GEISSOIS (from geisson, house-tiling; the seeds are imbricated like the tiles on a house). ORD. Saxifrageae. A genus comprising about four species of stove evergreen trees, natives of New Caledonia, the Fiji Islands, and Australia. GEISSOIS racemosa, perhaps the only species yet introduced, is a handsome tree, requiring a very sandy loam, to which a small quantity of peat may be added. Cuttings root if inserted in sand, under a hand glass, in heat. GEISSOIS racemosa (racemose). fl. crimson; racemes axillary, many-flowered, solitary, or in threes, produced from the old wood. l. opposite, petiolate, quinate; leaflets elliptic, obtuse, quite entire; stipules oblong, ribbed, undivided. h. 20ft. New Caledonia, 1851.