48 



II AND F BOOK OF 



XLVIIIj Cruoria. From a Greek word signifying blood, 

 because the plant resembles a blood-stain on the rock. 

 1 Pellita, furry cruoria. 



Family IX.— Nemastom&e. 



litiDiEA Edulis. Contributed by Dr. Cocks, of Falmouth, 

 Cornwall. 



XLIX. Iridaa. Rainbow, because some species reflect 

 rainbow colours when growing under water. 

 1. Edulis, edible iridasa. 



L. Cataneila. A little chain, in allusion to the necklace- 

 forin of the frond. 



1. Ojnmtia, herb-like cataneila 



