GARDEN FLOWERS. 2/7 



Italy; 1824. 0. lacteum (milk-white) ; half-hardy bulb ; I foot; 

 flowers white, in June ; Cape ; 1796. O. marginatum (mar- 

 gined) ; hardy bulb ; 9 inches ; flowers greenish-white, in May ; 

 Asia; 1843. O. montaninn (mountain) ; hardy bulb; 6 inches ; 

 flowers white, in May; Naples; 1824. O. Narbonense (Nar- 

 bonne) ; hardy bulb; 18 inches; flowers white, in July; south 

 of Europe; 1810. O. niveum (snowy) ; half-hardy bulb; 6 

 inches; flowers white, in May; Cape; 1774. O. odorattim 

 (sweet); half-hardy bulb; 18 inches; flowers pale-yellow, in 

 May; Cape; 1795. O. Pyramidale (pyramidal) ; hardy bulb ; 2 

 feet ; flowers white, in June ; Spain ; 1752. O. suaveolens (fra- 

 grant) ; half-hardy bulb ; 6 inches ; flowers white, in June ; 

 Cape ; 1826. O. umbellatum (umbelled) ; hardy bulb ; 6 inches ; 

 flowers white, in May ; England. 



There are numerous other species deserving of cultivation. 



OROBUS. Bitter Vetch. [Leguminosse.] An extensive 

 family of hardy perennials. Common light deep garden 

 soil. Increased by division. 



O. atropurpureus (dark-purple) ; hardy perennial ; I foot ; 

 flowers deep-purple, in May; Algiers; 1826. O. aurantius 

 (orange) ; hardy perennial ; 18 inches ; flowers yellow, in June ; 

 Iberia ; 1818. O. formosus (showy) ; hardy perennial ; 9 inches ; 

 flowers purple, in June ; Caucasus ; 1818. O. vernus (spring) ; 

 hardy perennial ; i foot ; flowers purple, in May ; Europe ; 1629. 



OSAGE ORANGE. See MACLURA. 



ORNUS. Floivering Ash. [Oleaceae.] Hardy deciduous 

 trees, with white flowers. Common garden soil. Propa- 

 gated by seeds. 



O. Americana (American) ; 30 feet ; flowers in May ; North 

 America ; 1820. O. Europcea (European) ; 20 feet ; flowers in 

 May; Italy; 1730. O. floribunda (bundle-flowered); 30 feet; 

 Nepaul ; 1822. O. rotundifolia (round-leaved); 16 feet; flow- 

 ers in May; Italy; 1697. O. striata (channelled); 30 feet; 

 flowers in April ; North America ; 1818. 



OXYDENDRUM. See ANDROMEDA. 



