Characteristic Vegetation of Eock-pools. 



" , - 



Feb., 1911. 

 Roonali Pt. 



April, 1911. 

 Clare Island. 



July, 1909. 

 Clare Island. 



Oct., 1910. 

 Clare Island. 



Moiiustronia "Grevillei, 



— 



X ah. 



— 



— 



Enteromorpha clathrnta, 



- 



X 



X 



XaS. 



E. com pressa, . 



X 



X 



X ab. 



. X "b. 



Ulva Lactuca, . 



Xy. 



X 



X ab. 



X.ab. 



Rhizoclonium implexum, . 



- 



X 



X 



- 



Cladophora pellucida. 



- 



X 



- 



- 



C. rupestris, 



X 



X 



X 



X 



C. sericea, 



X y. 



X 



X 



X 



C. glaucescens, . 



— 



X 



— 



— 



C. albida, 



— 



X 



— 



— 



C. lanosa, .... 



- 



X 



— 



- 



Codium adhaerens, 



— 



X 



X 



X 



C. tomentosum, 



X 



Xf. 



X 



X 



C. mucronatum, 



X y. 



X 



X 



X 



Dictyosiphon foenieulaceus, 



— 



X 



X 



— 



Litosiphon pusillum, 



— 



_ 



X 



X 



Phloeospora braebiatum, . 



— 



_ 



X 



— 



Scytosiphon lomentarius, . 



X 



X 



X 



X 



Ectocarpus confervoides, . 



_ 



X 



X 



X 



E. fasciculatus, 



— 



X 



X 



X 



E. granulosus, 



— 



X 



X 



— 



Pylaiella Htoralis, 



X 



X 



X 



X 



Ismophloea sphaerophora, . 



— 



X 



_ 



— 



Myriotrichia claviforniis, . 



— 



_ 



X 



X 



Sphacelaria eirrhosa, 



X 



X 



X 



X 



Cladosteplms rerticillatits. . 



X 



X 



X 



X 



Chordaria flagelliformis, 



— 



— 



X 



X 



Mesogloia verinieulata, 



— 



_ 



X 



— 



Castagnea virescens, . 



— 



— 



X 



— 



Leiithesia tubeiiformis, 



— 



X >/. 



X nb. 



X 



Dictyota dichotoma, . 



x y. 



X «b. 



X "b. 



- 



Porphyra leucosticta, 



— 



X 



— 



— 



P. urubilicalis, . 



X 



X 



x >■■ 



— 



Pterocladia eapillaeea, 



— 



X 



X >'• 



— 



Gelidiuui pulcliellum, 



— 



X 



X 



X 



G. latifoliurn, . 



— 



X 



X 



X 



Chondrus crispus, 



X 



X 



X 



X 



Gigartina mamillosus, 



X 



X 



X 



X 



Phyllophora rubens, 



X 



X 



X 



X 



