15 92 



Proceeding* oj the Royal Irish Academy. 



CHLOROPHYCEAE. 

 PROTOCXX CINAB. 



Chlorochytrium inclusum Kjellm. — c. In Dilsea edulis. 

 'Halosphaera viridis Sckm.] . — f. See note. 

 •Codiolum gregarium A. Br.—Gl /. Old Head /•. On rocks near high-water line. 

 :1: Petrocvlidis Kuck. — CI, Old Bead/. In Pctmceli.s cruenta and Cruoriapellita. 



CONFERVOIDEAE. 



Prasiola stipitata Suhr. — CI, CB, The Bills, /. On bird clitfs oh. on bare rocks/. 



crispa var. marina Bbrg. (=Gayella). — CI /, Caher I., The Bills. 

 Protoderma marinum Rke. — CB, AS, BB, f. On pebbles, near low-watermark. 

 TTvella fucicola Roscnv. — Old Head r. On F. vesieulosus, probably frequent. 

 ' Monostroma orbiculatum Thur. — CB /'. See note. 



sp. No. 95 [M. crepidinum Farlow?). — Old Head. Mulrauny, /. See note. 

 sp. No. 91.— AS. BB, /. See note. 



Grevillei Wittr. — CI, AS, c. Epiphytic near low-water mark. 

 var. Comucopiae Batt. — CI, AS, r. On Corallina. 

 * ;: Capsosiphon aureolus Gobi. — Old Head, Mnlranny, /. 

 Percursaria percursa Rosenv.—c 

 Enteromorpha clathrata J. Ay. — c. 



paradoxa Kiitz. — CB r, Roundstone (coll. McCalla). See note. 

 * torta Reinb. — CB /'. 



prolifera /. Ag. — CB r. Attached to stones on flat sandy shores, 

 compressa Grev. — ab. 

 Linza J. Ag. — c. 

 intestinalis, Link. — ab. 



micrococca Kiitz. — CI r. On i-ocks near high-water line, 

 minima Niig. — CI c. On rocks near high-water line. 

 Ulva Lactuca L. — ab. See note. 

 Ulothrix tlacca Tliur. — CB /. See note. 

 '* consociata Wille. — Roonah f. See note. 

 f pseudoflacca Willc. — CI, Old Head, Roonah, f. See note, 

 f subflaccida Wille. — CB, AS, r. See note. 

 ■Phoeophila dendroides Batt. — BB r. In old Cliylocladiu kaliformis. 

 Bulbocoleon piliferum Pringsh. — CI r. In old Chovdariaflagelliformis. 

 Blastophysa rhizopus Rke. — AS?". In old Ralfsia sj). on Achill Bridge. 

 Endoderma viride Lagerh.— CI, CB,/. In Nitophyllum and Delesseria spp. 

 Wittrockii Wille. — /'. In Pylaiella litoralis. 

 Flustrae Batt. — ;\ In Flustra sp. 

 Tellaniia contorta Batt. — CI, Roonah, /. In Littorina. 



intricata Batt. — Roonah r. In Littorina. 

 Urospora mirabilis Aresch. — ( I /. See note. 



