270 



THE BOOK OF GARDENING. 



night. The foliage, when bruised, emits a strong balsamic 

 perfume. The flowers are produced in long terminal erect 

 racemes during June and July, and are white in colour. A 

 form is also grown with reddish flowers ; this is generally 



known as D. Fraxiiiella^ whilst the 

 white one is given as a variety. 

 Propagated by seeds or by division. 



DiELYTRAS. — See Dicentras. 



DoRONicuMS are handsome spring- 

 and suniQier-flowering subjects, with 

 large yellow Daisy-like flowers ; they 

 are suitable for bed and border culture, 

 and are propagated either by seeds or 

 by division. D. austriaaem forms a 

 mass of deep glistening green foliage, 

 and bears numerous large golden- 

 yellow flowers from iVTarch to May ; 

 it grows I Sin. high. D. pla?ifagineia>i 

 excelsuni (syn. Harpur Crewe) is more 

 robust in habit than the last-mentioned, 

 reaching a height of from 2^ft. to 

 3ft. It flowers from May to August, 

 the flowers being deep yellow, and 

 upwards of 4in. across. 



Epilobiums are showy plants of 

 easy culture, suitable for large borders 

 or for naturalising on the margin of 

 water. Increased by seeds or by divi- 

 sion. K. angiistifoUuni is a tall plant, 

 growing from 3ft. to 5ft. high, and 

 Fig. 154. — DicTAMNus producing showy crimson flowers during 

 ALBus, June, July, and August. The variety 



albiivi^ with white flowers, is also grown. 

 E. Dodojicei grows from i2in. to i8in. high, and bears large 

 rose-coloured flowers ; it is also known as E. Fleischeri. 



Erigerons are summer-flowering composites with beautiful 

 star-shaped flowers ; they are increased by either seeds or 

 division. E. aura?itiacus grows from 6in. to i8in. high, and 

 bears large orange-coloured flowers during August. E. speciosus 

 is a showy plant for the mixed border ; the flowers are 

 lavender-coloured, and have yellow centres ; they are produced 

 during July and August on stems 2 ft. high. Its variety 

 superbus has large purple flowers, and is a very free and 

 continuous flowerer. 



Eryngiums are handsome plants with peculiar spiny foliage, 

 and large branching heads of Thistle-like flowers ; they are 



