ONOSMODIUM 



609 



OPHRYS 



HARDY. 

 0. a'lbo-ro'seum (white-rosy). White, changing to rose. 



Asia Minor. 1890. 



a'lbum (white). See O. ALBO-ROSEUM. 

 arena'rium (sand). Europe. 

 Bourga'i (Bourgae's). Armenia. 

 bulbotri' chium (bulbous-haired). Persia. 

 calyci'num (large-calyxed). See O. VISIANII. 

 circina'tum (coiled). See O. BOURG^I. 

 conge' stum (crowded). See O. ALBO-ROSEUM. 

 divarica'tum (spreading). See ARNEBIA CORNUTA. 

 echioi'des (Echium-like). i. White. May. S.Europe. 



1683. " Golden Drop." 



arena'rium (sand), i. June. Hungary. 1804. 

 Emo'di (Mount Emodus). Pink. May. Himalaya. 



1851. 



,, frute'scens (shrubby). Greece. 

 gigante'um (giant). 3. April. Tauria. 1818. 

 Gmeli'ni (Gmelin's). See O. ECHIOIDES. 

 laco'nicum (Lacedaemonian). See O. STELLULATUM. 

 megalospe'rmum (large-seeded). See MEGACARYON 



ARMENUM. 



,, monta'num (mountain). See O. STELLULATUM. 



orienta'le (eastern). J. May. Levant. 1752. 



,, polyphy'llum (many- leaved), i. July. Tauria. 1829. 



seri'ceum (silky-leaved), June. Iberia. 1752. 



simplici' ssimum (simplest), i. April. Siberia. 1768. 



stellula'tum (small-starred). . April. Europe. 1819. 



,, helve' ticum (Swiss). 



tau'ricum (Taurian). See O. ECHIOIDES. 



Thompso'ni (Thompson's). See ECHIUM RUBRUM. 



,, vaude'nse (Vaudan). See O. ARENARIUM. 



vesti'tum (clothed). See O. EMODI. 



Visia'nii (Visiani's). Eastern Europe. 



ONOSMO'DIUM. (From Onosma, the last genus, and 

 eidos, like. Nat. ord. Borageworts [Boraginaceae]. Linn. 

 5-Pentandria, i-Monogynia. Allied to Echium.) 



Hardy herbaceous North American perennials, except 

 one, flowering in June ; thriving in sandy loam, and 

 propagated by seeds and division. 

 O. carolinia'num (Carolinian). See O. MOLLE. 

 ,, hi'spidum (bristly), i. Yellow. 1759. 

 mo'lle (soft). J. White. 1812. 

 strigo'sum (strigose). i. Yellow. Mexico. 1824. 



Half-hardy. 

 virginia'num (Virginian). See O. HISPIDUM. 



ONY'CHIUM. (From onux, a claw ; shape of the lobes 

 of the fronds. Nat. ord. Ferns [Filices]. Linn. 24- 

 Cryptogamia, i-Filices.) 



Stove Ferns, with yellowish-brown spores. See FERNS. 

 0. aura' turn (golden). July. Himalaya ; Malaya. 

 cape'nse (Cape). See O. JAPONICUM. 

 japo'nicum( Japanese). 1^-2. Brown. July. Japan; 



China ; N. India. 1844. 

 lu'cidum (shining). See O. JAPONICUM. 



OPERA GIRLS. Manti'sia saltato'r ia. 



OPERCULA'RIA. (From operctUum, a lid ; shape of 

 calyx. Nat. ord. Rubiads [Rubiaceae]. Linn. $-Pen- 

 landria, i-Monogynia. Allied to Pomax.) 



Greenhouse herbaceous, white-flowered perennials. 

 Seeds in spring, in a mild hotbed ; division of some of 

 the plants as growth commences ; cuttings of the young 

 shoots, best when several inches long ; sandy loam and 

 a little fibrous peat, and dried pieces of leaf -mould, and 

 a few pieces of charcoal ; a dry, cold pit or greenhouse 

 in winter. 

 0. a'spera (rough-seeded), i. June. Australia. 1790. 



diphy'lla (two-leaved). . June. Australia. 1824. 



hi'spida (bristly), i. July. Australia. 1790. 



ocymifo'lia (basil-leaved). See O. ASPERA. 



sessiliflo'ra (stalkless-flowered). See O. DIPHYLLA. 



OPHE'LIA. (From opheleia, serviceable ; medicinal. 

 Nat. ord. Gentianworts [Gentianaceae]. Linn. $-Pen- 

 tandria, 2-Digynia. See SWERTIA.) 

 0. ala'ta (winged). See SWERTIA ALATA. 



angustifo'lia (narrow-leaved). See SWERTIA ANGUSTI- 

 FOLIA. 



corymbo'sa (flat-topped). See SWERTIA CORYMBOSA. 



panicula'ta (panicled). See SWERTIA PANICULATA. 



purpura'scens (purplish). See SWERTIA PURPURASCENS. 



umbella'ta (umbelled). See SWERTIA CORYMBOSA. 



OPfflOCAU LON. (From ophis, a snake, and kaulos, 

 a stem ; in allusion to the twining stems. Nat. ord. 

 Passifloraceae.) 



Evergreen stove climber. Seeds ; cuttings of half- 

 ripe wood in sand, placed in a close case, with bottom- 

 heat. Fibrous loam, one-third peat or leaf-mould, and 

 sand. 



0. cissampeloi'desfcissampelos-Uke). Yellow-green. Trop. 

 Africa. 1871. 



OPHIOGLO'SSUM. (From ophis, a snake, and glossa, 

 a tongue ; in allusion to the tongue-like, fertile branch 

 of the frond. Nat. ord. Filices.) 



Hardy and stove ferns. See FER.VS. 

 0. bulbo'sum (bulbous). -\. N. Amer. Half-hardy. 

 lusita'nicum (Portuguese). J. Shores of Mediter- 

 ranean ; Guernsey. Hardy. 



palma'tum (hand-shaped). 1-2. Cuba to S. Brazil. 

 pendulum (drooping). Frond ribbon-like, pendulous, 



1-15. Polynesia to N.S. Wales. 



reticula'tum (netted). J-i. Tropics of both Worlds. 

 vulga'tum (common). J-f. Old and New World 

 (Britain). " Adder's Tongue." 



OPHIOPO'GON. (From ophis, a serpent, and pogon, 

 a beard. Nat. ord. Bloodworts [Haemodoraceae]. Linn. 

 6-Hexandria, i-Monogynia.) 



Herbaceous, white-flowered perennials, except where 

 otherwise mentioned. Division of the plant at the roots, 

 in spring, as vegetation is commencing ; also by seed ; 

 sandy loam and a little peat ; requires the protection 

 of a cold pit, or a very dry, sheltered place in winter in 

 cold parts of Britain, but hardy in the south, except 

 0. pro' lifer and 0. Regnie'ri. 



0. interme'dius (intermediate). August. NepauL 1824. 

 wallichia'nus (Wallichian). 

 ,, Jabu'ran (Jaburan). i. July. Japan. 1830. 

 variega'tus (variegated), i. Violet-blue. Leaves 



edged creamy-white. Japan. 1863. 

 japo'nicus( Japan). i. Lilac, yellow. June. Japan. 



1784. 

 arge'nteo-margina'tus (silvery-edged). White. 



Leaves edged with white. 

 pro'lifer (proliferous), ij. July. Penang. 1844. 



Greenhouse. 



Regnie'ri (Regnier's). i. Violet-white, tipped green. 

 Leaves marbled with yellow. Cochin-China. 1906: 

 spica'tus (spiked). See LIRIOPE SPICATA. 



OPHIO'PTERIS VERTICILLA'TA. See OLEANDRA 



NERIIFORMIS. 



OPHIORRHTZA. (From ophis, a snake, and rhiza, a 

 root, reputed cure for snake-bite. Nat. ord. Rubiaceae.) 



Greenhouse perennial herb. Seeds ; cuttings in sand 

 under a bell-glass. Loam, peat, and sand. 

 0. Mu'ngps (Mungos). 1-3. White, green, or rose. 

 India; Malaya. 



OPHIO'XYLON. (From ophis, a serpent, and xulon, 

 wood ; referring to its twisted roots. Nat. ord. Dog- 

 banes [Apocynaceae]. Linn. 2^-Polygamia, z-Dicecia. See 

 RAUWOLFIA.) 



O. ma' jus (larger). See RAUWOLFIA MAJOR. 

 serpenti'num (serpentine). See RAUWOLFIA SERPEN- 



TINA. 



O'PHRYS. (From ophrus, eyebrows ; referring to the 

 fringe of the inner sepals. Nat. ord. Orchids [Orchidaceae]. 

 Linn. 2o-Gynandria, i-Monandria.) 



Elegant little ground-orchids, chiefly natives of Eng- 

 land, but difficult to keep alive under cultivation. 

 Division of the tuberous-like roots ; also, most of the 

 hardy ones by seed, which should be sown as soon as 

 ripe, or permitted to sow itself by falling on loose, damp 

 moss, whence it may be moved, and finally planted after 

 growth has taken place. Api'fera prefers rich, heavy 

 soil ; most of the others, sandy, chalky loam, and a little 

 peat. Considering their interesting appearance, they 

 well deserve a frame or cold pit from amateurs, so that 

 they might receive similar attention to small alpines. 



HALF-HARDY. 

 0. arani'fera-limba'ta (bordered -spider -bearing). i. 



Brown. April. Rome. 1826. 



atra'ta (dark). J. Green, brown. May. Gibraltar. 

 1825. 



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