This reference work provides by means of original drawings and concise text the
key to identifying under the microscope, from dust, scraps, dry fragments and
similar material, plants that are commonly used as drugs or as flavourings or
additions to food. Based on their very successful, but long-out-of-print
handbook, "Powdered Vegetable Drugs", (Churchill 1968), which this new atlas now
supersedes, Drs Jackson and Snowden cover over 130 common plants, and a few more
unusual ones. The detailed drawings and the tabular text placed on facing pages
for ease of reference have been designed to aid speedy, precise and positive
identification of plants from dry matter in the