Clare Island Survey — Marine Algae. 15 95 



Ectocarpus [Landsburgii Harv.] . — Eoundstone (coll. Harvey). 



granulosus Ag. — /'. 

 [Sorocarpus uvaeforniis Pringsh.~\—f. Eoundstone (teste Johnson, 1809). 

 Pylaiella litoralis Kjellm, — a b. 



Isthmoplea spbaeropbora Kjellm. — CI/. On Plumaria elcgans. 

 Myriotrichia clavaeformis Harv. — c. 

 filiformis Harv. — c. 

 * deusa Batt.—CB r. On Zostera, 



repens Hauck. — Old Head r. On Eudesme. 

 IDicbosporangiuni Cbordariae WoUny. — CI r. See note. 

 Myriactis pulvinata Ki'dz. — CI c. On Cystoseira ericoides and ('. gramdata. 

 Areschougii Batt. — CI r. On Himantlialia, 

 stellata Batt. — CI/. On Dictyota in pools. 

 Haydeni Batt. — CI r. On Scytosiphon in pools. 

 Elachista fucicola Fries. — ab. 



flaccida Aresch. — CI, Old Head, c. On Cystoseira gramdata and Halidrys. 

 scutulata Duby. — CI c. On Himantlialia. 

 *Leptonenia fasciculatum Bke. — CB r. On Zostera. 

 Giraudia spliacelarioides Derb. & Sol. — CB r. On Zostera. 

 Sphacelaria cirrhosa Ag. — c. See note, 

 britannica Sauv. — r. See note, 

 plumula Zan. — CB, Eoundstone. 

 Cladosteplius spongiosus Ag. — c. 



verticillatus Ag. — /. 

 Halopteris filicina Kiitz. — CBr. 

 Stypocaulon scopariurn Kiitz. — r. 

 Myrionema strangulans Ghrev. — c. 

 Corunnae Sauc.—CIr. 

 papillosum Sauv. — ■/. 

 aecidioides Sauv. — CI r. 

 saxicola Kuck. — CI r. See note. 

 * reptans Fosl. — Old Head r. See note. 

 Clonema rhizopborum Fosl. — CIc. See note. 

 Hecatonema maculans Sauv. — CI/. 



reptans Kylin. — CI, CB,/. See note, 

 speciosum comb. nov. — CI/. See note. 

 : \Microspongiurn globosum Reinke. — CI/. See note. 

 5;; Cbilionema Natbaliae Sauv. — CI r. 

 ocellatum Sauv. — CI r. 

 Ascoeyclus orbicularis Magn. — CB c. On Zostera. 

 foecundus comb. nov. —GI, Old Head,/. See note. 

 4 ' Saccharinae sp. nov.— CI r. See note. 



