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Fig.380. Acer platanoldes L., Norway Maple.
Sugar-making from maple sap was once a highly important early spring industry but is losing its importance. Maple trees furnish some fine lumber.
73b Leaves pinnately veined. Figs. 381 to 384
74a Leaves opposite; woody vines, shrubs or small trees.
Staff-tree Family CELASTRACEAE
Fig.381. Evonymus atropurpureus Jacq., Wahoo.
The salmon-pink fruit which upon opening displays its vermilion seeds never falls to attract attention.
74b Leaves alternate
75a Climbing woody vines.
Staff-tree Family, CELASTRACEAE
Fig.382. Celastrus scandens L., Bittersweet.
Its fruit is much prized for winter decoration. In color it is much like the Wahoo.
75b Woody plants, not climbing. Figs. 383 and 384
76a Flowers small, in racemes. Leaves thick, entire. Fruit dry.
Cyrilla Family, CYRILLACEAE
Fig.383. Cyrllla racemiflora L., Leather-wood.
This small family of trees and shrubs belongs in the South. The species here used as an example grows in wet places.
76b Flowers solitary or clustered in the axils. Leaves often leathery, tiaple; fruit a berry-like drupe with several hard seeds.
Holly Family, AQUIFOLIACEAE
Fig.384. Nemopanthus mucronata (L.), Mountain Holly.
It is found in swamps. It is not evergreen as most of the other members of the family.
77a Leaves with glandular punctations (translucent dots).
Pistils sometimes 1-5,distinct.
Rue Faaily, RUTACEAE
Fig.385. a, Ptelea trifoliata L., Hoptree; b, Zanthoxylum americanum 11111., Prickly Ash.
The Hoptree, a shrub or small tree, has very characteristic fruit which has won for it the name "Wafer-Ash". Its range is throughout much of the eastern half of the U.S.
7b Leaves not punctate. Figs. 386 and 387.
78a Fruit (in our one species) a winged samara. An open-growing tree with thick branches and long pinnately-compound leaves.
Ailanthus Family, SIMARUBACEAE
Fig.386. Allanthus altissima Swingle, Tree of Heaven.
This tree is a native of China. It grows rapidly and its leaves have an unpleasant odor. It sprouts vigorously and at considerable distances from the parent tree.
78b Fruit of many forms but not a samara.
Soapberry Family, SAPINDACEAE
Fig.387. Sapindus drummondii H. & A.; Soapberry.
This tree may attain a height of 50 feet. It belongs to the South and West.
79a Flowers imperfect; monoecious or dioecious; sap usually
acrid or milky.
Spurge Family, EUPHORBIACEAE
Fig.388. a, Croton monanthogynus Michx., Single Fruited Croton; b, Croton glandulosa L. Glandular Croton.
This is a large important family. With many species the maturing ovary is so large and so suspended on a slender stem that it hangs out of the flower in a very characteristic way.
Common examples: Polnsettia, Castor-oil Plant, Para Rubber Tree.
79b Flowers perfect and regular. Figs. 389 to 392
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