ON HARDY HERBACEOUS PERENNIALS. 



273 



and flowering from July to September ; the flowers are bright 

 yellow, with dark disks, and are upwards of 4m. across. 



Heliopsis l^vis is a handsome composite plant, suitable for 

 the back of the flower border ; it grows from 3ft. to 6ft. high, 

 and produces terminal heads of deep orange-yellow flowers from 

 July to September. 



Hesperis matronalis (Rocket, or Dame's Violet) is a 

 free-flowering plant, suitable for the mixed border. It has 

 whitish or purplish flowers, produced in June and July. The 

 variety flore-pleno is 

 the old double white 

 Rocket. Increased by 

 seeds, cuttings, or 

 division. 



HEUCHERA SAN- 



GUINEA (Alum Root) 

 is a splendid plant 

 lor borders and rock- 

 work. It grows from 

 gin. to i8in. high, 

 and produces long 

 graceful spikes of crim- 

 son-scarlet flowers 

 from June to 

 August. These, 

 when seen in a 

 mass, in full sun- 

 shine, produce a 

 dazzling effect. 

 The flowers are 

 invaluable for cut- 

 ting, purposes. In- 

 creased by seeds 

 or by division. 



Inulas are well- 

 known composites with large showy yellow flowers, suitable 

 for borders, shrubberies, wild gardens, &c. Increased by seeds 

 or by division. Inula glandulosa (Fig. 157) is a plant which 

 is greatly admired. It grows about 2 ft. in height, is 

 of neat habit, and during July and August produces large 

 golden-yellow flowers 4m. across. I. Helenium (Elecampane) 

 is a strong-growing species, from 3ft. to 5ft. high, producing 

 large leaves and gigantic heads of showy yellow flowers. Its 

 flowering, period is from July to September. I. Hookeri grows 

 from ift. to 2ft. high, and bears large yellow flowers during 

 August and September. 



Larkspurs.— See Delphiniums. 



T 



Fig. 157. — Inula glandulosa. 



