Clare Island Survey — Marine Algae. 15 r95 



Ectocarpus [Landsburgii Haw.] . — Roundstone (coll. Harvey)'. 



granulosus Ag. — /'. 

 [Sorocarpus uvaeformis Pringsh.~] — /. Roundstone {teste Johnson, 1809). 

 Pylaiella litoralis Kjellm. — ab. 



Isthmoplea sphaerophora Kjellm. — CI /. On Plumaria elegans;. 

 Myriotrichia olavaeformis Harv. — c. 

 filiformis Han:. — c, 



* densa Batt. — CB r. On Zostera. 



repens Hauck. — Old Head r. On Eudesme. 

 I Dichosporangium Chordariae Wollny. — CI r. Sep note. 

 Myriactis pulvinata Kiitz. — CI c. On Cystoseira ericokles and < '. cjranulata. 

 Areschougii Batt. — CI r. On Himantlialia. 



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



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

 Elachista fucieola Fries.- — ab. 



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



scutulata Duby. — CI c. On Himantlialia. 

 f Leptonema fasciculatum Bke. — CB r. On Zostera. 

 Giraudia sphacelarioides Herb. & Sol. — CB r. On Zostera. 

 Sphacelaria cirrhosa Ag. — c. See note. 



britannica Sauv. — r. See note. 



* plumula Zan. — CB, Roundstone. 

 Cladosteplms spongiosus Ag. — c. 



verticillatus Ag. — •/. 

 Halopteris filicina Kiitz. — CB r. 

 Stypocaulon seoparium Kiitz. — r. 

 Myrionema strangulans Grev. — c. 

 ;: Corunnae Sauv. — CI r. 



papillosum Sauv. — ■/. 

 :i; aecidioides Sauv. — CI r. 



* saxicola Kuck. — CI r. See note. 



i: reptans Fosl. — Old Head r. See note. 

 Ulonema rhizopborum Fosl. — CI c. See note. 

 Hecatonema maculans Sauv. — CI/. 



reptans Kylin. — CI, CB,/. See note, 

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

 :; Microspongium globosum Reinke. — CI/. See note. 

 :: Cbilionema Natbaliae Sauv. — CI r. 



* ocellatum Sain. — CI r. 



Ascocyclus orbicularis Magn. — CB c. On Zostera. 



t'oecundus comb. nov. — CI, Old Head,/. See note. 

 *• Saccharinae sp. nov.— CIr. See note. 



