Identifier: ornamentaltreeso00rock (
find matches)Title:
The ornamental trees of HawaiiYear:
1917 (
1910s)Authors:
Rock, Joseph Francis Charles, 1884-1962Subjects:
Trees--Hawaii.Publisher:
Honolulu: (s.n.)Contributing Library:
Pennsylvania Horticultural Society, McLean LibraryDigitizing Sponsor:
LYRASIS Members and Sloan FoundationView Book Page:
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view book online to see this illustration in context in a browseable online version of this book.Text Appearing Before Image:W. M. Giffard onwhose premises the tree has attained magnificent proportions. SeePlate LXX. The original tree was fertilized in the normal manner by thecommon hawk-moth, the pollen coming from the yellow variety ofPlumiera acutifolia, produced seeds, which in turn were planted andthus were obtained the first hybrids which were distributed over thecity. Many crosses exist now between the common species and thered one. Alstonia scholaris (L.) R. Br. Alstonia scholaris is a tall, glabrous tree reaching a height ofover sixty feet, producing an abundance of milky sap. The branchesare whorled, the leaves verticillate, leathery, about eight inches long,oblong-obovate, rounded at the apex and pointed at the base. Theflowers are arranged in terminal cymes, which are umbellatelybranched. The small white flowers are numerous and crowded. Thefollicles are pendulous, slender, cylindrical and eight to sixteeninches long. It is a widely distributed species, occurring in Africa, tropical Plate LXXI.Text Appearing After Image:Ochrosia elliptica La Bill.Fruiting branch. Apocynaceae. 179 Asia, Malay and Australia. There are only two trees in the Ter-ritory as far as the writer is aware; both may be found in the prem-ises of Dr. W. Hillebrand on Xuuanu Avenue, who is responsible forits introduction to Hawaii. The tree is commercially known as DitaBark, and occurs under various names in India, where it grows inthe sub-Himalayan tracts up to 3000 feet elevation. Dita Bark is avaluable and highly ornamental tree which deserves to be cultivated.It is used medicinally and is listed in the Pharmacopaeia of India.The bark is an astringent and is given as a tonic. The milky juiceis applied to ulcers and is also used to restore the tone of the stom-ach in debility, and the substance known as Ditain is considered equalto the best sulphate of quinine, and at the same time is free fromthe secondary disagreeable symptoms of the latter drug. Ditain wasfirst separated from the bark in the form of an uncn stallizable prin-ciNote About Images 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 work.
