ORNAMENTAL PLANTS 491 



corona (fig. 307). The paper narcissus has pure white segments 

 and a lemon yellow corona. Related species with a conspicuously 

 elongated corona are known as daffodils. 



A B « C 



Fig. 307. — In the Amaryllis Family are daffodils (A), jonquils (B), and narcissus 



(G). 



In the Iris Family are the cultivated varieties of Iris, Gladi- 

 olus and Crocus (fig. 308). Many of the colorful Iris species come 

 from Japan. The Gladiolus genus, native to Africa and western 



A B 



Fig. 308. — The Iris Family includes as ornamental species the familiar crocus 

 (A) and gladiolus (B). 



Asia, produces flowers in spikes, each flower funnel-shaped and 

 with unequal segments in a variety of colors. Crocus is a smaller 

 stemless plant with clusters of flowers which appear early in 



