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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nd leavesdeserves to be more generally cultivated. It is found here and therein residential premises about the city; the accompanying illustrationshows a group of this palm in favorable circumstances. Washingtonia filifera H. Wendl. California Fax-Palm. Plate X. The genus Washingtonia consists of two or three species and afew varieties all of which may however belong to a single variablespecies. W. filifera seems certainly to be distinct from W. robustaH. Wendl.. but the status of the third species, W. sonorae Hort., isdoubtful. All three are peculiar to North America, where they occurin the desert regions of Southern California, especially in what isknown as the Colorado Desert. W. filifera is now commonly met within cultivation, especially in the southern parts of the United Statesand in southern Europe. In Hawaii the species in question has beenmuch planted about homes and parks, especially in Kapiolani Park atWaikiki. Confusion exists in regard to the nomenclature of this Plate X.
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Washingtonia filifera H. Wendl. Washington Palm in Kapiolani Park; the smaller palms areLivistona chinensis Mart. Palmae. 27 palm and another species known as Washingtonia robusta, also culti-vated in Honolulu, but less common. If . filifera differs from IV. robusta in the much stouter trunk,stirrer leaves and in the leafstalks, which are spiny only at the base,while //*. robusta, contrary to what the name implies, has a tall butmore slender trunk, smaller and flaccid leaves, and petioles armedwith spines up to the leaf segments. The ligule in IV. filifera istriangular in shape, with membranous projections on the margins, apeculiarity missing in // . robusta. The latter species may be foundin several places in Honolulu ; fine specimens occur in the groundsof Ainahou, the former residence of the late Governor Cleghorn.Single specimens can be seen about town, as on Keeaumoku Street inMr. W. M. Giffards grounds, on Wyllie Street up Nuuanu Valley,in Mrs. Jaegers garden near Beretania and

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