G.47) CLASSIFICATION AND DESCRIPTION 113 
tree with mainly an excurrent trunk and horizontal branches. Wood 
firm, close-grained and hard to split. Rich soil, latitude of Albany 
and southward. Difficult to transplant, so it is rarely cultivated. 
2. Nyssa biflora, Walt. (Sour Gum.) Leaves 1 to 3 in. long, 
smaller than in N. sylvatica; fertile flowers and fruit 1 to 3, in the 
axils; stone decidedly flattened and more strongly furrowed. New 
Jersey to Tennessee and southward. Too nearly like the last to need 
a drawing. All the species of Nyssa may 
have the margin of the leaves somewhat 
angulated, as shown in the next. 
3. Nyssa unifldra, Wang. (LARGE 
TuPEeLo.) Leaves much larger, 4 to 12 in. 
long, sometimes slightly cordate at base, 
entire or angularly toothed, downy be- 
neath. Fruit solitary, oblong, blue, 1 in. 
or more in length. Wood soft, that of 
the roots light and spongy and used for 
corks. In water or wet swamps; Vir- 
ginia, Kentucky, and southward. 
N. unifléra. 
ORDER XXIII. CAPRIFOLIACE. 
(HONEYSUCKLE FAMILY.) 
Shrubs (rarely herb or tree-like plants) of temperate 
- regions. 
Genus 47. VIBURNUM. 
Shrubs or small trees with opposite, simple, petioled 
leaves. Flowers light-colored, small but in large, con- 
spicuous, flat-topped clusters at the ends of the branches; 
blooming in early summer. Fruit small, 1-seeded drupes 
with flattened stones; ripe in autumn. 
* Leaves distinctly palmately lobed .................0. weeeeee 1, 
* Leaves pinnately veined and not lobed. (A.) 
A. Coarsely dentated...... J iweAiwanetan Ged aleawlen ewe Sas 2. 
A. Finely serrated. (B.) 
B. Leaves long-acuminated ........ 0... cece cee c eee erences 3. 
B. Obtuse or slightly pointed ..........., 0... e eee 4. 
8 
