204 Proceedings of the Royal Irish Academy. 



V. — BHODOFEnrcEAE — continued. 

 Nitophyllum 



laceratum Grev. - N. ramosam Batt. 

 ocellatum Grev. = N. punctatum Grev. 

 ulvoideum Hook. = N. Hilliae Grev. 



Peyssonnelia 



Dubyi Cm. = Cruoriella Dubyi Schm. 

 Phycodrys 



nibens Batt. = Delesseria rubens {Htids.}. 

 Phyllopbora 



rubens Good. & Woodw. = P. epiphylla Batt. 

 Phyllotylus 



Brodiaei M'Calla = Phyllopbora Brodiaei J. Ag. 



membranifolius Good, d Woodw. = Phyllopbora membranifolia J.Ag. 



Polysipbonia 



aflBnis Moore. = P. nigrescens Grev. 



atropurpurea Moore. = P. nigrescens Grev. 



atrorabescens IHllw. = P. nigra Batt. 



byssoides Grev. = Brongniartella byssoides Bory. 



cristata Ilarv. = Pterosipbonia complanata Schm, 



formosa Suhr. = P. orceolata Grev. 



L}-ngbyei Harv. = P. elongata Harv. 



parasitica Huds. = Pterosipbonia parasitica Schm. 



patens Grn'. = P. urceolata Grev. 



pulvinata Roth. - P. macrocarpa Harv. 



stricta Grev. = P. arceolata Grev, 



thayoides Harv. = Pterosipbonia thuyoides Schm. 



PorpbjTa 



ciliaris Cm. = Erylhrotricbia Boryana Berth. 

 vulgaris Ag. = P. umbilicalis Kiitz. 



PtiloU 



elegans Bonnem. = Plnmaria elegans Schm. 

 sericea Wonr. = Plumaha elegans Schm. 



Khododermis 



Drummondii Harv. = Hildenbrandtia prototypus Nardo. 

 Rhodomela 



pinastroides Ag. = Halopitbys incurvus Batt. 



scorpioides Ag. = Bostrycbia scorpioides Mont. 



Bbodomenia = Kbodymenia. 



