p o 5 1 e I s i a 189 



a few other species of the same genus 

 showing the largest individuals. The 

 flora is not poor in small and beautiful 

 varieties, many of them being peculiar 

 types. Amphiroa rigid a, previously 

 known from the Gulf of Naples only, 

 has been collected in the southern part 

 of Kiushu island by myself. 



(d) Japan Sea side. i. From Iki 

 island to Ojika peninsula. 



This region is washed by the minor 

 branch of the warm current, and the 

 flora is much influenced by it. The 

 whole facies is of rather special char- 

 acter. Several species of Sargassum, 

 Codium mucronatum, Padina pavonia 

 and Caulerpa okamurai are also found 

 here, as well as on the corresponding 

 part of the Pacific coast. In general, 

 this portion of the coast is for the most 

 part sandy beach, and consequently 

 poor in algae. Such subtropical plants 



