MARINE ALGiE. 



65 



LIX. Gkateloupia. 



Frond pinnated, flat, narrow, cartilaginous, of very 

 dense structure. Favellidia immersed in the branches, 

 Tetraspores scattered. 



1. Grateloupia filicina. 



LX. Gelidium. 



Frond linear, compressed, horny, of a very dense 

 structure. Fructification : — 1. Favellidia immersed in 

 swollen ramuli ; 2. Tetraspores immersed in the ramuli. 



1. Gelidium corneum. 



/3. „ sesquipedale. 



7. pinnaturu. 



£ „ uniforme. 



£. ,, capillaceum. 



,, latifolium. 



n. „ confertum. 



0. ,, aculeatum. 



1. ,, abnorme. 

 k. „ pulchellum. 

 K ,, claviferum. 

 p. „ clavatum. 



v. „ crinale. 



2. ,, cartilagineum. 



/ 



