VlTACEAE 99 



nate small crescent-shaped somewhat raised leaf-scars with 3 

 bundle-traces; rounded buds with several exposed scales; small 

 rounded stipule-scars or unequal stipular spines; small axil- 

 lary often clustered perfect polypetalous flowers; and rather 

 small drupe-like fruits. 



Leaves glabrous: fruit nearly sessile. Z. sativa. 



Leaves woolly beneath: fruit stalked. Z. Jujuba. 



Family VlTACEAE. Vine Family. 



A rather small family of tendril-climbers, celebrated as 

 the source of wine and furnishing the market with grapes, 

 raisins and dried currants: the woodbines or creepers include 

 some of the best close-clinging climbers. 



AMPELOPSIS. 



Deciduous close-barked shrubs climbing by coiling tendrils 

 or in some species nearly or quite without tendrils and bush- 

 like, with sympodial branches with pale sub-continuous rounded 

 pith not diaphragmed at the nodes; alternate leaf-scars; nar- 

 row stipule-scars; small buds; simple or in one species pinnate 

 or bipinnate scarcely fleshy leaves; small greenish perfect poly- 

 petalous flowers in forking clusters opposite the leaves; and 

 small pale blue or purple large-seeded berries. (Cissus). 



1. Leaves simple. 2. 



Leaves pinnate or bipinnate. (Pepper vine). A. arborea. 



2. Leaves whitened beneath. A. humulifolia. 

 Leaves not whitened beneath. 3. 



3. Leaves serrate, little lobed: fruit scarcely showy. A. cordata. 

 Leaves crenately toothed: fruit multicolored. 4. 



4. Leaves deeply lobed. (Turquoise berry). A. heterophylla. 

 Leaves little lobed. A. heterophylla amurensis. 



PARTHENOCISSUS. Virginia Creeper. "Ampelopsis". 

 Woody close-barked plants climbing by coiling or more 

 frequently disk-bearing tendrils opposite the leaves, with soft 

 brownish wood with rather large scattered ducts and coarse 

 medullary rays; sympodial branches with green or pale con- 

 tinuous or finally chambered or excavated rounded pith not 



