Show many useful marine plants ohp useful marine plants are stated by bv a french report to be alecs algae brown algae and LamI narla va rees or supply wrappers papers anti cellulose and iodine Is chiefly extracted from the algae european I 1 countries france great britain and norway collect about tons tolls of green weed annually an amount that could lie be increased front from the new discoveries continually being made the tons of weed yield about tons of iodine tons of potassium salts tons of crude sea salt and tons of lye but suggestions gest ions have been made for increasing increases the amount of iodine and potash extracted |