Hardy Exotic Plants for Naturalization. 117 



THE LILY FAMILY. 



Thready Adam's Needle. Yucca filammtosa. 

 North America. Evergreen herb ; 2 to 3 feet ; white 

 and green ; summer or autumn ; suckers. — Margins 

 of shrubberies, on banks or rough rockwork, near cas- 

 cades, &c. ; and also, as it is a free-flowering kind, for 

 association with the nobler herbaceous plants. 



Flaccid Adam's Needle. Yucca flacdda. North 

 America. Evergreen herb ; 3 to 5 feet ; whitish ; sum- 

 mer or autumn ; suckers. — Similar uses and positions to 

 the preceding ; and, as it flowers more freely and regu- 

 larly, it is very valuable as a flowering plant. 



Adam's Needle. Yucca gloriosa. America. Ever- 

 green shrub ; 4 to 6 feet ; white ; summer ; suckers. — 

 Isolated specimens by wood walks, on very rough, rocky 

 ground, near cascades, &c. ; or grouped with tall herba- 

 ceous plants of striking foliage and habit. 



Recurved Adam's Needle. Yucca recurva. North 

 America. Evergreen shrub j 3 to 4 feet ; white ; 

 summer; suckers. — Similar uses and positions to pre- 

 ceding. 



Gesner's TuUp. Tulipa Gesneriana. Levant. Bulb ; 

 i^feet; striped; spring; division. — This, or any of its 

 varieties, might be naturalized with the fmer daffodils, or 

 hardy bulbs in warm good soil. 



Sweet-scented Tulip. Tulifa suaveolms. Southern 

 Europe. Bulb ; 6 to 9 inches ; red and yellow ; spring ; 

 division.— Warm and sunny banks where there is not a 

 rank vegetation. 



