MANUAL OF GRASSES OF THE UNITED STATES

Reprint of second, revised edition by Agnes Chase, 1051 pages, 1199 figures. Compiled from U.S. National Herbarium collection. Only complete manual of U.S. grasses catalogs all 169 numbered genera and 1398 indigenous species, morphology, seasons, ranges. Drawings, distribution maps and keys are aids to species identification. Two volumes. Paperback; 6-1/8 x 9-1/4″.