00724cam a22002771 4500 8310182 20150226162908.0 000 000 000 38038267 (OCoLC)1087199 UOEL MNS DLC QK641 .H39 1938 581.6 Hayward, Herman Eliot, 1892- The structure of economic plants / Herman E. Hayward. New York : Macmillan, c1938. x, 674 p. : illus. 24cm. Includes bibliographies. Botany, Economic. Plant anatomy. Plant morphology. 7 cbc oclcrpl u ncip 19 y-gencatlg lcc LL 2461 2461 0 0 lcc 0 0 UOE UOE GEN 2015-02-26 0 QK641 .H39 1938 20137848 2026-04-27 11:41:42 20137848 2015-02-26 LL