1104 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



to the stalk. On the sides of the leaves are long threads, which hang down, 

 Jt is perfectly hardy. 



2070. Y. filamentdsa. 



2071. y. (f.) angustifulia. 



The narrow-leaved Yucca. 



8. V. (f.) angustifo'lia Pursli. 



Irlenlification. Pursh Fl. Araer. Sept., I. p. 227. ; Nuttall Gen. PI Amer., I. p. 218. 

 Engravings. Bot. Mag., t. 2236. ; and our^^. 2071. 



Spec. Char., ^c. Without a stem. Leaves long-linear, rigid ; margin slightly 

 filamentose. Capsules large, obovate-cylindrical. (Pursh.) A low ever- 

 green shrub, with the habit of a herbaceous ])lant. Banks of the Missouri 

 River. Height of the leaves 6 in. to 12 in. ; of the stem 3 ft. to 5 ft. Introi. 

 1811. Flowers greenish white, without any tinge of purple; September. 



This species has been sometimes confounded with Y. stricta ; but the leaves 

 are narrower and more recurved, and the threads on the margin much longer. 

 The whole plant is of humbler growth ; the flower stem is not branched, and 

 the flowers are more oblong than round. 



9. Y. fla'ccida Haw. The Eaccid-leaved Yucca. 



Identification. Haw. Supp., p. 35. ; Lindl. in Bot. Reg., vol. xxii., under Y. dracunis. 



Engravings. Bot. Reg. ; and omflg. 2072. 



Spec. Char., ^c. Leaves all very flaccid, weak, 

 bent below the middle and recurved, very 

 long and lanceolate, flat, concave and mu- 

 cronulate at the apex, roughish ; marginal 

 filaments strong, yellowish. (Haworth.) A 

 low evergreen shrub. Georgia. Height of 

 the leaves 1 ft. to 2 ft. ; of the flower stems 

 3 ft. to .5 ft. Introduced in 1816. Flowers 

 pale yellow ; July. / 



A pretty and apparently distinct species, well 

 marked by its thread-edged 

 scabrous leaves and pale 

 yellowish white flowers. 



10. Y. glauce'scens Haw. The glaucescent Yucca. 



Identification. Haw. Supp. PI. Sue, p. 35. 



Engravings. Brit. Flow.-Gard., t. 53. ; and onr fig. 2073. 



Spec. Char., Sfc. Leaves linear-lanceolate, entire, concave, 



glaucescent, straight; margin slightly filamentose. (Stvt.) 



An evergreen stemless plant. North America. Height 



of the flower-stems 3 ft. to 5 ft. Introd. 1819. Flowers 



greenish white, tinged with yellow ; Aug. and September. 



Leaves very stiff, concave, of a dull glaucous colour, ter- 

 minating in a sharp horny spine ; margin entire, with here 

 and there a slender white thread, sligiitly twisted. It has 

 the habit of Y. filamentosa, with larger and more numerous 

 blossoms, and more elegant sharp-pointed foliage. 



2072. y. fliccida. 



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