ISM 



[ 810 ] 



ISO 



rative name. Nat. ord., Composites I 

 [Asteracete]. Linn., H)-8yngenesia 2- ; 

 Supcrf.ua.} 



This should be united to Chrysanthemum. \ 

 Half-hard}" evergreen shrub. Seeds, in spring, ; 

 in a gentle hotbed ; cuttings of firm side young 

 shoots in summer ; sandy loam. Winter temp., 

 35 to 40. 



I. JHudere'nsis (Madeira). 2. Straw. May. 

 Madeira. 1834. 



ISME'NE. Peruvian Daffodil. (After 

 Ismene, the daughter of <Edipus and 

 Jocasta. Nat. ord. r AmarylUds [Ama- 

 ryllidaceee] . Linn., ti-Ifvxandrial-Mo- 

 noyynia. Allied to Choretis.) 



" Absolute rest in winter is essential to this 

 genus." They should be planted out in a 

 border in April, and taken up when the frost 

 cuts the leaves ; deep sandy soil suits them best. 

 Offsets. 



/. Ama'ncees (Amancaes). 2$. Yellow. June. 

 Peru. 1804. 



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



June. Brazil. 1800. 



defle'xa (turned-down). Yellow. June. 



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



Florida. 1836. 



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



Lima. 1837. 



nu 1 tans (nodding). 2j. White June. 



Brazil. 1800. 



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



1836. 



ISOCHT'LTTS. (From -isos, equal, and 

 chc'dus, a lip. Nat. ord., Orchids [Or- 

 chidacece]. Linn., 2Q-Gynandria \-Mo- 

 'iifindria. Allied to Cop.logyne.) 



Stove orchids ; cultivated like the first section 

 of Ctelogyne. 



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

 November. Honduras. 1841. 



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



July. Trinidad. 



graminifo'lium (Grass-leaved). . Green, 



yellow. May. Jamaica. 1823. 



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



ISOLO'MA. (From Isos, equal, and 

 Iowa, an edge ; referring to the edges 

 of the fronds. Nat. ord., I'oli/jinds 

 [ PolypodiaceiB]. Linn., &L-t'ryplii</<intiu 

 KRI&ifr.) 



Stove Ferns. See Ferns. 



I. dine'rgefu (wide-spread). Bro\vn, yellow. 

 July. Malacca. 



iunugino'sa (woolly). Brown. July. East 



Indies. 



Iso'aiEiiiK. (From isos, equal, and 

 mcris, a part; referring to the petals, 

 with the stamens and pistils, which are 

 of equal length. Nat. ord., (Jufijjftrids 

 [Capparida<V!t i ]. Linn., {\-Jlt:r<tndrin 

 ' >> <'k-omf>.) 



Hardy deciduous shrub. Cuttings of the ripe 

 young shoots, in autumn ; sandy loam and a 

 little leaf-mould. The flowers are anything 

 but sweet. 



I. arbo'rea (tree-like). 10. Yellow. May. 

 California. 1839. 



ISOXA'XDRA. Gutta Percha Tree, 

 (From iso.s, equal, and under, the male 

 organ, or stamen ; referring to an equal 

 numher of fertile and barren stamens. 

 Nat. ord., Sujpotads [Sapotacea)]. Linn., 

 ^-Penliindria \-Monoyynia. Allied to 

 Bumelia.) 



An evergreen tree, supposed to be propagated 

 by cuttings, requiring stove treatment, and light 

 soil, consisting of sandy peat and fibry loam. 

 I. Gu'tta (Gutta Percha'). Borneo. 1847. 



ISOPLE'XIS, (From isos, equal, and 

 pleco, to plait ; the upper plait or seg- 

 ment of the flower heing of equal 

 length with the lip. Nat. ord., Fiywo-rts 

 [Scrophulariaceffi]. Linn., 1-I)idyn<t- 

 miu 2-AiujUmpermla. Allied to the 

 Foxglove.) 



Greenhouse evergreen shrubs. Seeds, and 

 cuttings of half-ripened short shoots, in spring, 

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

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

 Z. Canarie'nsis (Canary). 4, Yellow. June. 

 Canaries. 16Q8. 



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



July. Madeira. 17/7- 



ISOPO'GON. (From /.w., equal, and 

 pogon, a beard ; referring to the beard- 

 like fringes on all parts of the inflo 

 rescence. Nat. ord., Prof cads [Protea- 

 n .1 . Linn., -i-Ttirandria l-$onogynia. 

 Allied to Protea.) 



Greenhouse evergreen shrubs from New Hol- 

 land. Cuttings of ripe young 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, fibry peat one part, charcoal, 

 broken freestone, and broken crocks one part ; 

 good drainage ; watering must be given with 

 great attention, as great dryness or much 

 moisture are alike ruinous. Summer temp., 50 

 to /5 ; winter, 35 to 45. In summer, it the 

 plants are out of doors, the sun should not 

 strike freely on the sides of the pot. 

 /. anemonifu'liiis (Anemone-leaved). 5. Yellow. 

 July. 1791. 



Ba'xteri (Baxter's). 2. Hose. April. 1831. 



co'rnigcr (horned). 



dicaricn 1 tns (spreading). 3. Pale. May. 



)fc'.i4. 



formo'siis (handsome). 4. Hose. April. 1805. 



'l(ingifo'/iits (long-leaved), it. Yellow. AprO. 



