PHAEOPHYRA. Brown algae. 



*Aclnetospora pusilla (Griffiths) Bornet. Found only on the 

 exterior of the TEKTITE habitat bxit probably present on 

 other hard surfaces. A new record for the Virgin Islands. 



Ascocyclus hypneae Borgesen. Endophytic in Laurencia 



collected on algal plain in 23 m depth. Previously known 

 only from Borgesen 's original material obtained in Lime 

 Tree Bay, St. Croix, growing in Hypnea muscif ormis . 



Dictyopteris justii Lamouroux. Found once in 21 m depth on 

 the algal plain 30 m from the face of the reef, growing 

 on limestone. Reported by Taylor from shallow water to 

 40 m depth. Randall (1967) reported Kyphosus sectatrix 

 as a consiamer of this species , and Ho lo can thus tricolor 

 as a consumer of Dictyopteris sp. Other species of 

 Dictyopteris were found in the stomach contents of 

 Abudefduf saxatilis , A. taurus , Balistes vetula, 

 Cantherhines pullus , Kyphosus incisor , K. sectatrix , 

 Melichthys niger , Pomo can thus arcuatus , P^. paru and 

 Scarus coelestinus (Randall, 1967). 



Dictyota bartayresii Lamouroux. Typically found on dead coral 

 and at the base of living coral heads, but also present 

 throughout the algal plain in depths to 23 m. Recorded 

 by Taylor to 33 m depth. Randall (1967) recorded this 

 species in the stomach contents of Kyphosus sectatrix , 

 Pomo can thus arcuatus and P^. paru , and Dictyota sp. in 

 Acanthurus coeruleus , A. chirurgus , Blennius cristatus , 

 Catherhines pullus , Eupomocentrus f us cus , Lactophrys 

 trig onus , Pomo can thus arcuatus , Sparisoma radicans , and 

 S^. rubripinne . 



Dictyota dichotoma (Hudson) Lamouroux. Occasional among other 

 algae on the algal plain in 15 to 23 m depth. Reported by 

 Taylor (1960) from shallow water to 55 m depth. During 

 feeding trials, this species was eaten by Pomocanthus 

 arcuatus and Sparisoma aurof renatum. 



VI-185 



