The two volumes described on this page are the third and fourth volumes of many which will deal with the flowering plants of Illinois, and follow publication in 1970 of Flowering Plants: Rush to Rushes and Flowering Plants: Lilies to Orchids by the same author. Volume 1 of Grasses includes such grass genera as Bromus, Festuca, Poa, Agrostis, Elymus, and Paspalum. In the two volumes...