1 86 GARDEN FLOWERS. 



H. argenteiun (silvery) ; hardy shrub ; 6 feet ; flowers pink, 

 in June; Siberia; 1779. 



The varieties brachysema and subvirescens, both with pink 

 flowers, are desirable. 



Hamamelis. Witch-Hazel. [Hamamelidaceae.] Hardy 

 deciduous shrubs, very showy from the abundance of yellow 

 flowers produced in November after the leaves have fallen, 

 and imparting a gay appearance to the shrubbery at that 

 dreary season. Propagated by root cuttings, layers, and 

 seeds, the latter requiring two years to vegetate. Soil, moist 

 loam. The female flowers are the more showy. 



H. Virgijiica (Virginian) ; hardy shrub ; 10 feet ; flowers yel- 

 low, in November; North America; 18 12. 



Harebell. See Campanula. 



Hare's Ear. See Bupleurum. 



Hawthorn. See Crataegus. 



Hawkweed. See Tolpis. 



Hazel-Nut. See Corylus. 



Heather. See Calluna. 



Heart's Ease. See Pansy, Viola. 



Hedeoma. [Lamiaceae.] Hardy annuals, growmg readily 

 from seed sown in spring in common garden soil. 



H. p2iligioides (pennyroyal-like) ; hardy annual ; 6 inches ; 

 flowers blue, in July ; North America. H. thyuioides (thyme- 

 like) ; hardy annual ; 3 inches ; flowers red, in July ; France. 



Hedera. Ivy. [Araliaceae.] A well-known hardy ever- 

 green climber, of which there are several varieties. The 

 tender Ivies are of little interest. Common garden soil suits 

 the Ivy, but it grows quicker if it be rich and deep. In- 

 creased by cuttings in autumn, in a moist sandy soil. The 

 best of the varieties for general purposes are the Irish and 

 H. Rcegneriana, the latter with large heart-shaped leaves. 



H. Helix (common). The principal varieties are, ai'bores- 



