Sydenham Edwards, John Lindley

Hop-flowered Barleria (Hop-flowered Barleria)

Hopwood’s Hybrid Cinquefoil

Horned Oncidium (Horned Oncidium)

Horned Ophrys (Horned Ophrys)

Horn-flowered Air-plant (Horn-flowered Air-plant)

Humble Coburg-lily (Humble Coburg-lily)

Humble Greek Valerian (Humble Greek Valerian)

Humboldt’s Limnocharis

Humboldt’s Peristeria

Hybrid Narcissi (Hybrid Narcissi)

Imbricated Fabiana (Imbricated Fabiana)

Imbricated Iris (Imbricated Iris)

Imbricated Japan Rose (Imbricated Japan Rose)

Imbricated Pholidota (Imbricated Pholidota)

Imperato’s Crocus

Indian Chrysanthemum (Indian Chrysanthemum)

Indian Oenothera (Indian Oenothera)

Indian Pyracantha (Indian Pyracantha)

Insular Cirrhopetalum (Insular Cirrhopetalum)

Intermediate Petunia (Intermediate Petunia)

Intermediate Pimelea (Intermediate Pimelea)

Intoxicating Red Currant (Intoxicating Red Currant)

Irapean Lady’s Slipper or Pelican flower

Iridescent tradescantia (Iridescent tradescantia)

Ivory Angraecum (Ivory Angraecum)

Ivory-lipped Stanhopea (Ivory-lipped Stanhopea)

Jagged-leaved Cinquefoil (Jagged-leaved Cinquefoil)

Jag-leaved Desert-rod (Jag-leaved Desert-rod)

Japan Euonymus (Japan Euonymus)

Japan Hydrangea (Japan Hydrangea)

Japan Kerria (Japan Kerria)

Japanese Anemone (Japanese Anemone)

Japanese Bletia (Japanese Bletia)

Jasmine-leaved Bittersweet (Jasmine-leaved Bittersweet)

Jasmine-leaved Tecoma (Jasmine-leaved Tecoma)

Jatropha-leaved Stigmaphyllon (Jatropha-leaved Stigmaphyllon)

Javanese Acanthophippium (Javanese Acanthophippium)

Joyous Colombine (Joyous Colombine)

Kidney-leaved Villarsia (Kidney-leaved Villarsia)

Kindred Jasmine (Kindred Jasmine)

Knob-jointed Dipladenia (Knob-jointed Dipladenia)

Knotty Brasavola (Knotty Brasavola)

Kuhl’s Dendrobe

Lady Acland’s Cattleya

Lady Amherst’s Grobya

Lady Caroline’s Bignonia

Lady Dalhousie’s Dendrobium

Lady Harriot Stapleton’s Highclere Azalea