129 



long and thus on the whole rather like the common European 

 form; in its more leathery consistency it was however somewhat 

 different. This form was found at White Bay on the south side of 

 St. Croix in about half a meter of water on a rather exposed coast. 



Caulerpa prolifera is rather common on the shores of Danish West India. 

 Forma zosterifolia is found in several places at St. Croix, e. g. in the sea- 

 grass-formation west of Krause's Lagoon and in Limetree Bay to the east 



n 



-r 



^/ fH 



i 



Fig. 101. Caulerpa prolifera (Forsk.) Lam. f. zosterifolia n. f. 

 From Krause's LagOon, St. Croix. (About 1:1). 



of this lagoon on the south coast of the island; further, on the north side 

 on the shores of Green Cay Estate where the leaf nevertheless was a little 

 broader. Forma obovata is found in shallow water in several localities near 

 Sandy Point on the south coast of St. Croix, in deeper water it is found 

 in great quantities in the sea to the west of Water Island at St. Thomas 

 in about 20 — 30 meters of water, and at St. Jan in the sound between St. 

 Thomas and St. Jan and in the sea to the north of America Hill and west 

 of Tortola. 



Geogr. Distrib. The West Indies, Florida, Bermudas, Canary Is- 

 lands, Cadiz, Tangiers, Mediterranean. 



9 



