226 LILIACE^E. [CLASS 



growth, and, falling off, serve to propagate the plant. In 

 some species of Garlic (A Ilium) several of the arrested 

 flower-buds become bulbels, which develop young plants 

 in a similar way. 



Many of the Liliaceae are highly ornamental and much, 

 prized as garden flowers. Tulips, the numerous species 



FIG. 170. Flower of White Lily. 



of Lily, Hyacinths, the Crown Imperial, Asphodels, and 

 Yucca or Adam's Needle, belong to the Order. 



Several useful products are derived from the Lily 

 Family, including the drug Aloes, which is the dried juice 

 obtained from the leaves of species oi Aloe growing in 

 Africa and the West Indies, and New Zealand Flax, a 

 strong fibre, afforded by the leaves of Phormium tenax, 

 used for cordage, &c. 



67. Natural Order Juncacese. The Rush Family. 



DISTRIBUTION. A small, widely-diffused, cosmopolitan 

 Order, a considerable proportion affecting cool or alpine 

 localities. British genera 2, species 20. 



Herbs. Perianth-leaves scarious ; stamens 6. Ovary superior. 

 Type Field Woodrush (,Luzula campestris). 



