Cotton Grass Small 186×320 Medium 371×640 Large 594×1024 Download TIFF Original 1393×2400 | (699.9 KB) Description Cotton grass, a member of the sedge family. Keywords cotton, grass, sedge Galleries Flowers and Shrubs: G Source: Amadeus W. Grabau A Textbook of Geology (Boston: D.C. Heath & Co., 1920) 335