ONO 



403 



OPE 



. Yol.pur. 7, H. 



Yellow . 6, H. 



Yellow . 8, H. 

 . Purple . 7, G. 

 . Yellow . 8, H. 

 . Yellow . 6, P. 

 . Yellow . 8, H. 

 . Purple . 7, H. 

 . Yellow . 7, S. Ev. 

 . Yellow . 7, P. Ev. 

 . Pink . 6, H. 

 . Pink . 5, H. Ev. 



]• Pur. red 6, H. Ev. 



geminindra . Purple . 7, H. A. 



gfctbra. . .Yellow. 7. G. Ev. Tr 

 htrta . . . Blue . 7, H. Her. P. 



hispanica . 

 hlspida . 

 longifdlia . 

 minutfsai- ) 

 nia 4 . . j 

 oligophylla 

 parvmbra 



Yellow . 7, P. Ev. 

 Yellow . 7, P. Ev. 

 Yellow . 7, P. Ev. 



Yellow . 6, P. 



i Barbary . 



" Spain . . 



S. Bur. . 



C. G. H. . 



Spain . . 



Algiers . 



. Naples . 



i Italy . . 



i Maurit. . 



S. 14 S. Eur. . 



A. ' Morocco . 



8. 1J S. Eur. . 



S. 2J Arragon . 



4 Spain . . 



i C. G. H. . 

 1 8. Eur. . 

 8. li Spain . . 

 8. 1 Barbary . 

 8. 2 Teueriffe. 1816 



1818 

 1828 

 1800 

 1800 

 1820 

 1818 

 1832 

 18-20 

 1825 



1813 

 1680 



1817 

 1824 

 1816 

 1799 

 1818 



. White . 7, H. 



. White . 7, G. 

 peduncularis Wht ro. 7, F. 

 pendula . . Purple . 7, H. 

 picta . . . Pur.yel. 7, F. 

 procurrens . Purple . 7, H. 

 raniosfssima . Yellow 

 rotundifdlia . Fink 



Ev. 



aristata 

 sfcula . . 

 tribracteata . 

 tridentata . 

 villdsa . . , 



Pink 

 Yellow 

 Pink 

 Purple . 

 Purple 



7, P. 



5, H. Ev. 



6, H. Ev. 



7, H. 

 6, H. Ev. 



6, H. Ev. 



7, G. Her. 



B i S. Prance 1818 



A. 1 Naples . 1823 



A. i C. G. H . 1818 



8. 1 Teneriffe. 1829 



A. H 8. Eur. . 1818 

 Her. P. 1 Barbary . 1820 

 Her. P. 1 Europe . 1820 

 Ev. 8. 4 Sicily. . 1819 



S. 1 J Pyrenees. 1570 



S. 1 



A. 4 Sicily . 



S. 1J 8. Eur. 



8. l| Spain . 



P. 1 C. G.H. 



1817 

 1800 

 1752 

 1820 



alopecuroides, altissima 1, antiqu&rum 2, ce- 

 nisia, c. snbaristdia, c&rtvm, CherUrii, Oolitmnce, 

 crispa, mitHssima, monophylla, ndtrix, ornitho- 

 podioldes, pallida, pinguis 5, pubtscens, recti- 

 nata, ripens, spindsa 6, s. dlba, striata 7, 

 wmbelldta, vaginalis, variegata, viscdsa. 

 Onof<5rdon, Linn. From onos, an ass, and 

 perdo, to destroy ; referring to the supposed 

 effects on the ass. Linn. 19, Or. 1, Nat. Or. 

 Asteracece. Eather interesting plants, of com- 

 mon cultivation. See Berardia, Carduus, 

 and Bhapdnticum. 



acanthium . . Purple 7, H. 



acaulon . . . White 7, H. 



arabicum . . Purple 7, H. 



cynaroldes . . White 6, H. 



elatum . . . Purple 7, H. 



grascum . . . Purple 7,'H. 

 heteracanthum Purple 7, H. 



illyricum . . Purple 7, H. 

 macracahthum Purple 7, H. 



pyrenalcum . White 8, H. 



tauricum . . Purple 7, H. 



uniflbrum . . White 7, H. 



vlrens . . . Purple 7, H. 



, . Purple 7, H. 



B. 6 Brit, banks 

 B. i Pyrenees 1739 

 B. 8 S. Eur. . 16S6 

 B. 8 Caucasus 1823 

 B. 6 Greece . 1816 



A. 8 Levant . 1799 



B. i S. Eur. . 1836 

 B. 6 S. Eur. . 1640 



A. 6 Barbary. 1798 



B. i Pyrenees 1820 

 B. 8 Tauria . 1800 

 B. J Spain . 1826 

 B. 4J Montpl .1818 

 B. 6 S. Eur. . 1818 



On<5seris, De. Candolle. Linn. 19, Or. 1, Nat. 

 Or. Asteracece. Synonymcs: 1, Atrdctylis pur- 

 purata ; 2, Chcetachlcena odorata. See Centro- 



Cumingii . White . 7, H. A. 2 Peru . . 1832 



purpurita 1 Purple . 7, F. Her. P. 2 S. America 1827 

 odorata 2 . Bed . .8, G. A. 1J Chili . . 1830 



OnosmA, Linn. From onos, an ass, and osme, 

 smell ; said to be grateful to the ass. Limn. 

 5 Or. 1, Nat. Or. Boraginacece. These are 

 extremely pretty plants when in blossom, and 

 are well adapted for growing on rock-work or 

 wall-tops, in which places they should be 

 sown, where they will afterwards maintain 

 themselves if allowed to scatter their seeds. 



The stove and greenhouse species must be 

 kept in pots. Synonyme : 1, O. arenarium. 



divaricatum . Yellow . 5, H. Her. P. 1 Caucasus 1818 



echioldes . White . 6, H. Her. P. 1 S. Eur. . 1683 



arenarium 1 Yellow . 6, H. Her. P. 1 Hungary 1804 



emodi . . Yellow . 5, H. Her. P. 1 



gigantfeum . Yellow . 4, H. Her. P. 1 Tauria . 1818 



Gmellni . . Striped . 6. H. Her. P. 1 Altai . . 1829 



orientale . . Yellow . 6, H. Her. P. J Lovant . 1752 



polyphyllum Yellow . 7, H. Her. P. 1 Tauria . 1829 



rigidum . . Pa yd . 7, H. Her. P. 1 Tauria . 1826 



rupestre . . Yellow . 5, P. Her. P. J Iberia . 1819 



sericeum . . Yellow . 6, H. Her. P. i Iberia . 1752 



setosum . . Yellow . 6, H. Her. P. 1 Kussia . 1838 



simplicissi- l Yellow _ 4 H Her p j Siberia , ms 



mum . . f ' 



stellulatum . Yellow . 4, H- Her. P. i Hungary 1819 



tauricum . . Yellow . 5, H. Her. P. i Caucasus 1801 



tinct&rium . Yellow . 5, H. Her. P. J Caucasus 1826 



tricerosper- j Yellow , 5 H . Her. P. i Spain . 1824 



mum . . ) 



trinervium . Yellow . 5, S. Her. P. 1 S. Amer. 1824 



Onosm6dium, Michaux. From oittsma, and 

 eidos, liko ; from the similarity of the plants 

 to those of Onbsma. Linn. 5, Or. 1, Nat. Or. 

 •Boraginacece. Ornamental plants ; for culture 

 and propagation, see On6sma. Synonymes : 1, 

 PHrshia hlspida ; 2, P. mdllis. 

 hispidum 1 . Yellow . 6, H. Her. P. I N. Amer. 1759 

 m611e 2 . . . White . 6, H. Her. P. J N. Amer. 1812 



Onychium, Kaulf. Linn. 24, Or. 1, Nat. Or. 

 Polypodiacece. Stove ferns. Synonymes: 1. 

 Ptiris chrysocarpa, Lomaria aiirea, L. carui- 

 fdlia, Alldsorus auratus ; 2, Leptostegia licida. 

 auritum 1 . Brown . 7, S. Her. P. 1 N. S. W. 

 capense . Brown . 7, S. Her. P. 14 C. G. H. 



ro.cidum2 .Yellow . 7, 8. Her. P. 1 Nepaul.1844 



Onygena, Persoon. From onyx, a hoof, and 

 genas, an offspring. Linn. 24, Or. 9, Nat. 

 Or. Helvellacece. This minute autumnal species 

 is found on decaying hoofs and horns of animals 

 — equlni. 



Opaltjs. See Acer dpalus. 



Opaque, dark, destitute of transparency. 



Opegrapha, Persoon. Fronl ope, a chink, and 

 grapho, to write ; cracks upon the surface of 

 the thallus. Linn. 24. Or. 9, Nat. Or. Graphi- 

 dacece. These plants are found on the bark of 

 trees, on stones, &c, at all seasons of the year 

 — aphrea, calcarea, cerebrina, denigrata, did- 

 phora, dispdrata, epipdsta, herpitica, macu- 

 l&ris, microscopica, nimbdsa, nbtha, Persobnea, 

 saxigina, stenocarpa, sulcata, tesserata, venbsa, 

 vulgata. 



Opera-girls. See Mantisia saltatdria. 



OperculARIa, Richard. From operculum, a 

 lid ; in allusion to the operculate calyx. 

 Linn. 5, Or. 1, Nat. Or. Cmckonacece. Pretty 

 plants, easily cultivated in a mixture of loam, 

 peat, and saud ; and young plants are ob- 

 tained from cuttings under a glass. Syno- 

 nymes: 1, dspera diphylla. See Gryptosp&r- 

 mum. 



aspera . . . White . 6, G. Her. P. 1 N. Hoi. . 1790 

 htspida 1 . . White . 7, G. Her. P. 1 N. Hoi. . 1790 

 Lamarcki&na White . 7, H. A. f N. S. W. . 1825 

 ocymif 61ia White . 7, S. Her. P. J B. Ind. . 1824 

 sessiliflbra . White . 6, G. Her. P. i C. Q. H. . 1824 

 umbellata . White . 6, G. Ev. S. 1 N. Hoi. . 1826 



Opercularia. See Pbmcac. 

 Operculate, covered with a lid. 



d d 2 



