15 98 Proceedings of the Hoi/hI Irish Academy. 



Chantransia endozoica Barb. — CB r. See note. 



Alariae Jons. — CI r. See note. 

 [Daviesii Thwr.~] — Roundstone. 

 Nemalion elminthoides Batt. — CI /. See note. 



multifidum J. Ag. — CI c. 

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

 Scinaia furcellata Bivona. — CB r. See note. 



Choreocolax Polysiphoniae Beinsch. — Old Headr. On Poly siphonia fastigiata. 

 *Harveyella mirabilis Sehm. et Bke. — CI, CB,/. On Bhodomela subfusca. 

 Pterocladia capillacea Born.— CI r. 

 Gelidium crinale J". Ag. — Old Head r. In sand-pools. 



pusillum Le Jol. — CI, CB, /. 



pulchellurn Kiitz. — CI /. 



latifolium Born. — CI r. 



aouleatum Batt. — /. See note. 



corneum Lamour. — /'. 



GlGARTINAE. 



Chondrus crispus Stackh. — c. 



Gigartina mamillosa J. Ag. — c. 



Phyllophora rubens Grev. — CI Z ; Roonali, Old Head, c. 



Brodiaei J. Ag. — Mulranny ;-. See note. 



Traillii Holmes and Batt. — Roonah r. In caves. 



membranifolia /. Ag. — CI, Roonah, f. 

 Gymnogongrus Griffithsiae Martins. — Old Head r. In sand-pools. 



norvegicus J. Ag. — Old Head r. 

 Ahnfeltia plieata Fr. — /. 

 Actinocoecus subcutaneus Bosenv. — Mulranny r. On Phyllophora Brodiaei. 



aggregatus Schm. — Old Headr. On Gymnogongrus Griffithsiae. 



peltaeformis Schm. — Old Headr. On G. norvegicus. 

 Colacolepis incrustans Schm. — Old Headr. On Phyllophora rubens. 

 Sterrocolax deeipiens Schm. — r. On Ahnfeltia plieata. 

 Callophyllis laciniata Kiitz. — ;/'. Washed ashore. 

 Callocolax neglectus Schm. — ■/. On Gallophyllus laciniata. 

 Callymenia renifornais J. Ag. — CI r. Washed ashore. 



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

 Cystoclonium purpurascens Kiitz.— c. 

 Catenella Opuntia Good, and Wood. — CI r, CB, AS, c. 

 Rhodophyllis bifida Kiitz. — CI/. Washed ashore. 



Rhodymeninae. 

 Sphaeroeoceus coronopifolius Grev. — CI/. Washed ashore. 

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

 * var. procerrima Batt. — See note. 



