102 



is cyathiform but often it is split or unilaterally developed and 

 specimens occur with quite flat flabellum. 



It is only found in deep water down to a depth of about 40 

 meters and grows upon sandy bottom. 





'% 



\^ 



Fig. 83. Udotea cyathiformis Decsne. Habit of plant. 

 (About 1:1). 



St. Croix: White Bay; St. Thomas: In the sea to the west of Water- 

 Island, also found at this island by the »Challenger« Expedition; St. Jan: 

 Off Cruz Bay, off America Hill, 



Geogr. Distrib. West Indies. 



3. Udotea spinulosa Howe. 



M. A. Howe, Phycological Studies, IV (Bull. Torr. Bot. Club, vol. 36, 

 1909, p. 97, pi. 4, fig. 2, pi. 8, figs. 1—7). A. & E. S. Gepp, The Codiacea? of 

 the Siboga Expedition, Monographie LXII, 1911, p. 124, figs. 12, 55. 



