. Some ornamental shrubs for the Tropics. Shrubs Tropics. 84 CIRCULAR 34, FEDERAL EXPERIMENT STATION. Figure 49.—The hydrangeas grow best at rather high elevations in the Tropics. This small plant is scarcely 3 feet tall. The flowering begins after new shoots develop in the spring and continues until late fall. The large-flowered types are most com- monly grown because they are more showy. The leaf blades are coarsely toothed with slender, drawn-out tips and rounded base. Since the double-flowered types are sterile, it is necessary to propagate these from stem cuttings. Ilex vomitoria Ait. Yau
. Some ornamental shrubs for the Tropics. Shrubs Tropics. 84 CIRCULAR 34, FEDERAL EXPERIMENT STATION. Figure 49.—The hydrangeas grow best at rather high elevations in the Tropics. This small plant is scarcely 3 feet tall. The flowering begins after new shoots develop in the spring and continues until late fall. The large-flowered types are most com- monly grown because they are more showy. The leaf blades are coarsely toothed with slender, drawn-out tips and rounded base. Since the double-flowered types are sterile, it is necessary to propagate these from stem cuttings. Ilex vomitoria Ait. Yaupon, Cassena (fig. 50) Aquifoliaceae This native of the South Atlantic and Gulf Coast States may be- come a tree in its natural environment, but for use in the Tropics it functions chiefly as a shrub. It is seldom used in tropical horti- culture. Plants in Puerto Rico in several locations near sea level have never flowered, but the upright, rounded growth indicates its usefulness as a vegetative background for more floriferous species. It can be sheared for use in hedges. At higher elevations or a different climate flowers may form. The alternate leaves are oval shaped with minute teeth along the margins. The blades seldom exceed 1 inch in length or a width slightly more than half the length. The young stems are light gray. The Indians of Florida used the leaves to make a purgative tea. New plants are obtained by rooting hardwood or semihardwood cuttings. Seeds, if available, require stratification or a long ger- mination Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hume, Edward Putnam, 1911-. [Washington : U. S. Govt. Print. Off. ]
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