TREES AND SHRUBS 



above, rigid, thick, smooth, pale green, 1^-3 ft., long, J-J in. wide, margins 

 pale reddish-brown, copiously filamentose, threads 4 ins. long. 



An evergreen shrub, nearly stemless, 3 ft. 



Introduced from Western N. America, 1811. 



SILK GRASS, Vucca filanientosa. 



Gardens. June — August. A very distinctive and attractive species, with 

 a rosette habit. 



Floivei's white tinged with green ; Panicle rhomboid, much branched, 4 8 ft. 

 long, branches flexuous, ascending, 6 ins. long, pedicels drooping, ^-\ in. long ; 

 Perianth segments oblong or oblong-lanceolate, li-2^ ins. long ; Stigmas slender, 

 shorter than ovary ; Fruit a capsule, oblong, 1^-2 ins. long, f in. diam. 



Leaves 30-50, in a dense rosette, outer ones spreading, central ones erect 

 or sliglitly curved, ensiform, acuminate, firm, apple-green, slightly glaucous, 

 lJ-2^ ft. long, l|-2 ins. broad, margins whitish with grey filaments 2-3 ins. 

 long. 



An evergreen shrub, stemless or nearly so, 2 ft. ; Suckers freely prod uced. 



Introduced from N. America, 1675. 



ADAM'S NEEDLE, Yucca gloriosa. 



Gardens, lawns. July, August. The hardiest and most popular of the 

 Yuccas ; it sometimes bears blossoms in mild winters. 



Flowers white, tinged with red, green, or purple, campanulate, lj-2^ins. 



long, 8|-4 ins. diam., eiitomophilous, in a panicle, 4-9 ft. long, of perhaps 250 



blossoms, branches 1-1 i ft. long, glabrous or pubescent, pedicels 4-12 ins. 



long, bracts small ; Perianth of 6 segments, in two series, slightly united 



at base, thin, ovate, acute ; Stamens 6, in two series, as long as ovary, filaments 



fleshy, Iiispid or papillose, slightly 3-lobed, anthers deeply emarginate, attached 



at back ; Ovarij superior, 3-celled, 6-sided, nectar-glands between partitions, 



narrowed towards apex, stigma 3-lobed ; Fruit baccate, seldom produced. 



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