THE MARINE ALG.K OF THE OBAN DISTRICT. 227 



(Carmichael). On drift thrown up by high tidea 

 opposite Connel. 



Series U.—CIILOROPHVCEjE. 



Cohort I.— C ONFERVINiE. 



Order II— Ulvace^. 



Monostroma Grevillei, J. Ag., {Ulva lactuca et 

 Enteromorpha cornucopice, Phyc. Brit.). — Fairly 

 common in Loch Etive and at Lismore. " On 

 Corallina, Appin" (Carmichael). 



Enteroinorpha clathrata, J. Ag. — In Ardchattan 

 Bay and elsewhere in Loch Etive. 



B. percursa, C. Ag, var. ramosa, T. Ag — "At half 

 tide, Appin" (Carmichael). 



E. liinkiana, Grev. — " Between tides, Appin " 

 (Carmichael). 



B. com.pressa, Grev. — Exceedingly common in 

 Loch Etive, on Lismore, in the Sound of Kerrara, 

 and elsewhere in the district. 



E. intestinalis, Link — At various places on the 

 shores of Loch Etive. I have not attempted to 

 name the varieties of this variable plant. 



B. Linza, J. Ag., var. lanceolata {Ulva Lmza, 

 Phyc. Brit.). — Several fine specimens of this variety 

 were obtained from Loch Etive opposite the Black 

 Crofts. 



Ulva latissima, J. Ag.— Abundant but small, 

 passim. 



Order IV. — Ch^tophorace^. 



Bntoderma Wittrockii, Wittr.— On Pylaiella at 

 various places in the district. 



Epicladia fLustrae, Rke. — On Flustra, and several 

 species of Zoophytes in Loch Etive. 



Order V. — Cladophorace-s:. 



Urospora penicilliformis, Aresch. {Conferva 

 Voungana, Phyc. Brit.). — liare, in rock-pools near the 

 Falls of Lora. 



U. bangioides, Holm, et Batt— Common in the 

 district. I had an opportunity of re-examining thia 



