H> o s t e I s t a 13 



or used as a washing compound. The 

 solution is supposed to have a cleansing 

 value, but what it may be is not yet very 

 clear. C. ocellatus has been employed 

 by one of the assistants in the Tokyo 

 medical college as a material from which 

 to manufacture agar-agar, upon which 

 pure cultures of amoeba have been de- 

 veloped. C. elatus is a food plant of 

 the peasantry in northern Japan. 



Gigartina teedii (Catanori). This 

 and some other species of the genus are 

 occasionally cooked, but their use is 

 not general. 



Gymnogongrus flabelliformis (Okitsu- 

 nori). This plant, with its varieties, is 

 used as a table garnishment and for 

 sauces. It is first dipped in hot water 

 to dissolve the phyco-erythrin and used 

 after it has turned green. 



Sarcodia sp, (Tosaka). This beau- 

 tiful red plant, the species of which has 



