TY  - BOOK
AU  - Hayward,Herman Eliot
TI  - The structure of economic plants
AV  - QK641 .H39 1938
U1  - 581.6 
PY  - 1938///
CY  - New York
PB  - Macmillan
KW  - Botany, Economic
KW  - Plant anatomy
KW  - Plant morphology
N1  - Includes bibliographies
ER  -