 Callophyllis laciniata Kutz.—f. Washed ashore. 

 C'alloeolax neglectus Schm. — ■/. On Gallophylius laciniata. 

 Callyinenia reniformis ■/. A<j. — CI /■. Washed ashore. 



Larterae Holmes. — CI r. Washed ashore. See note. 

 Cystocloniurn purpuraseens Kiitz. — c. 

 Catenella Opuntia Good, and TToo^. — CI /', CB, AS. c. 

 BbodophylUs bifida Kiitz. — CI/. Washed ashore. 



RHODYMENmAE. 

 Spbaeroeoecus coronopifolius Grev. — CI /. Washed ashore. 

 Gracilaria confervoides Grev. — CB, AS, c. See note. 

 var. procerrima Batt. — See note. 



