ON HARDY BULBS AND TUBERS. 319 



well be represented by any or all of the C. venustus 

 forms (Fig. 19s), but especially by citrinus and oculalus ; 

 C. luteus Weedii, orange-yellow, and var. concolor, rich yellow ; 



Fig. 195. — Calochortus venustus. 



C. Nuttallii, white, with black eye ; C. Kennedyt, scarlet ; 

 C. Plummera, soft lilac ; C. davatus, bright golden-yellow ; and 

 C. Gunisoni, white, with greenish zone. 



Camassia esculenta (Fig. 196) is the only popular member 

 of the genus in the hardy bulb garden, though C. Cusickii 



, promises to become so when better known. The plants grow 

 from i^ft. to 2ft. high, and are suitable either for the flower 



, border or for naturalising. Propagated by offsets in autumn ; but 



- the bulbs dislike frequent disturbance. C. esculenta (Quamash) is 

 a liliaceous plant with bright blue flowers produced during 

 summer. It likes a partially shaded position in a fairly rich 

 sou, though it may also be grown in the ordinary border. 



Chionodoxa. — In this genus we have spring-flowering bulbs of 

 the highest order of merit, of the brightest as regards colouring, 

 of the hardiest constitution, and of the easiest culture. Planted in 

 bold groups in the border or bed they are very effective ; and 



If 



