BLUE a.
myrtaceous tree (Eucalyptus globulus), of the loftiest proportions, now cultivated in tropical and warm temperate regions for its timber, and as a protection against malaria. The essential oil is beginning to be used in medicine. The timber is very useful. See Eucalyptus. -- Blue jack, Blue stone, blue vitriol; sulph…
BRAZIL WOOD n.
A very heavy wood of a reddish color, imported from Brazil and other tropical countries, for cabinet-work, and for dyeing. The best is the heartwood of Cæsalpinia echinata, a leguminous tree; but other trees also yield it. An interior sort comes from Jamaica, the timber of C. Braziliensis and C. crista. This is often d…
CALABAR n.
. Calabar bean, The of a climbing legumious plant (Physostigma venenosum), a native of tropical Africa. It is highly poisonous. It is used to produce contraction of the pupil of the eye; also in tetanus, neuralgia, and rheumatic diseases; -- called also ordeal bean, being used by the negroes in trials for witchcraft.…
CALABASH n.
nsil, made from the dry shell of a calabash or gourd. Calabash tree. (Bot.), a tree of tropical America (Crescentia cujete), producing a large gourdike fruit, containing a purgative pulp. Its hard shell, after the removal of the pulp, is used for cups, bottles, etc. The African calabash tree is the baobab.…
CAOUTCHOUC n.
A tenacious, elastic, gummy substance obtained from the milky sap of several plants of tropical South America (esp. the euphorbiaceous tree Siphonia elastica or Hevea caoutchouc), Asia, and Africa. Being impermeable to liquids and gases, and not readly affected by exposure to air, acids, and alkalies, it is used, espec…
CASHEW n.
A tree (Anacardium occidentale) of the same family which the sumac. It is native in tropical America, but is now naturalized in all tropical countries. Its fruit, a kidney-shaped nut, grows at the extremity of an edible, pear-shaped hypocarp, about three inches long. Casbew nut, the large, kidney-shaped fruit of the ca…