ISN 



306 



ISO 



IsnArda, Linn. In memory of Antoine Dante 

 Isnard, member of the Academy of Sciences. 

 Linn. 4, Or. 1, Nat. Or. Ormgr&cece. Mere 

 weeds, found in marshy situations — aUemifblia, 

 palHstris. 



IsocArpha, R. Brown. From isos, equal, and 

 karphe, chaff; regularity of the chaff of the 

 receptacle. Linn. 19, Or. 1, Nat. Or. Aste- 

 rheece. An uninteresting plant, of common 

 cultivation— oppositifilia. 



IsochIlus, R. Brown. From isos, equal, and 

 cheilos, a lip. Linn. 20, Or. 1, Nat. Or. Or- 

 chiddceoz. The flowers produced by these 

 plants are very insignificant. For culture and 

 propagation, see Stanhbpea. 



carnosaefldrus . Purp. 11, S. Epi. £ Honduras . 1841 

 grandifldrus . Pur. yl. 5, S. Epi. \ Peru ._ . 184U 

 graminifdlium . Gr.yel. 5, S. Epi. % Jamaica . 1823 

 fusifdrmis . . Yel. . 7, S. Epi. % Trinidad, 

 lineare . . . Pink . 4, S. Epi. \ Martinique 1791 

 lividum . . . Livid . 6, S. Epi. \ Mexico, 

 prollterum . White . 5, S. Epi. \ Jamaica . 1793 



Isochr6ma, Benth. From isos, equal, and 

 chrome, colour. All the species known have 

 the same coloured flowers. Linn. 5, Or. 1, 

 Nat. Or. Solanctcece. The only species intro- 

 duced is a handsome shrub, which grows freely 

 out of doors in summer, but requires shelter 

 in winder. Early in spring before the buds put 

 out it should be pruned back freely, and it will 

 then flower profusely. It readily strikes from 

 cuttings planted in sandy soil under a glass. 

 Synonyme; 1, JLabrothdmnus cyaneus. 

 tubuldsa 1 . . Grn. vio. 7, P. De. 8. 6 Loxa . .1843 



IsoETES, Linn. From isos, equal, and etos, the 

 year ; plant the same throughout the year. 

 Linn. 24, Or. 4, Nat. Or. I/ycopodidcece. A 

 curious little aquatic, found in some lakes in 

 this country, 

 lacustris . . Brown 7, H. Aq.. P. i Brit., lakes. 



Is<5lepis, R. Brown, From isos, equal, and 

 lepis, a scale ; alluding to the regularity of the 

 scales. Linn. 3, Or. 1, Nat. Or. Cyperacece. 

 Curious species, growing freely in any com- 

 mon soil, and increased by seeds, suckers, and 

 divisions. Synonymes : 1, Scirpus flibitcms ; 2, 

 S. grdcilis ; 3, S. dinsus. 

 australiB . . Apetal 7, Grass. 3 

 cbmplanata . Apetal 7, Grass, 

 fluitaus 1 . . Apetal 7, Grass. 

 Holoschamus Apetal 7, Grass. 3 

 nod6sa 2 . . Apetal 7, Grass 1J N. Holland . 1820 

 romana . . Apetal 7, Grass. 3 Austria, 

 setacea . . Apetal 7, Grass. ± Britain, bogs, 

 tenuissima 3 . Apetal 7, Grass, i Nepal . . . 1821 



angulari*, curviflbra, EhrenMrgii, grdcilis, 



Micheli&na, publgera, Savidna, supina, Vdlhii. 



IgOL&MA, /. Smith. From isos, equal, and 



S. Europe. 

 E. Indies . . 1823 

 Brit., ditches. 

 Eug., sea sh. 



loma, an edge. Linn. 24, Or. 1, Nat. Or. 

 Polypodiacece. Tropical ferns. 



divergens . . Brn.yel. 7, S. Her. P. 1 Malacca, 

 lanuginbsa . Brown . 7, 8. Her. P. 1 E. Indies. 



Isol6ma. See Oisnera. 



Is6meris, Nutt. Derived from isos, equal, and 

 meris, part ; the petals are regular, and the 

 stamens and pistils of equal length. Linn. 6, 

 Or. 1, Nat. Or. Capparidacece. An upright 

 growing shrub, bearing yellow flowers emit- 

 ting a disagreeable smell. It may be readily 

 propagated by cuttings, 

 arborea . . Yel. . 6, H. De. 8. 1 California . 1839 



IsoNANDRA, Wight. See MimHsnps. 



Isopetalum, Sweet. See Pelargonium. 



Isoplexts, Lindley. Derived from isos, equal, 

 and pleco, to plait ; on account of the upper 

 segment of the corolla being equal in length to 

 the lip. Linn. 14, Or. 2, Nat. Or. Scrophula- 

 ri&cece. This is a genus of remarkably showy 

 plants when in blossom. They grow well in a 

 light rich soil, and may be increased either by 

 cuttings under a glass, or by seed. Syno- 

 nymes: 1, Digitalis canariinsis ; 2, D. scip- 

 trum. 



canariensis 1 . Yel, . 6, G. Ev. 8. 3 Canaries . 1698 

 sceptrum 2 . Yel.brn. 7, G. Ev. 8. 2 Madeira . 1777 



IsopbGON, R. Brown. Derived from isos, equal, 

 and pogon, a beard. Linn. 4, Or. 1, Nat. Or. 

 Proteaceoz. A line genus of evergreen shrubs, 

 invariably from New Holland ; for culture, &c, 

 see Protect. Synonyme : 1, Prdtea, divaricata. 



IsopVrum, Linn. From isos, equal, and pyros, 

 wheat ; the Greeks gave this name to a plant 

 resembling Nigilla, the seeds of which have 

 the same taste. Limn. 13, Or. 6, Nat. Or. 

 RanmwulacecB. Pretty plants, succeeding with 

 the simplest cultivation in loamy soil, and 

 increased by seeds. /. thalictroides may be 

 also increased by divisons. 



fnmarioldes . Wht.gr. 6, H. A. 1 Siberia . 1741 



grandifldrum White . 6, H. Her. P. 1 Altai . . 1804 

 thalictroides . Wht.gr. 4, H. Her. P. j Italy . . 1759 



IsbRA. See Helicteres Jsbra. 



Is6toma, Don. From ism, equal, and toma, 

 a section ; the flowers are equal. Linn. 5, 

 Or. 1, Nat. Or. Lobeliacece. A genus nearly 

 related to Lobilia, and requiring exactly the 



