NO. 10 



DAWSON : MARINE ALGAE, GULF OF CALIFORNIA 



357 



The Principal Algae Found at Turner's Island in 

 January, 1940 



Amphiroa pusilla 

 Amphiroa rigida 

 Botryocladia pseudodichotoma 



var. datilensis 

 Ceramium caudatum 

 Ceramium gracillimum 

 Ceramium sinicola 

 Chondria californica 

 Codium anastomosans 

 Codium simulans 

 Colpomenia sinuosa f. 



tuberculata 

 Cladophora tiburonensis 

 Cutleria Hancockii 

 Dictyota Johnstonii 

 Ectocarpus Hancockii 

 Erythrotrichia carnea 

 Eucheuma uncinatum 

 Gelidium Johnstonii 

 Gelidium pusillum 

 Gigartina Johnstonii 



Gigartina Eatoniana 

 Gymnogongrus sinicola 

 Gymnogongrus divaricatus 

 Herposiphonia tenella 

 Hypnea Esperi 

 Hypnea Johnstonii 

 Jania rubens 

 Laurencia papillosa van 



pacifica (young) 

 Laurencia Johnstonii 



(young) 

 Lophosiphonia villum 

 Lomentaria catenata 

 Padina Durvillaei 

 Polysiphonia Snyderae 

 Polysiphonia simplex 

 Ralfsia californica 

 Sargassum sinicola 

 Ulva rigida 

 Valoniopsis pachynema 



The Principal Algae Found at Turner's Island in 

 July, 1940 



Amphiroa pusilla 

 Amphiroa zonata 

 Bryopsis plumosa 



var. pennata 

 Ceramium Camouii 

 Ceramium fimbriatum 

 Chaetomorpha antennina 

 Champia parvula 

 Chondria acrorhizophora 

 Cladophora graminea 

 Corallina pilulifera 

 Dictyota hesperia 

 Dictyota Johnstonii 

 Digenia simplex 

 Ectocarpus confervoides 



f. variabilis 

 Erythrocladia irregularis 

 Gelidium Johnstonii 

 Gelidium microphysa 

 Goniotrichum elegans 

 Gracilaria crispata 

 Herposiphonia tenella 



Hildenbrandtia rosea 

 Hypnea pannosa 

 Hypnea nidulans 

 Jania rubens 

 Laurencia Johnstonii 

 Laurencia papillosa 



var. pacifica 

 Lophosiphonia villum 

 Padina Durvillaei 

 Padina mexicana 

 Polysiphonia simplex 

 Polysiphonia Snyderae 

 Prionitis kinoensis 

 Prionitis Sternbergii 

 Ralfsia pacifica 

 Rhodochorton sinicola 

 Rhodochorton microscopicum 

 Sargassum lapazeanum (young) 

 Sargassum sinicola (young) 

 Sphacelaria Hancockii 

 Valoniopsis pachynema 



