IQ6 GARDEN FLOWERS. 



HICKORY. See CARYA. 



HIERACEUM. [Composite.] A large genus of yellow- 

 flowered composite plants, none of which are of much hor- 

 ticultural importance. Common soil. Increased by divis- 

 ion or by seeds. 



HIPPOPHAE. Sea Buckthorn. [Elaeagnaceae.] Hardy 

 shrubs, allied to Shepherdia, doing well in sandy soil, and 

 propagated by layers and suckers. The species is If. rham- 

 noides, with the varieties angustifolia and Siberica. 



HOLLY. See ILEX. 



HOLLYHOCK. See ALTHAEA. 



HOLOGYMNE. See LASTHENIA. 



HONESTY. See LUNARIA. 



HONEY-LOCUST. See GLEDITSCHIA. 



HONEYSUCKLE. See LONICERA and CAPRIFOLJUM. 



HONEYWORT. See CERINTHE. 



HOOP-PETTICOAT. See CORBULARIA. 



HOP. See HUMULUS. 



HORMINUM. [Labiatae.] A showy dwarf hardy herba- 

 ceous perennial, requiring a dry situation and a sandy soil, 

 or else to be kept in a dry cool frame in winter. Increased 

 by seeds or division. Not hardy in the Northern States. 



H. Pyrenaicum (Pyrenean) ; hardy perennial ; I foot ; flowers 

 blue-purple, in June ; Pyrenees ; 1820. 



HORNBEAM. See CARPINUS. 



HORN-POPPY. See GLAUCIUM. 



HORSE-CHESTNUT. See ^ESCULUS. 



HORSE-TAIL. See EQUISETUM. 



HOTEIA. [Saxifragaceas.] A very handsome hardy per- 

 ennial, formerly called Spircea Japonica. Soil, sandy loam 

 and peat. Increased by division. 



H. Japonica (Japan) ; hardy perennial ; 3 feet ; flowers white, 

 in May; Japan ; 1835. 



