140 THREE CRUISES OF THE "BLAKE." 



446), of a light pink, fading into white in the younger branch- 



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Fig. 446. — Stylaster filogranus. ^. (Pourtales.) 



lets. The color is diffused through the entire thickness of the 

 corallnm. Another common Stylaster is Distichopora foliacea- 







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Fig. 447. — Distichopora foliacea. \. (Pourtales.) 



(Fig. 447), characterized by its small calycles, not placed in a 

 furrow, irregular lateral pores, and serrated edge. 



