488 PROF. DICKIE ON AZGM 



(5) Specimens got at low tide, St. Vincent, Cape-Verd Islands. 



ChORDARIACEJ3. 



Ralfsia expansa, J. Ag. 



Geog. distr. Gulf of Mexico and Indian Ocean. 



Rhodomelacejs. 



POLYSIPHON1A GORGONIJS, Harv.l 



The few specimens are barren and rather imperfect ; they are 

 therefore referred with some doubt to the species described by the 

 late Professor Harvey, from Key West, Florida. 



IiATTRENCIACEiE. 



Laurencia papillosa, Forsk., var. thyrsoides. 

 L. obtusa, Hudson. 



A small and slender form. 



Wras geliace^e . 



Wrangelia plebeia, J. Ag. 



Previously found at Vera Cruz, Gulf of Mexico. 



Coballinace^j. 



LlTHOTHAMNION MAMILLARE, HarV. 



Geog. distr. Bahia; Terra del Fuego; Algoa Bay. 



Jania tenella, Ktz. 



Geog. distr. Gulf of Naples; Gulf of Mexico. 



■ 



Gtelidiace^;. 



Hypnea cervicornis, J. Ag. 



Geog. distr. Shores of Brazil ; Indian Ocean ; Gulf of Mexico. 



A very dwarf form . 



(6) Alga collected in shallow water at Bermuda, 



Sargassum affine, J. Ag. 



Amphiroa fragilissima, L. 



Halimeda incrassata, Lamx., var. monilis. 

 H. tuna, Zamx. 



Udotea flabellata, Lamx. 



CoDIUM DIFFORME, Ktz. 



Bryopsis plumosa, Ag. 



Chlorodesmis vaucheri^eformts, Bailey. 



