1104 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



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

 J.t is perfectly hardy. 



Identification. 



2070. Y. filament6sa. 2071. Y. (f.) angustifolia. 



' 8. Y. (F.) ANGUSTIFO'LIA Pursh. The narrow-leaved Yucca. 



Identification. Pursh Fl. Amer. Sept., 1. p. 227. ; Nuttall Gen. PL Araer., 1. p. 218. 

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



Spec. Char., $c. Without a stem. Leaves long-linear, rigid ; margin slightlv 

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

 green shrub, with the habit of a herbaceous plant. Banks of the Missouri 

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

 181 1. 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 flaccid-leaved Yucca. 



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

 Engravings. Bot. Reg. ; and our fig. 2072. 



Spec. Char., fyc. 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 2ft. ; of the flower stems 

 3ft. to 5ft. 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. F. GLAUCE'SCENS Haw. The glaucescent Yucca. 



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



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



Spec. Char., $c. Leaves linear-lanceolate, entire, concave, 



glaucescent, straight ; margin slightly filamentose. (SwtJ) 



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, slightly twisted. It has 

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

 blossoms, and more elegant sharp-pointed foliage. >73. v. giauc<?scem. 



