15 94 Proceedings of the Royal Irish Academy. 



FUCOIDEAE. 

 Phobospokeae. 



Phoeocoecus adnatus West, comb. nor. — CB, AS, c. See note. 

 Desinarestia viridis Lam. — CI, CB, f. 



aculeata Lam. — c. 



ligulata Lam. — CI r. 



[Dresnayi Lam.] — Roundstone (teste Johnson, 1899). 

 Dictyosiphon foeniculaceus Grev. — CB, AS, BB, c. 



hippuroides Kiitz. — CI, CB, c. 

 Phoeostroma pustulatuui Kuck. — CI /". See note. 

 Litosiphon pusillum Harv. — CI r ; CB, AS, c. See note. 



Laminariae Harv.— CI f. On Alaria. 

 Phloeospora bracliiata Bom. — CI/. On Rhodymcuia palmata. 

 Stictyosiphon tortilis Rke. — CB, BB, c. 



subarticulatus Hanck. — CB c. 



I adriaticus Kiitz. — Bartraw /■. See note. 



Striaria attenuata Grev. — CB c, AS r. In shallow sub-littoral region. 

 Punctavia plantaginea Grev.— -CB r. 



latifolia Grev.— CI, CB,/. 



tenuissima Grev. — CB /. On Zostera. 



undulata /. Ag. — CB r, BB /■. On Zostera. 

 *Phyllitis zosterifolia Rke. — CI r. 



Fascia Kilts.— CI, CB, AS, /. 

 Scytosiphon lomentarius /. Ag. — c. 

 Asperococcus fistulosus Hook. — c. 



bullosus Lamour. — CB, CI, c. 

 ^Skeblonema sphaerieum Derb & Sol. — CI r. In Nemalion multifidum. 



II Ectocarpus clandestinus Sane. — CI/. On Fuctis serratus, October, 1910. 



luteolus Sauv. — CI/. 



* rnicrospongium Batt. — CI r. On Ralfsia verrucosa. 

 tomentosoides Farl. — CI r. On Himauthalia and Laminaria. 

 velutinus Kntz. — CI/. On Himanthalia. 



Battersii Bom. — CB r. On Taonia atomaria. 

 simplex Cm. — CI c. On Codium tomentosum. 



* Holmesii Batt. — CI, AS, r. In caves and on dark ledges, 

 globifer Kiitz.— CI r. On exposed ledges. 



Mitchellae Harv. (= E. virescens Thur.) — CI r. 

 confervoides Le Jol. — c. 



var. arctus Kjellm. — CB/. 

 siliculosus Kiitz. — c. 



fasciculatus Harv. — CI c-. On Laminaria and Himanthalia. 

 tomentosus Lyngb. — c. 

 Hincksii Hare. — CI r. On Laminaria digatata. 



