384 



GARDEN FLOWERS. 



stancy in annuals ; for the only way is to destroy all others 

 that cab. cross the seed, or to isolate those for seeding, so 

 that nothing can reach them. Muslin bags have been tried 

 with some effect ; but it must be done very early. The 

 double varieties are brilliant ornaments of the garden, and 

 come true from seed. They were introduced from India in 

 1858. 



Z. elegans (elegant) ; half-hardy annual ; 1 8 inches ; flowers 

 various, in July ; Mexico; 1829. Z. mnltiflora (many-flowered) ; 

 hardy annual; 2 feet; flowers dull-red, in August; Mexico; 

 1770. 



ZYGADENUS. [Melanthaceae.] A family of herbaceous 

 perennials, allied to Veratrum, natives of North America. 

 Soil, moist peaty loam. Propagated by division. Flowers 

 greenish-white. Z. glaucus, leimanthoides, and glaberrimus 

 are among the species. 



