IPO 



OR, BOTANICAL DICTIONARY. 



I RI 



757 



11. Ipomoea Campanulata; Bell-flowered Ipomcea. Leaves 

 cordate ; peduncles many-flowered ; outer perianth orbicular ; 

 corollas bell-shaped, lobed, and thicker than in any of the 

 other species. Native of the East Indies. 



12. Ipomoea Violacea ; Purple-flowered Ipomcea. Leaves 

 cordate, quite entire ; flowers crowded ; corollas undivided. 

 The round green sarments or stalks of this plant mount 

 about any tree, shrub, or hedges, to a great height, clothing 

 them green, with their many branches and leaves ; flowers 

 pale purple, (Miller says blue, with their brims not angular, 

 but entire,) very large, bell-shaped; capsule brown, having 

 about rive valves. Native of the West Indies. 



13. Ipomoea Verticillata ; Whorl-flowered Ipomoea. Leaves 

 cordate ; peduncles axillary, in threes, reflex ; calices hispid. 

 Stem seeming to be decumbent, flexuose, half a foot high, 

 branched at the base. Native country unknown. 



14. Ipomoea Carnea; Flesh-colour-flowered Ipomcea. Leaves 

 cordate, smooth ; peduncles many-flowered ; corollas mar- 

 gined. Stem shrubby, in open places almost upright, and 

 supporting itself to the height of a man, but in woods climb- 

 ing twenty feet high ; flowers elegant, but void of smell, three 

 inches iu diameter, flesh-coloured, opening in succession ; 

 they appear in February and March. Capsules brown and 

 shining, containing bluckish seeds wrapped up in abundance 

 of brown ash-coloured wool. Native of sandy coppices near 

 Carthagena, on the coast of South America. 



15. Ipornoea Repanda ; Repand-leaved Ipomcea. Leaves 

 cordate, oblong, repand ; peduncles branched, in cymes; 

 stems round, twining. The plant is very smooth all over, 

 and probably annual ; the flowers are elegant, very shining 

 scarlet, inodorous, numerous, two inches in diameter, but 

 the segments being plaited on the sides, appear at first sight 

 much narrower and lanceolate. They appear in December 

 and January. -Native of Martinico, in coppices on the hills 

 near the town of Francis. 



16. Ipomcea Filiformis; Filiform Ipomcea. Leaves cor- 

 date, blunt, with a point, quite entire ; peduncles in racemes, 

 filiform. The whole plant is very smooth, and climbs up 

 shrubs to the height of ten feet; racemes axillary, very loose, 

 slender, and longer than the leaves, spreading out stiffiy ; 

 flowers purple, inodorous, very numerous ; capsules brown, 

 enclosing smooth black seeds. It flowers from November to 

 January, and is a native of woods, especially on the borders 

 of salt marshes in Martinico. 



17. Ipomoea Hastata; H 'albert-leaved Ipomcea. Leaves 

 sagittate, hastate ; peduncles two-flowered ; flowers yellow. 

 Native of Java. 



18. Ipomoea Sanguinea; 'Bloody-flowered Ipomcea. Leaves 

 cordate, three-lobed; side-lobes angular and sublobed behind; 

 peduncles three-flowered ; calices smooth. Stem twining, 

 angular, with decurrent lines. Native of Santa Cruz. 



19. Ipomoea Glaucifolia ; Glaucous Ipomcea. Leaves 

 sagittate, truncated behind ; peduncles two-flowered. Root 

 perennial; stem half a yard or more high, slender, twining; 

 flowers small, flesh-coloured, or very pale purple. Native 

 of Mexico. 



20. Ipomoea Triloba ; Thrce-lobed Ipomcea. Leaves three- 

 lobed, cordate; peduncles three-flowered. Root annual; 

 stem twining, angular, ten or twelve feet high ; corollas cylin- 

 dric, violet-coloured; stigmas two, globular; capsules hairy. 

 Native of the West Indies and Japan, where it flowers from 

 August to October. 



21. Ipomoea Parviflora; Small-flowered Ipomcea. Leaves 

 cordate, five-lobed, palmate; umbels axillary, peduncled; 

 calices and capsules hairy. Stem twining, smooth, triangular; 

 flov/ers purple. Native of Jamaica. 



VOL. i. 64. 



22. Ipomoea Hederifolia; Ivy-leaved Ipomcea. Leaves 

 three-lobed, cordate ; peduncles many-flowered, in racemes. 

 It is an annual. Native of South America. 



** Flowers aggregate. 



23. Ipomoea Hepaticifblia ; Hcpatica-leaved Ipaiiuea. 

 Leaves three-lobed; flowers aggregate; colour blue or pur- 

 ple. Native of Ceylon and Cochin-china. 



24. Ipomoea Tamnifolia ; Black Briony-leaved Ipomcea. 

 Leaves cordate, acuminate, hairy ; flowers aggregate, closely 

 heaped together in heads, and surrounded with many hairy 

 leaves; they are of a blue colour, soon withering, and becom- 

 ing brown or black, are very small, shou, divided into five 

 roundish segments, commonly plaited and converging, and 

 seldom expanding till about noon, when the sun shines hot. 

 Native of South Carolina. 



2.5. Ipomoea PCS Tigridis ; Palmated Ipomcea* Leaves 

 palmate ; flowers aggregate. The flowers are white, small, 

 rive or seven alternately in each head. Native of the East 

 Indies. 



26. Ipomoea Simplex ; Entire-leaved Ipomcea, Leaves lan- 

 ceolate, entire ; flowers solitary. Native of the Cape. 



27. Ipomoea Zeylanica; Ceylonese Ipomcea. Floralleaflet 

 under each calix one, lanceolate, sessile, permanent, three 

 times as long as the calix. The fruit of this species is pro- 

 perly a berry, fleshy, globular, mucronate at top. Native of 

 Ceylon, where it is named kiritidla. 



Iresine; a genus of the class Difficia, order Pentandria. 

 GENERIC CHARACTER. Male. Calix: perianth two- 

 leaved, very small, acute, glossy. Corolla: petals five, 

 sessile, lanceolate, erect ; nectary of five scales, the stamina 

 being interposed. Stamina: rilamenta five, upright; antheree 

 roundish. Female. Calix and Corolla: as in the male. 

 Pistil: germen ovate; style none; stigmas two, roundish. 

 Pericarp: capsule oblong-ovate. Seeds: few, downy. ES- 

 SENTIAL CHARACTER. Calix: two-leaved. Corolla: five 

 petalled. Male. Nectaries: seven. Female. Stigmas: 



two, sessile. Capsule: with tomentose seeds. The only 



known species is, 



1. Iresine Celosia. Stems weak, requiring support, r '"~'~tg 

 ten or twelve feet high, having large knots ateach joint, with 

 oval-lanceolate, or oval-entire smooth leaves; flowers termi- 

 nating in slender loose panicles, covered with a silky down, 

 and of a pale yellow colour; they appear in July and August, 

 and in w;irm seasons ripen seeds in autumn. A white wool 

 bursts out from among the scales, after the flowering time is 

 past. It is found upon a cretaceous soil in Jamaica, and 

 most of the other West India islands. 



Iris; a genus of the class Triandria, order Monogynia. 

 GENERIC CHARACTER. Calix: spathes bivalve, sepa- 

 rating the flowers, permanent. Corolla: six-parted; petals 

 oblong-obtuse, the three exterior ones reflex, the interior 

 upright and sharper: all connected at the claws into a tube 

 of different lengths in the different species. Stamina: fila- 

 menta three, awl-shaped, incumbent on the reflex petals ; 

 antheree oblong, straight, depressed. Pistil: germen infe- 

 rior, oblong ; style simple, very short ; stigmas three, petal- 

 form, oblong, carinated within, furrowed without, incum- 

 bent on the stamina, two-lipped; outer-lip smaller, emargi- 

 nate, inner larger, bifid, subinflected. Pericarp: capsule 

 oblong, cornered, three-celled, three-valved ; seeds several, 

 large. Observe. The nectary in the first nine species is a 

 longitudinal villose line, engraven on the base of the reflex 

 petals ; but in others it consists of three melliferous pores 

 at the base of the flower; the capsule in some is trigonal, 

 in others hexagonal. ESSENTIAL CHARACTER. Corolla 

 six-petalled, unequal petals alternate, jointed and spreading. 

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