Show worlds iodine supply gathered from the sea the commercial cupi ly of iodine Is 1 almost entirely obtained rom sea weeds in some of the latter par ticul arly the g ant belp kelp known to set ence as meaning big bulb the concentration of iodine Is extra orl 1 nary that marine plant enormous in size anchored to the sea bottom by a stem hundreds of feet long with a vast floating frond of leaves contains over one fourth of I 1 per cent of iodine those giant seaweeds are latal car alers of iodine for human uses bedl bledl cinal extracts made from them ars are already standardized and have proved most valuable but the kelps vastly abundant should yield valuable food products they contain all the worth while minerals that the ocean holds in solution and may be re carded as marine vegetables neglected ignorance |