4 vols. 12mo, pp. [xii], 306, [2, ads]; [viii], 260; [xii], 291, [1, ads]; [x], 281,  + 32 plates. Title-pages printed in red and black. Contemporary pale calf, spines divided by gilt bands, red morocco labels, spine numbered direct in gilt, other compartments with central botanical tools. Some soiling to a spread in volume 4. Spines creased and darkened, volume 2 worn at head, boards just a little rubbed and scratched.