RAPHONTICUM 



739 



RHIPSALIS 



RHAPO'NTICUM. (From rha, rhubarb, and ponticus, 

 Pontic. Nat. ord. Composites [Composite]. Linn. 19- 

 Svngenesia, ^-Frustranea. See CENTAUKEA. 

 R. Palla'sii :(PaUas's). See CENTAUREA RHAPONTICUM. 

 pu'lchrun: (pretty). See CKNTAI-REA PULCHRA. 

 scar to' sum (membranous). See CENTAUREA RHAPON- 

 TICUM. 



lyra'tum (lyre-leaved). See CENTAUREA RHAPON- 

 TICUM. 

 nntflo'rum (one-flowered). See CENTAUREA MON- 



ANTHA. 



RHA'ZYA. (The Arabian name. Nat. ord. Apo- 

 cynace.T.) 



" Hardy, evergreen, resembling a Periwinkle, but the 

 stems are more erect. Divisions ; cuttings in sandy soil, 

 under a hand-light. Ordinary soil. 

 R. orienta'lis (oriental). Bright blue to dark violet. 



Greece, &c. 1889. 

 strt'cta (erect). Blue. Arabia and Afghanistan. 



RHEE'DIA. (Named after RJieede, author of the 

 Hortus Malabar icus. Nat. ord. Guttifers [Guttifera?]. 

 Linn. i2-Icosandria, $-Polygynia.) 



Stove evergreen. Cuttings of shoots, rather ripe, in 

 sand, under a bell-glass, and in a moist bottom-heat ; 

 sandy loam and fibrous peat. Winter temp., 50 to 55 ; 

 summer, 60 to 85. 

 R. java'nica (Javanese). Java. 1826. 

 lateriflo'ra (side-flowering). Trop. Amer. 



RHE'UM. Rhubarb. (From Rha, the Russian name 

 of the river Wolga, near which the Rhubarb was found. 

 Nat. ord. Buckwheats [Polygonaceae]. Linn. g-Ennean- 

 dria, -2-Trigynia.) 



Hardy herbaceous perennials. Seeds in spring, and 

 division of the plant then, just as the buds begin to 

 swell ; deep, rich, loamy soil. See RHUBARB. 

 R. acumina'tum (long-pointed). 3. Purple. Himalaya. 



1851. 

 Alexandra (Queen Alexandra's). 3-4. Pale yellow 



bracts. June. W.China; Tibet. 1909. 

 ,, austra'le (southern). See R. EMODI. 

 austn'acum( Austrian). 5. White. May. Austria. 1800. 

 ca'spicum (Caspian). See R. TATARICUM. 

 collinia'num (Collinian). China. 1883. 

 compa'ctum (compact). 3. White, green. May. 



Tartary. 1758. 



cri' 'spurn (curled). 5. White. May. 1800. 

 Emo'di (Mount Emodus). 5-10. White. Himalaya. 

 fenestra'tum (windowed). 6. White. May. 1780". 

 Franzenba'chii (Franzenbach's). Temperate Asia. 

 hy'bridum (hybrid). 5. White, green. May. Asia. 



1778. 

 inopina'tum (unexpected). 6-12. Red or crimson. 



Tibet. 1908. 

 leucorrhi'zum (white- rooted). Striped. May. Siberia. 



1827. 



macro' pterum (large- winsed) . Origin doubtful. 

 moorcro/tia'num (Moorcroftian). Himalaya. 1895. 

 no'bile (noble). 3-4. Himalaya. 1875. 

 nu'tans (nodding- flowered). See R. COMPACTUM. 

 officinei'le (shop). 6-8. Green. Tibet. 1871. 



" Medicinal Rhubarb." 

 palma'tum (hznd-leaved). 5. White, green. June. 



China. 1763. 

 ,, tanghu'ticvm (Tanghutic). Green. N.W. China. 



1875. 



Picho'nii (Pichon's). Tibet. 

 Rhapo'nticum (Rhapontic). 4. White, green. May. 



Siberia. 1573. " Garden Rhubarb." 

 Ri'bes (cumni-leaved). 2. White, green. May. 



Levant. 1724. 



rothea'num (Rothean). Garden origin. 

 r:<?o'swm (wrinkled). Origin doubtful. 

 sibt'ricum (Siberian). See R. RHAPONTICUM. 

 spicifo'rme (spike-formed). Himalaya. 

 tita'ricum (Tartarian). 3. White, green. May. 



Tartary. 1793. 

 undula'tum (wave-tear^). 4. White, green. May. 



Siberia, &c. 1734. 

 webbia'num (Webbian). Himalaya. 



RHE'XIA. " Deer Grass." (From rhexis, a rupture ; 

 supposed cure for ruptures. Nat. ord. Mrlastomads 

 [MelastomaceaeJ. Linn. &-Ociandria, i-Monogynia.) 



Hardy herbaceous North American plants, blooming 

 in July. Division and cuttings under a hand-li^ht ; 

 peat and loam. Most of the perennials will succeed in 

 a peat-border. 



R. Acisanthe'ra (Acisanthera). See ACISANTKERA QUAD- 

 RATA. 



,, an%ustifo'lia (narrow- leaved). See R. LAVCF.OLATA. 



cilio'sa (hair-fringed), i. Purple. 1812. 



slomera'ta (clustered). See PTEROLEPIS GLOMERATA. 



holoseri 'ceo, (wholly-silky). See TIBOUCHINA HOLO- 

 SERICEA. 



, lanceola'ta (lance-shaped). J. White. 1812. 



, maria'na (Maryland). }. Purple. 1759. 



, rube'lla (reddish), j. Pink. 1823. 



, vimi'nea (twiggy). See TIBOUCHINA VIMINEA. 



, virgi'nica (Virginian). J. Purple. 1759. 



RHINACA'NTHTJS. ( From rhin, a nose, and A canthus ; 

 the corolla has a beak-like upper lip. Nat. ord. Acan- 

 thaceae. Allied to Adhatoda.) 



Stove shrub. Cuttings in sand in a close case with 

 bottom-heat. Fibrous loam, leaf-mould, and sand. 

 ^?. commu'nis (common). 2. White. June. India; 



Malaya. 1790. " Ringworm Root." 

 ,, .Vdsu'/a (large-nosed). See R. COMMUNIS. 



RHINA'NTHUS. (From rhin, a nose, and anthos, a 

 flower; the flower is beak-like. Nat. ord. Scrophu- 

 lariace<e.) 



Hardy annuals, living upon the roots of grass. Seeds. 

 Moist soil amongst grass. 



R. Cri'sta-ga'lli (cock's-crest). i. Yellow, with two 

 blue spots. June to August. Europe (Britain). 

 " Yellow Rattle." 



ma'jor (greater). r. Orange-yellow. August. 

 Europe (Britain). 



RHINCHOGLO'SSUM. See RHYNCHOGLOSSUM. 



RHINOPE'TALUM. (From rhin, a nose, and petalon, 

 a petal ; base of the upper sepal. Nat. ord. Lilyuvrts 



\ [Liliaces]. Linn. 6-Hexandria, i-Monogynia. Referred 



j to Fritillaria.) 

 R. Kareli'ni (Kareline's). See FRITILLARIA GIBBOSA. 



RH3PIDO PTERIS. (From rhipis, a fan, and pteris, 

 a fern ; formation of the fronds. Nat. ord. Ferns 

 [Filices]. Linn. 24'Crypiogamia, i-Filices.) 

 R. bifurca'ta (two-forked). See ACROSTICHUM BIFUR- 



CATUM. 



fcenicitla'cea (fennel-leaved). See ACROSTICHUM 



FOJNICULACEUM. 



pelta'ta (shield-leaved). See ACROSTICHUM PELTATUM. 

 ,, triparti'ta (three-parted). See ACROSTICHUM FLABEL- 



LATUM TRIPARTITUM. 



RHIPO'CrONUM. (From rhipos, flexible, and gonos, a 

 shoot. Nat. ord. Lilyworts [Liliaceae]. Linn. 6-Hex- 

 andria, i-Monogynia.) ' 



Greenhouse, white-flowered, evergreen climbers. Cut- 

 tings of side-shoots, when 3 inches in leneth, taken off 

 close to the stem, in sand, under a bell-glass, in May ; 

 fibrous loam, a little peat, sand, and charcoal, and well- 

 drained. Winter temp., 40 to 48. 

 R. a'lbum (white). 3. June. Australia. 1820. 



parviflo'rum (small-flowered). See R. SCANDENS. 



,, sca'ndens (climbing). 2. June. New Zealand. 1820. 



RHI'PSALIS. (From rhips, a willow-branch ; refer- 

 ring to the flexible branches. Nat. ord. Indian Figs 

 [Cactacea?]. Linn. iz-Icosandria, i-Monpsvnia.) 



Greenhouse succulents. Cuttings, dried at the base 

 for a few days before inserting in rough gravel or brick- 

 rubbish ; sandy loam, brick-rubbish, and leaf-mould. 

 Winter temp., 40 to 35 ; summer, 60 to 85. 

 R. aculea'ta (prickly). Whitish. Stems 8-10 angled. 



Argentina. 1892. 

 a'nceps (two-edged). Stems flat, yellow-white. Brazil. 



1892. 



brachia'ia (forked). See R. SAGLIONIS. 

 capillifo'rmis (hair-formed). White. Stems short, 



slender, drooping. Brazil. 1892. 

 Casxy'tha (Cassytha). i. Yellow. September. W. 



Ind. 1758. 

 ro'sea (rosy). 



caverno'sa (hollow). Stems flat. Brazil ; Paraguay. 

 1890. 



