80 pages. Combines excellent photographs, some in colour, of the most common prairie weeds with a brief and interesting description of each. Sixty-seven weeds are discussed including the following: old witch grass, barnyard grass, green foxtail, wild oats, couch grass, wild barley, dock, knotweed, wild buckwheat, tartary buckwheat, lambs quarters, saltbush, spear leaf goosefoot, Russian thistle, Russian pigweed, pigweed, prostrate pigweed, purslane, corn cockle, night-flowering catchfly, bladder campion, cow cockle, white cockle, stinkweed, and many many more. Concludes with 4 very useful plates which show the various seeds of the weeds discussed.