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. Fraxinella, whilst the 

 white one is given as a variety. 

 Propagated by seeds or by division. 



Dielytras. — See Dicentras. 



Doronicums are handsome • spring- 

 and summer-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. austriacum forms a 

 mass of deep glistening green foliage, 

 and bears numerous large golden- 

 yellow flowers from March to May; 

 it grows i8in. high. D. plantagineum 

 excelsum (syn. Harpur Crewe) is more 

 robust in habit than the last-mentioned, 

 reaching a height of from i\{\.. to 

 3ft. It flowers from May to August, 

 the flowers being deep yellow, and 

 upwards of 4m. 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. E. angustifolium is a tall plant, 

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

 producing showy crimson flowers during 

 June, July, and August. The variety 

 album, with white flowers, is also grown. 

 E. Dodoncei 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. aurantiacus 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 fiowerer. 



Eryngiums are handsome plants with peculiar spiny foliage, 

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



Fig. 154. — Dictamnus 



ALBUS. 



