SEA-WEEDS OF THE LYCIAN COAST. 163 



Padina pavonia and Dictyota dichotoma are abun- 

 dant. Deeper, and usually on muddy ground, 

 to a depth of several fathoms, grow the vivid 

 green and elegant fronds of Caulerpa prolifera, 

 which, when enumerating the fishes, we have 

 shewn to have probably been the sea-plant called 

 Prasium by the ancients. The curious sponge- 

 like Codium bursa, the Sargassum salicifolium, 

 species of Cystoseira and Sporochnus, Haliseris 

 polypodioides and Dicty omenta volubilis, may be 

 taken along with the Caulerpa. The Dictyomenia, 

 conspicuous on account of its stiff corkscrew-like 

 purple fronds, has a great range in depth, since we 

 dredged it even in fifty fathoms of water, associ- 

 ated with Ritiphlcea tinctoria and Chrysimenia uva- 

 ria. Codium flabelliforme occurred at the entrance 

 of the gulph of Macri in thirty fathoms, asso- 

 ciated with that rare and curious vegetable net, the 

 Microdictyon umbilicatum. Below fifty fathoms 

 no flexible sea-weeds were observed. The coral- 

 like Millepora polymorplia took their places, and 

 ranged even as deep as one hundred fathoms. 

 Beyond that depth we found no traces of vegetable 

 life, unless some of the minute and microscopic 

 infusorial bodies there living be regarded as 

 plants. 



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