Show CATTAILS HAVE FOOD VALUE Investigation Has Shown Them to Contain Contain Con Con- tain a Satisfactory Amount mount Amount of Needed Protein Flour from the cattails of the swamps has I been leen een found by the plant chemical laboratory at Washington to contain about the same amount of protein protein protein pro pro- tein as rice and corn flours with somewhat somewhat somewhat some some- what less fat than wheat flour flour and It was regarded as a promising substitute substitute substitute tute with wheat flour to the extent of 10 to 20 per cent In the investigation of which he has given glyen an account Inthe in inthe inthe the Scientific Monthly Prof P. P W. W Claassen tried the flour In several ways both as part substitute with iv wheat heat flour In to baking and as cornstarch cornstarch corn- corn starch tarch substitute for puddings Biscuits Biscuits Biscuits Bis Bis- containing 50 and ana even eyen per percent percent percent cent of this flour proved to be palatable paInt paInt- palatable able oble not very different from those of wheat flour alone while the puddings had an agreeable flavor and were satisfactory sat sat- The flour material is obtained obtained ob ob- tamed from the large underground ground or rhizomes of which It It I forms a starch core three three eighths eighths to one-half one inch In diameter The dried rhizomes from an acre of cattails were w ei e shown to equal 2 pounds and the tore lore substance passed through a meat grinder and sifted yielded fine flour at the rate late of pounds per acre Many thousand acres of cattail marshes are Included In the square miles of swamp land of the United States |