books.google.co.uk - Sedges: Carex is the fourteenth volume of the Illustrated Flora of Illinois series and the sixth and last volume devoted to monocots, or plants that have a single seed-leaf, or cotyledon, upon germination. For each of the 159 species of Carex in Illinois, there is a full illustration showing the habit...http://books.google.co.uk/books/about/Sedges.html?id=1ZGekaNQ4YAC&utm_source=gb-gplus-shareSedges
