124 



what older more developed leaf. In the fully developed leaf the 

 outermost apices of the ramuli are 2 — 4-divided (Fig. 98 c). 

 Finally, Fig. 98 d shows the ends of a pair of rhizomes. 



0RSTED was the first who found this species in St. Croix and 

 his specimens have at any rate partly served J. Agardh as material 



Fig. 98. Caulerpa verticillata J. Ag. Compare text. (About 50:1). 



for his description of it. It is very common on the shores of tlio 

 Danish West Indies in sheltered localities in lagoons with man- 

 groves; f. charoides I have only found in Krause's Lagoon on the 

 south coast of St. Croix, where it grows abundantly on the roots 

 of the Rhizophora on the outside of tlio mangrove forest in the 



