242 ROGK GARDENING FOR AMATEURS 



inches high, bearing flowers four or five inches in diameter 

 in May. On opening the flowers are pure white, but 

 gradually change to a delicate rose colour. They are 

 very sweet scented and handsome. It is a North American 

 perennial, and may be increased by suckers from the roots, 

 or by means of cuttings rooted in sandy soil. Oe. mis- 

 souriensis is an attractive plant from the United States, 

 with prostrate stems springing from a central rootstock, 

 and having a profusion of clear yellow flowers in summer. 

 For a sunny ledge it is very effective. Like those of the 

 preceding, the flowers are at their best in the evening. 

 It may be increased by cuttings in the spring, inserted 

 in sandy soil under a bell glass. Oe. Nuttallii is of very 

 compact habit, with tufts of jagged leaves, and yellow 

 flowers produced from the base. Oe. taraxacifolia is a 

 Chilian kind of trailing habit, with stems a foot or so 

 long, and in summer large pure white flowers, which 

 change with age to a delicate pink. It should be planted 

 on a ledge so that the stems can droop over the sloping 

 stones ; a good perennial in a light, well-drained position, 

 planted in light soil. There are many other attractive 

 Oenotheras of neat habit. Among them may be mentioned 

 Oe. speciosa, about eighteen inches high, with large 

 flowers white at first, then changing to pink ; Oe. 

 fruticosa, a handsome perennial with yellow flowers ; 

 Oe. triloba, a dwarf free-flowering species, with tufts of 

 jagged leaves and numerous large yellow flowers. 



Omphalodes. This is a small group of plants belonging 

 to the Borage order (Boragineae), and containing some 



