The ornamental trees of Hawaii

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Identifier: ornamentaltreeso00rock (find matches)
Title: The ornamental trees of Hawaii
Year: 1917 (1910s)
Authors: Rock, Joseph Francis Charles, 1884-1962
Subjects: Trees--Hawaii.
Publisher: Honolulu: (s.n.)
Contributing Library: Pennsylvania Horticultural Society, McLean Library
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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ves called carpophylls in whose notchesthe naked ovules are situated; pollination is effected by the wind. Ithas fruits like those of flowering plants, with starchy endocarp, butfertilization is accomplished by means of spermatozoids and arche-gonia, corresponding to the male and female elements in animals; thisbrings them closer to the Cryptogams, which are plants destitute ofstamens, pistils, and true seeds. Cycas revoluta Thunb.So-called Sago Palm. Cycas revoluta has a stout cylindrical trunk which does notbranch and does not exceed three feet in height; the leaves are numer-ous, forming a crown horizontally around the apex of the stem. Theleaflets are strongly revolute—that is, their margins are rolled back,hence the name revoluta. As already remarked in the introductionunder Cycadaceae, the plant is not related to the palms and is erron-eously called Sago palm. It is a native of China and is now culti-vated in many other countries besides Hawaii, and can often be found Plate I.
Text Appearing After Image:
Cycas circinalis L.Growing in the grounds of Mrs. M. E. Foster on Nuuanu Avenue. Cycadaceae. 3 as a pot plant. There are possibly two more species cultivated inHonolulu: Cycas circinalis and Cycas media; these two seem to dif-fer from each other only in that the latter branches, sometimes fromthe base, while the former has a simple stem with open loose whorlsof leaves; both attain a height of fifteen or more feet in this Terri-tory, while in some regions they reach a height of thirty-five feet,with trunks a foot and a half in diameter. A form of >tarch calledSago is obtained from the trunk of this plant, though the true Sagois derived from the Sago palm (Metroxylon Sagus) a palm indigen-ous in the East Indian Archipelago where it flourishes in low marshysituations. Sago is used principally as an article of diet, it is verynutritious and easily digested, and does not contain irritative prop-erties. Sago is derived not only from the true Sago palm and fromthe so-called Sago palm, whi

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