F. Børgesen: Rhodophyceæ of the Danish W. Indies. 



197 



In another specimen growing upon Corals some few concep- 

 tacles were also found. These were about 240 /^ broad and 340// 

 long, and had very long horns. 



As mentioned above this plant occurs both upon stones etc. 

 and epiphytically upon larger algæ. It is found both in sheltered 



Fig. 187. Jania adhaerens Lamx. Specimen with tetrasporic conceptacles. 



(About 20:1). 



localities and in more exposed ones, and in shallow as well as in 

 deeper water (about 10 fathoms or more). 



It is a very common species along the shores of the islands. 

 Geogr. Distrib. : Red Sea, Indian Ocean, Japan. 



3. Jania decussato-dichotoma Yendo. 



Yendo, K., a revised list of Corallinæ in Journal of the College of 

 Science, Tokyo 1905, vol. XX, p. 37. 



Corallina decussato-dichotoma Yendo, Corallinæ veræ Japonicæ in Journ. 

 of the College of Science. Tokyo 1902. vol. XVI, p. 25, pi. Ill, figs. 1—3; 

 pi. VI I, fig. 34. 



Intermingled with other Corallinaceæ, e. g. Amphiroa fragi- 

 lissima and Corallina cubensis I have found a few specimens of 



