Yucca filamentosa, Linn. Adam's Needle. Figs. 4021, 4022. Acaulescent: lvs. 1 in. wide, scarcely glaucous, with curly threads: infl. Long-stalked, 4-12 ft. high, usually glabrous: fls. nearly white: carpels with rounded backs. S. C. to Miss. and Fla. B.M. 900. Redoute, Lil. 5:277, 278. Mordaunt, Herb. Gen. 4:258. Rep. Mo. Bot. Gard. 13:8-12, 83. G.C. III. 57:187. G. 34: 605.—A variegated form is f. variegata, and a form with broad stiff spoon-like lvs. is var. concava, Baker (Y. concava, Haw.). Rep. Mo. Bot. Gard. 13:10, 83.