Yucca australis, Trel. (Y. baccata australis, Engelm. Y. filifera Chab.). Becoming a large tree: lvs. 1 in. wide, smooth, rather flat, with short coarse threads: infl. hanging, 3-6 ft. long: fls. and fr. small. E. Cent. Mex. R.H. 1876, p. 433; 1884, p. 53; 1910, p. 401. Gn. 10, p. 554. G.F. 1:78. Bull. Soc. Tosc. Ort. 14:9. Contr. U. S. Nat. Her. 5:38. Rep. Mo. Bot. Gard. 3:3, 4; 13: 60, 61, 85. G.W. 10, pp. 84, 631.