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The liliaceous tribe Nolineae, in addition to Dasylirion, contains 3 genera with unarmed Lvs., so closely related that they have been united by excellent botanists under the genus Nolina. As now limited, however. Nolina has panicled small polygamo-dioecious fls. and wingless 3-lobed 1-3-seeded often inflated fr.; Calibanus differs from it in the fr. being neither lobed nor inflated; Beaucarnea, like Dasylirion, has 3-winged fr., neither lobed nor inflated, and its trunk differs from that of Nolina in being more swollen at base. S. U. S. to Cent. Amer. Monograph in Proc. Amer. Phil. Soc. 50 (1911), by Trelease; species 24. Other species than those enumerated below may be expected in the collections of amateurs. Treatment in cult, as for yuccas.
The liliaceous tribe Nolineae, in addition to Dasylirion, contains 3 genera with unarmed Lvs., so closely related that they have been united by excellent botanists under the genus Nolina. As now limited, however. Nolina has panicled small polygamo-dioecious fls. and wingless 3-lobed 1-3-seeded often inflated fr.; Calibanus differs from it in the fr. being neither lobed nor inflated; Beaucarnea, like Dasylirion, has 3-winged fr., neither lobed nor inflated, and its trunk differs from that of Nolina in being more swollen at base. S. U. S. to Cent. Amer. Monograph in Proc. Amer. Phil. Soc. 50 (1911), by Trelease; species 24. Other species than those enumerated below may be expected in the collections of amateurs. Treatment in cult, as for yuccas.
N. Hartwegiana, of gardens—but not the species properly so- called—a plant with round rough-barked at. about as large as a coconut and narrowly linear tufted Lvs., is the type of a related genus, Calibanus, which differs in its rounded 3-celled fr. neither inflated, lobed nor winged, and is known as Calibanus Hookerii, Trel. (C. caespitosus, Rose. Dasylirion Hookerii and D. Hookeri, Lcm. D. caespitosum Scheidw. D. flexile, Koch. Beaucarnca Hookeri, Baker). E. Cent. Mex. B. M. 5098. Contr. U. S. Nat. Herb. 10:24, 25. and p. 90, fig. 4. Proc. Amer. Phil. Soc. 50:6, 8, 9, 11, 14.— The most beautiful of all this group is N. longifolia, when young, with its crown of drooping leaves 6 feet or more long, reaching to the ground. Few other true nolinas possess much beauty, but the caulescent species arc odd and rather graceful, and Lower Californian forms like N. Bigelovii, Wats., N. Beldingii, Brandegee (G.C. III. 34:43) and N. Parryi, Wats., may succeed in the warmer parts of California.
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