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G. P. W. Collection. PLaTE XL
This small tree or thornless shrub with its dense foliage is a native of Cochin-China, and fine specimens of this tree, with its golden fruit in season, can be found in many gardens about Honolulu, especially those of the Chinese. Its leaves are lanceolate, its petioles short. Flowers are white and fragrant. The fruit is compressed-spherical, apex depressed, a ridge about the stem. The thin peel is greenish-yellow, baggy, and separates readily from the sections. Pulp generally dry. sweet, juice scant, fruit containing many seeds. The characteristic odor of the leaves, twigs and fruit of all varieties of the Mandarin orange is easilv recognizable.
(i. P. H". Collection. PLaTE XLI
Citrus medica limctta.
This small tree or bush thrives in Hawaii, and yields good crops. It requires a sandy, rocky soil, and does well in the shaded valleys. However, it is attacked by scale pests and root fungus, and many valuable trees are destroyed in this way. The dark green, shiny leaves are oval or elliptical, and emit an agreeable odor when bruised. The fragrant flowers are small, white, with an occasional tinge of pink. The fruit is small, varying in shape from round to elliptical. The light yellow skin is oily and very bitter, and the pulp is juicy and sour. The picture representing this fruit shows several varieties, forms and shapes; those on the left being the Mexican type, those on the upper right the Kusai lime, the latter much resembling a mandarin orange in shape, and has a loose skin, but the pulp is very juicy and exceedingly sour. This lime has become very popular in Hawaii, grows readily from seed, and produces true. To Mr. Henry Swinton is due the credit of int-oducing this variety in 1885 from Kusai, or Strong's Island, Micronesia.
G. P. W. Collection. Plate XLII
Citrus medica limonum.
This is a spreading tree, having ovate-oblong, fragrant leaves with short petioles. The flowers are small and white. The medium-sized fruit is egg-shaped, ending in a nipple-like point. The thin, smooth skin is aromatic. The juicy pulp is rich in citric acid. Many choice varieties of lemons have been introduced to Hawaii, but they have not thrived particularly well, because of the scale and insect pests which so greedily attack them; eternal vigilance is necessary in order to get the fruit matured; some very fine specimens, however, have been grown in Kona, at an elevation of 1500 feet.