OPO 



405 



ORB 



supposed to cure all diseases. Linn. 5, Or. 2, 

 Nat. Or. Apiacece. A plant of little beauty, 

 and . of easy cultivation ; it is increased by 

 seeds, or divisions at the roots. Synonyme: 1, 

 Pastinaca Opopanax. 

 Chirbnuni 1 . Tel. . 6, H. Her. P. 6 S. Eur. . 1640 



OporXnthus. See Amaryllis. 



OpORfNlA, Don. From oporinos, autumnal ; 

 alluding to the time of flowering. Linn. 19, 

 Or. 1, Nat. Or. Asterdcew. Merely herbaceous 

 weeds, growing in meadows, &c. Synonymies : 

 1, Apargia autumnalis ; 2, A. prat&nsis— 

 autuuinalis 1, pratensis 2. 



Opulus. See Viburnum Opulus. 



OptJNTrA, Tournefort. Some of the species are 

 plentiful near Opus, a city of Locris. Linn. 

 12, Or. 1, Nat. Or. Cact&cece. This is a very 

 interesting genus of plants, well deserving of 

 cultivation in every collection. They require 

 to be treated like the Mammill&rias; and young 

 plants may be obtained by separating the 

 branches at the joints, and allowing them to 

 dry for a few days before sticking them in the 

 soil, or they would soon rot. 0. cochinillifera 

 is valuable on account of its rearing the well- 

 known cdccus cdcti, or cochineal insect. Syno- 

 nymes: 1, Cdctus aurantiacus ; 2, C. clatior ; 

 3, 0. humilis ; 4, 0. glomerata ; 5, 0. Opuntia-; 

 6, C. eldlior; 7, C.firox; 8, C. sericea; 9, 

 Cireus cylindrieus. 



albicans . . White . 6, S. Ev. S. 2 . 1835 



alplna . . .Pa. yel. . 6, S. Bv. S. 2 . 1838 



americana . Yellow . 6, S. Bv. S. 2 S. Amer. . 1835 

 Amyclaaa . . Yellow . 6, S. Bv. S. 3 Naples . 18:>5 

 andlcola . . S. Bv. S. . M90 



articulata . S. Ev. S. ' . 1836 



attulica . . S. Bv. S. . 1827 



aurantlaca 1. Or. yel. . 6, 8. Ev. S. 3 Chile . . 1824 

 Bonplandi . Yellow . 7, S. Ev. S. 3 Brazil . . 1816 

 brasiliensis . Yellow . 7, S. Bv. S. 10 Brazil. . 1816 

 calacantha 2. S. Ev. S. . 1836 



candelabri- j Te llow . 6, S. Bv. S. 4 . 1835 



lormis . ) 



cilibsa ... S. Ev. 8. . 



clavarioldes . S. Ev. S. . 1836 



cochinilltfera Rod . . 8, S. Ev. S. 5 S. Amer. . 1688 



corrugata . Redyel. 8, S. Ev. S. 2 Chile . . 1824 



crassa . . . Yellow . 6, S. Ev. S. 2 Mexico . 1817 



currassavica. Yellow . 6, S. Bv. S. 4 Curassoa. 1690 



elongata . Yellow . 6, B. Ev. S. 4 Curassoa. 



' 16nga . Yellow . 6, S. Ev. S. 4 Curassoa. 1690 



major . . Yellow . 6, S. Ev. 8. 4 Curassoa. 1690 



media . . Yellow . 6, 8. Ev. 8. 4 Crrassoa . 1690 



minor . . Yellow . 6, 8. Ev. S. 4 Curassoa. 1690 



cylindrica 9 . Scarlet . 3, 8. Ev. 8. 6 Peru . . 1799 



decipiens . Yellow . 6, 8. Ev. 8. 2 Mexico . 1830 



decumana . Yellow . 6, S. Ev. 8. 8 8. Amer. . 1768 



decnmbens . Yellow . 6, 8. Ev. S. i Mexico . 1835 



dejecta . . Yellow . 6, 8. Bv. 8. 4 Havanna. 1836 



dich6toma . Yellow . 9, 3. Ev. 8. 4 B. Ayres. 1836 



Dillenii . . Yellow . 9, S. Ev. S. 4 8. Amer. . 1810 



dolabrifbrmis Yellow . 8, 8. Ev. S. 2 S. Amer. . 1835 



elatior 6 . . Yellow . 7, S. Bv. 8. 6 S. Amer. . 1731 



elongata . . Yellow . 7, S. Ev. 8. 3 . 1817 



extensa . . Li. yel. . 7, S. Ev. S. 2 S. Amer. . 1824 



exuviata . . Yellow . 6, 8. Ev. 8. 2 Mexico . 1830 



ferox . . . Yellow . 7, S. Ev. 8. 8 8. Amer. . 1817 



Flcus-indica. Yellow . 6, S. Bv. 8. 2 8. Amer. . 1731 



flexlbilis . . Yellow . 6, 8. Ev. 8. 2 8. Amer. . 1886 



foliusa . . . Yellow . 7, 8. Ev. 8. 2 8. Amer. . 1805 



fragfiis . . Yellow. 6, H.Bv.S. 2 JT. Amer. 1814 



gla&ca. . . 8. Bv. 3. .1835 



glomerata . Yellow . 8, 8. Ev. 8. 8 Brazil . 1829 



grandis . . 8. Ev. 8. . 1835 



Hernandezii. Varieg. . 1, 8. Ev. 8. 2 Mexico . 1827 



Hitoheni . . Red . .7, S. Ev. 8. 2 . 1825 



horizontalis . 8. Ev. S. . 1=14 



hfirrida 3 . . Yellow . 7, S. Ev. 8. 14 S. Amer. . 1795 



imbricata . Yellow . 7, S. Ev. 8. 8 Mexico . 1820 



inermis . . Yellow . 7, S. Ev. 8. li 8. Amor. . 1796 



italics . . 8. Ev. 8. . 1835 



Kleinii . . 8. Ev. 8. . 1836 



lanceolata . Yellow . 7, 3. Ev. 8. 2 S. Amer. . 1796 



lasiacantha . 8. Ev. 8. . 1795 



leptocaulis . 8. Ev. S. . 1836 



leueacantha . White . 7, 8. Ev. S. 2 8. Amer. . 1825 



leucdtriche . White . 7, 8. Bv. 8. 3 Germany. 1836 



longisplna 4 . Yellow . 7, 8. Ev. S. 2 Brazil . 1829 



longissima . 8. Ev. 8. . 1835 



maxima . . Yellow . 6, S. Ev. 8. 8 8. Amer. . 1820' 



media . . . Yellow . 6, P. Ev. 8. 1 N. Amer. 1827 



megacantha . Yellow . 7, 8. Ev. S. 2 Mexico . 1835 



mexicana . Yellow . 8, 8. Ev. 8. 7 Mexico . 1835 



microdasys . 8. Ev.-S. . 1810 



minor . . S. Ev. 8. 



missouriensis Yellow . 6, H.Ev. 3. 2 IT. Amer. 1814 



monacantha . Yellow . 7, S. Ev. S. 2 8. Amer. . 1816 



myriacantha. Yellow . 7, 8 Ev. 8. 2 Mexico . 1830 



Napelillo . . S. Ev. 8. Mexico . 1888 



nigricans . . Pink . 8, 8. Ev. 8. 8 S. Amer. . 1795 



Parote . . 8. Ev. S. . 1825 



parvula . . S. Ev. 8. Chile . . 1825 



platyacantha Yellow . 7, S. Ev. 8. i 3. Amer. . Iijl4 



polyacantha J YeUow r> p Ev & j N Amer _ lgM 



polyantha . Yellow . 8, 3. Ev. S. 3 8. Amer. . 1811 



Pseudo-Tuna Yellow . 7, S. Bv. S. 2 8. Amer. . 1811 



pubescens . Yellow . 8, 3. Ev. 8. 2 8. Amer. . 1836 



pulvinata . 8. Bv. 8. Mexico . 1836 



pusilla . . Yellow . 6, 8. Ev. 8. i S. Amer. . 1805 



ramullfora . Yellow . 8, 3. Bv. 8. 1 Mexico . 1836 



reptans . . Yellow . 7, 8. Ev. 8. 2 Mexico . 1838 



r6sea . . . Rose . 6, 3. Ev. S. 2 Mexico . 1830 



rubeacens . Red . . 8, 8. Bv. 8. 2 Brazil . .1828 

 Sablni ... S. Ev. S. 



Salmiana . . Yel. red 8, 8. Ev. 8. 2 Brazil . . 1835 



senilis . . . Wt. red . 8, 8. Ev. 8. i Mexico . 1823 



sericea 8 . . Yellow . 7, S. Ev. 8. 1 Chile . . 1827 



spinaurea . Yellow . 9, 8. Ev. 8. 3 Mexico . 1838 



spinosfssima Yellow'. 7, S Ev. 8. 10 Jamaica . 1732 



spinulifera . Yellow . 7, 8. Ev. 8. 2 Mexico . 1836 



stapelise . . Yellow. 7, 8. Ev. 3. 2 Mexico .1830 



strfcta . . . Yellow . 7, G. Ev. 8. 3 . 1796 



subinermis . Yellow . 7, 8. Ev. S. 2 3. Amer. . 1819 



sulphurea . Yellow . 7, 8. Ev. 3. 2 Chile . . 1827 



tomentbsa . Yellow . 6, 8. Ev. S. 2 S. Amer. . 1820 



triacantha . Yellow . 7, S. Ev. 8. 2 8. Amer. . 



tuberculata . Yellow . 7, S. Ev. 8. i America . 1818 



Tima . . .Pa. yel. 7, 8. Ev. 8. 3 8. Amer. , 1731 



tunicata . . S. Ev. 8. . 1836 



virgata . . 8. Ev. 8. . 1836 



vulgaris 6 . Yellow . 7, F. Ev. S. 2 8. Eur. . 1596 



OptJNTlA. See Halymhiia Optintia. 



Orache. See Atriplex. 



Orange thorn. See Citriboatus. 



Orange-tree. See Citrus. 



Orania, Blume. From ouranos, heaven. Linn. 

 21, Or. 7, Nat. Or. Palmctcece. A dwarf 

 slender-growing palm, requiring similar treat- 

 ment to other stove palms. Synonymes: 1, 

 O. regilis, 0. carybla humilis. 

 porphyrocarpa 1 . Straw . 5, S. Palm. 8 Java . 1S40 



Orbea, Haworih. From orbis, an orb ; the orb 

 in the centre of the flower is large and ele- 

 vated. Linn. 5, Or. 2, Nat. Or. Asclepia- 

 dacece. A genus of interesting plants ; for 

 culture and propagation, see Stapllia. Syno- 

 nymes : 1, StapHia clypeata ; 2, varieg&ta ; 8, 

 maculosa; 4, muf&bilis; 5, rugdsa. 



apgulna . . Yel. str . 6, 8. Ev. 8. I C. Q. H. 1812 



bisolea . . Yel. str. . 7, 8. Ev. B, 1C.8.B. 1805 



bufonia . . Yel. str. . 7, S. Ev, 8. 1 C. G. H. 1806 



clypeata 1 . Yel. str. . 7, 8. Ev. 8.. i C. G. H. 1812 



conspurcata. Yel. str. . 7, 8. Ev. 8. i C. G. H. 1T95 



Curtlsii 2 ' . Yel. str. . 7, 8. Bv. 8. 1 C. G. H. 1690 



inodbra . . Yel. str. . 8, S. Ev. 8. J C. G. H. 1788 



lepida . . . Gm. str. . 7, S. Ev. S. J O. G. H. 



