ISO 



[462] 



1TE 



J. Ama'nciKS (Amancees). 2. Yellow. June. 

 Peru. 1804. 



calathi'num (cup-flowered). 2j. White. June. 



Brazil. 1800. 



defiefxa (turned-down). Yellow. June. 



Kni'ghtii (Knight's). 2. White. March, 



Florida. 1836. 



Maclea'na (M'Lean's). 2. White. June. 



Lima. 1837. 



nu'tans (nodding). 2. White. June. Brazil. 



1800. 



proli'fera (proliferous). Yellow. June. Peru. 

 1836. 



vire'scens (greenish). l. Greenish-white. 



July. Cusco. 1840. 



Isocm'iiUS. (From isos, equal, and 

 cheilos, a lip. Nat. ord., Orchids [Orchi- 

 dacese]. Linn., 2Q-Gynandria i-Monan 

 dria. Allied to Coalogyne.) 



Stove orchids ; cultivated like the first section 

 of Ccelogyne. 



I. carnosaflo'rus (fleshy-flowered). l. Purple 

 November.- Honduras. 1841. 



fusifo'rmis (spindle-rooted). . Yellow. July 



Trinidad. 



graminifo'lium (grass-leaved). . Green : 



yellow. May. Jamaica. 1823. 



grandiflo'rus (large-flowered). Peru. 1840. 



ISOLD 'MA. (From isos, equal, and 

 loma, an edge; referring to tbe edges oi 

 the fronds. Nat. ord., Polypods [Polypo- 

 diacese] . Linn., Z-Cryptogamia l-Filiccs.} 



Stove Ferns. See FERNS. 

 I. divefrgens (wide-spread). Brown, yellow. July. 

 Malacca. 



lanugino'sa (woolly). Brown. July. E. Ind. 



ISO'MEEIS. (From isos, equal, and 

 mem, a part; referring to the petals, with 

 the stamens and pistils, which are of 

 equal length. Nat. ord., Capparids [Cap- 

 paridacese]. Linn., Q-Hexandria 1-Mo- 

 nogynia. Allied to Cleome.) 



Hardy deciduous shrub. Cuttings of the ripe 

 young shoots, in autumn; sandy loam and a little 

 leaf-mould. The flowers are anything but sweet. 

 JT, arbo'rea (tree-like). 10. Yellow. May. Ca- 

 lifornia. 1839. 



ISONA'NDRA. Gutta Percha-tree. (From 

 isos, equal, and ander, the male organ, or 

 stamen ; referring to an equal number of 

 fertile and barren stamens. Nat. ord., 

 Sapotads [Sapotacea}]. Linn., 5-Pentan- 

 dria 1-Monogynia. Allied to Bumelia.) 



An evergreen tree, supposed to be propagated 

 by cuttings, requiring stove treatment, and light 

 oil, consisting of sandy peat and fibry loam. 

 /. gu'tta (guttajjerc/m). Borneo. 1847. 



ISOPLE'XIS. (From isos, equal, and 

 pleco, to plait ; the upper plait or segment 

 of the flower being of equal length with 

 the lip. Nat. ord., Fiyicorts [Scrophula- 

 riacess]. Linn., ll-Didynam-ut Z-Angio- 

 spermia. Allied to the Foxglove.) 



Greenhouse evergreen shrubs. Seeds and cut* 



tings of half-ripened short shoots in spring, ha 

 sand, under a bell-glass ; sandy loam and rough 

 leaf-mould. Winter temp., -40 to 45. 

 I. Canarie>nsis (Canary). 4. Yellow. June. 

 Canaries. 1698. 



sce'ptrum (sceptre). 2. Yellow, brown. July. 



Madeira. 1777. 



ISOPO'GON. (From isos, equal, and 

 pogon, a beard; referring to the beard- 

 like fringes on all parts of the inflores- 

 cence. Nat. ord., Proteads [Proteacese]. 

 Linn., k-Tetrandria 1-Monogynia. Allied 

 to Protea.) 



Greenhouse evergreen shrubs, from New Hol- 

 land. Cuttings of ripe youne; shoots, with most 

 ' of the leaves left, inserted firmly in silver sand, 

 over sandy loam and peat, and covered with a 

 bell-glass or hand-light, and kept in the shade ; 

 when the cuttings are callusing at the bottom, 

 they may be pushed on by giving them a little 

 mild bottom-heat, but not before; fibry loam 

 three parts, fihry peat one part, charcoal, broken 

 freestone, and broken crocks one part; good 

 drainage ; watering must be given with great at- 

 tention, as much dryness or much moisture are 

 alike ruinous. Summer temp., 50 to 75; winter, 

 35 to 45. In summer, if the plants are out of 

 doors, the sun should not strike freely on the 

 sides of the pot. 



/. anemonifo 1 lius (anemone-leaved). 5. Yellow. 

 July. 1791- 



Bn'xteri ; (Baxter's). 2. Rose. April. 1831. 



co'rniger (horned). 



divarica'tus (spreading). 3. Pale. May. 1824. 



forma'sus (handsome). 4. Rose. April. 1805. 



longifo'Uus (long-leaved). 3. Yellow. April. 



1823. 



Loudo'ni (London's). 4. Purple. June. 1830. 



ro'seits (rose-coloured). Rose. 1840. 



sca'ber (rough-/eaued). 3. Lilac. April. 1842. 



spatula 1 ris (spatulate-Jeayerf). Purple. 

 linea'ris (narrow). 2. Purple. September. 



1830. 



sphceroce'phalus (round-headed). 4. Yellow. 



March. 



ISO'TOMA. We have not separated this 

 genus from Lobelia. 



ISO'TROPIS. (From isos, equal, and 

 tropos, turned; referring, probably, to 

 the distinctly-forked veins in the flower. 

 Nat. ord., Leguminous Plants [Fabaceae]. 

 Linn., IQ-D.ecandria 1-Monogynia. Allied 

 to Oxylobium.) 



Greenhouse evergreen shrub. Cuttings of the 

 young shoots, when getting a little firm, in sand, 

 over sandy peat, and covered with a bell-glass, in 

 June ; sandy peat, with a little fibry loam, pieces 

 of charcoal, and broken crocks; drainage and 

 watering must be particularly attended to. Win- 

 ier temp., 40 to 48; summer, a shady place, or 

 i cold pit, where the plant partly, and the pot 

 wholly, are sheltered from the sun's rays. 

 I. striu'ta (streaked-flowered). 1. Orange. June. 

 Swan River. 1838. 



I'TEA. (The Greek name for the 

 Willow, applied to this genus on account 

 of its rapid growth in damp soil. Nat. 

 ovd.,,Escalloniads [Escalloniaceae], Linn., 



