TY  - BOOK
AU  - Hutchinson, J
TI  - The families of flowering plants Vol.1: Dicotyledons 
U1  - 582 
PY  - 1959///
CY  - Oxford
PB  - At The Clarendon Press
KW  - Botanty
KW  - Classification of monocotyledons
KW  - Separate calyx and corolla
KW  - Phylogenetic diagram
ER  -