Tristagma
(from treis, three, and stagma, a drop; in reference to the three honey-glands). SYNS. Stemmatium, Stephania (of Willdenow), Stephanolirion. ORD. Liliaceae. A genus comprising only three species of greenhouse, bulbous plants, natives of Chili. Flowers not numerous, in terminal umbels, pedicellate; perianth salver-shaped, with a cylindrical tube, and six sub-equal, spreading lobes; corona of three to six sub-connate or free scales, or wholly deficient; stamens six; involucral bracts two; scape simple, leafless. Leaves radical, few, narrow-linear. Corm sub-globose, tunicated. T. narcissoide, the only species introduced, is a pretty and interesting plant, somewhat resembling a Narcissus. It thrives in a compost of rich, sandy loam, and does not require much water. Propagation may be effected by seeds, or by offsets.
T. narcissoide (Narcissus-like). fl., perianth tube dirty white, scarcely 1/2in. long, with six green bands; segments pure white on the face, with a slender, two-nerved, greenish keel; corona bright orange, erect; umbel five or six-flowered; scape slender, terete, purple, above 1ft. long. September. l. about four, erect, 6in. high, narrow-linear, glabrous, acuminate. Bulb globose, less than 1in. thick, with several brown, membranous tunics. 1875. SYNS. Stemmatium narcissoides, Stephanolirion narcissoides.