Characteristic Vegetation of Rock-pools. 



- 



Fub., 1911. 

 Roouah Pt. 



April, 1911. 

 Clare Island. 



July, 1909. 

 Clare Island. 



Uct., 1910. 

 Clare Island. 



Memos troma Grevillei, 





X ab. 



— 



- 



Enteromorplia olathrnta, . 





X 



X 



Xa*. 



E. coniprossa, . 



X 



X 



X ab. 



x«*. 



Ulva Lactuca, . 



X?/- 



X 



X ab. 



X«*. 



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 adhacrens, 



- 



X 



X 



X 



C. tomentosum, 



X 



X/. 



X 



X 



C. mucronatum, 



X y. 



X 



X 



X 



Dictyosiphon foeniculaceus, 



— 



X 



X 



— 



Litosiphon pusillum, 



— 



— 



x 



X 



Phloeospora braehiatum, . 



— 



_ 



X 



— 



Scytosiphon lomontarius, . 



X 



X 



X 



X 



Eetocarpus confervoides, 



— 



X 



X 



X 



E. fasciculatus, 



— 



X 



X 



X 



E. granulosus, 



— 



X 



X 



- 



Pylaiella litoralis, 



X 



X 



X 



X 



Ismophloea sphaerophora, . 



— 



X 



— 



— 



Myriotrichia olaviformis, . 



— 



— 



X 



X 



Sphacelaria eirrhosa, 



X 



X 



X 



X 



Cladostephus verticillatus. . 



X 



X 



X 



X 



Chordaria nagelliioimis, 



— 



— 



X 



X 



Mesogloia verniiculata, 



— 



- 



X 



- 



Castagnea virescens, . 



— 



— 



X 



- 



Leathesia tuberiformis, 



— 



X .'/• 



X ab. 



X 



Dictyota dichotoma, . 



X >/■ 



X ab. 



X ab. 



- 



Porphyra leucosticta, 



— 



X 



- 



- 



P. umbilicalis, . 



X 



X 



X r. 



- 



Pterocladia capillacea, 



- 



X 



X r. 



- 



Gelidium pulchellum, 



— 



X 



X 



X 



G. latifolium, . 



— 



X 



X 



X 



Choudrus crispus, 



X 



X 



X 



X 



Gigartina mamillosus, 



X 



X 



X 



X 



Phyllophora rubens, 



X 



X 



X 



X 



