GARDEN FLOWERS. 2'J'J 



Italy; 1824. O. lacteuiii (milk-white) ; half-hardy bulb ; i foot; 

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

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

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

 flowers white, in May; Naples; 1834. O. Narboncnse (Nar- 

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

 of Europe; 18 10. O. niveuiii (snow}') ; half-hardy bulb; 6 

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

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

 May ; Cape ; 1 795- 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. lunbellatuDi (umbelled) ; hardy bulb ; 6 inches ; 

 flowers white, in May ; England. 



There are numerous other species deserving of cultivation. 



Orobus. Bitter Vetch. [Leguminosae.] An extensive 

 family of hardy perennials. Common light deep garden 

 soil. Increased by division. 



O. atropiirpureus (dark-purple) ; hardy perennial ; i foot ; 

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

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

 Iberia ; 18 18. O. formosiis (showy) ; hardy perennial ; 9 inches ; 

 flowers purple, in June ; Caucasus; 1818. (9. ■t/*?/';//^^- (spring) ; 

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



Osage Orange. See Maclura. 



Ornus. Flowering Ash. [Oleaceae.] Hardy deciduous 

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

 gated by seeds. 



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

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

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

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

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

 flowers in April ; North America ; 1818. 



Oxydendrum. See Andromeda. 



