Hamamelis, continued 



ous stems. Grows naturally from Canada to the Gulf, 

 and westward to Nebraska and Texas. Leaves obliquely 

 heart-shaped, with wavy borders, turning bright yel- 

 low, orange or purple in autumn. Petals bright yellow, 

 narrow, often twisted. Flowers in autumn at a time 

 when other shrubs are dormant. 



Hibiscus The Althaea, or Rose 

 of Sharon 



A hardy shrub with handsome large flowers, ex- 

 tensively cultivated in American gardens. Thrives 

 in any fertile soil. The flowers appear in great 

 profusion in late summer, at a time when few other 

 shrubs are in blossom. 



Hibiscus syriacus ( Althaa frutex}. ROSE OF 

 SHARON. A tall shrub with upright or slightly spread- 

 ing branches. There are both double- and single- 

 flowered forms, with a wide range of colors. The fol- 

 lowing are among the best varieties: 



Amaranth. Reddish purple. 



Ardens. Bluish purple. 



Bicolor. Double, white with red marks. 



Boule de Feu. Double red. 



Carneo-plenus. Double flesh color. 



Elegantissimus. White, shaded with rose. 



Jeanne d'Arc. Double white. 



Leopold!. Double flesh, shaded with rose. 



Paeoniflorus. Double rosy purple. 



Totus albus. Single white. 



Variegatus. Leaves variegated with creamy white ; flow- 

 ers lavender with a purple blotch at the base of the 

 petals. 



Violaceus. Double purple. 



Hydrangea radiata (see page 70) 



Hydrangea Otalcsa (see page 70) 



Hippophae The Sea Buckthorn 



A hardy shrub with gray or silvery foliage. It 

 thrives in sandy or loamy soils. The most effective 

 results are secured by planting in groups or masses, 

 thereby bringing the pistillate and staminate forms 

 into close proximity and insuring a bountiful crop 

 of berries. 



Hippophae rhamnoides. SEA BUCKTHORN. A large 

 shrub with spine-tipped branches. Native of Europe 

 and Asia. Herght 8 to 12 feet. Flowers yellowish, pro- 

 duced in short clusters in spring. Berries orange or 

 bright orange-red, maturing in early autumn; very 

 showy. 



Hydrangea The Hydrangeas 



Grand, free-flowering shrubs with large clusters 

 or panicles of showy flowers. They are admirably 

 adapted for border planting, either as specimen 

 plants or in masses. A moisrfertile soil, with full 

 or partial exposure to sun, is best adapted to their 

 requirements. 



Hydrangea arborescens. WILD HYDRANGEA. An up- 

 right shrub, usually 4 to 8 feet tall, with bright green 

 leaves. Grows naturally from New Jersey and Iowa, 

 southward to Florida. Flowers creamy white, generally 

 with a few sterile rays, borne in numerous flat-topped 

 clusters in early summer. Hardy and attractive. 



H. arborescens sterilis. HILLS OF SNOW. A form 

 of the last with all of the flowers ray-like and sterile, 

 resembling a Snowball. A handsome floriferous 

 hardy shrub, literally loaded with dazzling white 

 flowers, and continuing to blossom for a large part 

 of the summer. 



H. hortensis. JAPANESE, OR GARDEN HYDRAN- 

 GEAS. Beautiful shrubs with dark glossy green 

 foliage and very showy flowers. They are not hardy 

 North, unless afforded a great deal of protection, 



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