TY - BOOK AU - Li,Hui-Lin TI - The origin and cultivation of shade and ornamental trees U1 - 635.977 PY - 1963///] CY - Philadelphia PB - University of Pennsylvania Press KW - Shade trees KW - Flowering trees N1 - 1. The cultivation of trees by mankind 2. The weeping willow and lombardy poplar 3. The plane trees 4. The ginkgo 5. The horse chestnuts 6. The lindens 7. The maples 8. The black locust and honey locust 9. The metasequoia 10. Conifers 11. Ornamental flowering trees 12. Other important genera of shade trees 13. Cultivated shade trees originated in europe and western to central asia ER -