15 94 Proceeding* of the Royal Irish Academy. 



FUCOIDEAE 

 Phokospobeae, 



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

 Desmarestia viridis Lam. — CI, CB, f. 



aculeate Linn. — c. 



ligulata Lam. — CI /'. 

 Dresnayi Lam.] — Koundstone (teste Johnson, 1899). 

 Ihctyosiphon foeniculaceus Orev. — CB, AS, BB, c. 



hippuroides Kiltz. — CI, CB, c. 

 Phoeostronia pustulatmn Ruck. — CI /•. See note. 

 Litosiphon pusillum Hare. — CI r : CB, AS, c. See note. 



Laininariae Hare. — CI/. On Alaria. 

 Phloeospora brachiata Born. — CI/. On Rkodymenia palmata. 

 Stictyosiphon tortilis Rke. — CB, BB, c. 



subarticulatus Hauck. — CB c. 

 1 adriaticus Kiltz. — 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. 



undnlata ./. Atj. — CB r, BB r. On Zostera. 

 *Phyllitis zosterifolia Rke. — CI r. 



Fascia Kiltz.— CI, CB, AS, /. 

 Scytosiphon lomentarius J. Ay. — c. 

 Asperococcus fistulosns Hook. — c. 



bullosus Lamour. — CB, CI, c. 



* Strebloneraa sphaericum Derb <& Sol. — CI r. In Nemalion multifidum. 

 Ectocarpus clandestinus Sauv. — CI/. On Fucus serratus, October, l'JIO. 



luteolus Sauv. — CI/. 

 ;: microspongium Batt. — 01 r. On Ralfsia verrucosa. 



tomentosoides Farl. — CI /•. On Himanthalia and Laminaria. 

 velutinus Kutz.—Qlf. On Himanthalia. 



* Battersii Born. — CB r. On Taonia atomaria. 

 simplex Cm. — CI c. On Codinm tomentosum. 



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

 globil'er Kiltz.— 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. 

 tomentosws Lynab. — c. 

 Hinckuii Haro.—Cl r. On Laminaria digatata. 



