8. Mention one whose outer bud-scales are covered by fine hairs. Can you find a tree that has naked buds?
9. From a Sassafras-tree or from a Tulip-tree collect and preserve leaves of as many shapes as possible.
10. Name five trees in this country which produce edible nuts.
REFERENCES:
A. FLOWERS AND FERNS
"New Manual of Botany," Asa Gray, American Book Co.
"Illustrated Flora of the Northern States and Canada," (three volumes), N. L. Britton, Brown and Addison, Scribner.
"Flower Guide," Chester A. Reed, Doubleday Page.
"Flora of the Southeastern States," John K. Small, published by the author, New York Botanical Garden.
"Flora of the Rocky Mountain Region," P. A. Rydberg, published by the author, New York Botanical Garden.