Heliotrope Valerian, plate 366, volume v 
Hemlock, Mountain, plate 267, volume iv 
Hemlock, Western, plate 268, volume 1v 
Hepatica, plate 125, volume 1 
Hepatica americana Ker, plate 125, volume 11 
Highbush Blackberry, plate 146, volume 1 
Highbush Blueberry, plate 228, volume m 
Holly, American, plate 266, volume tv 
Hollygrape, Creeping, plate 30, volume 1 
Honeysuckle, Bearberry, plate 60, volume 1 
Honeysuckle, Douglas, (lower), plate 8r, 
volume 1 
Honeysuckle, Douglas, (fruit), plate 82, 
volume 11 
Honeysuckle, Trumpet, plate 46, volume 1 
Hooded Ladies-tresses, plate 356, volume v 
Hooded Pitcherplant, plate 251, volume 1v 
Hookera pauciflora (Torrey) Tidestrom, plate 3809, 
volume v 
Houstonia caerulea Linnaeus, plate 59, volume 1 
Huckleberry, Box, plate 229, volume m1 
Hymenocallis rotata (Ker) Herbert, plate 154, 
volume 11 
Hypopitys americana (De Candolle) Small, 
plate 157, volume m 
Hypopitys lanuginosa (Michaux) Nuttall, 
plate 213, volume 11 
Leidium cernunm (Linnaeus) House, plate 4, 
volume 1 
Tbidium gracile Bigelow) House, plate 4, volume 1 
Ibidium strictum (Rydberg) House, plate 356, 
volume v 
Ilex opaca Aiton, plate 266, volume 1v 
Ilex verticillata (Linnaeus) Gray, plate 54, 
volume 1 
Ilex vomitoria Aiton, plate 226, volume m1 
Indianpipe, plate 262, volume 1v 
Iris, Blueflag, plate 332, volume v 
Iris, Crested, plate 33, volume 1 
Tris cristata Aiton, plate 33, volume 1 
Tris verna Linnaeus, plate 13, volume 1 
Iris, Vernal, plate 13, volume 1 
Tris versicolor Linnaeus, plate 332, volume v 
Ivory Baneberry, plate 73, volume 1 
J ack-in-the-pulpit, plate 331, volume v 
Jeffersonia diphylla (Linnaeus) Persoon, plate 72, 
volume 1 
Jessamine, Carolina, plate 220, volume 11 
Juniper, Creeping, plate 379, volume v 
Juniper, Mountain, plate 86, volume 11 
Juniperus horizontalis Moench, plate 379, volume v 
Juniperus sibirica Burgsdorf, plate 86, volume 1 
Kunin angustifolia Linnaeus, plate 326, volume v 
Kalmia, Bog, plate 133, volume 1 
Kalmia latifolia Linnaeus, plate 221, volume 111 
Kalmia microphylla (Hooker) Heller, plate 284, 
volume tv 
Kalmia polifolia Wangenheim, plate 133, volume 11 
Kalmia, Rocky Mountain, plate 284, volume rv 
Kraunhia frutescens (Linnaeus) Greene, plate 149, 
volume 11 
Kruhsea, (flower), plate 56, volume 1 
Kruhsea, (fruit), plate 56a, volume 1 
Kruhsea streptopoides (Ledebour) Kearney, 
Cflower), plate 56, volume 1 
Kruhsea streptopoides (Ledebour) Kearney, (fruit), 
plate 56a, volume 1 
Weradomren plate 62, volume 1 
Ladder Gentian, plate 294, volume 1v 
Ladies-tresses, Hooded, plate 356, volume v 
Ladies-tresses, Nodding, plate 4, volume 1 
Ladies-tresses, Slender, plate 4, volume 1 
Ladyslipper, Mountain, plate 1, volume 1 
Ladyslipper, Northern, plate 91, volume 11 
Ladyslipper, Pale, plate 58, volume 1 
Ladyslipper, Pink, plate 327, volume v 
Ladyslipper, Ramshead, plate 216, volume 111 
Ladyslipper, Showy, plate 217, volume 11 
Ladyslipper, Small Yellow, plate 92, volume 11 
Lake Louise Arnica, plate 10, volume 1 
Lambkaill, plate 326, volume v 
Lanceleaf Paintbrush, plate 102, volume 1 
Lappula diffusa (Lehmann) Greene, plate 351, 
volume v 
Larch, Lyall, plate 381, volume v 
Larch, Western, plate 269, volume iv 
Large Purple Fringe-orchid, plate 243, volume 1v 
