Heliotrope Valerian, plate 366, volume v 

 Hemlock, Mountain, plate 2.67, volume iv 

 Hemlock, Western, plate 168, volume iv 

 Hepatica, plate 12.5, volume 11 

 Hepatica americanaKer, plate 12.5, volume 11 

 Highbush Blackberry, plate 146, volume 11 

 Highbush Blueberry, plate 2.2.8, volume in 

 Holly, American, plate 2.66, volume iv 

 Hollygrape, Creeping, plate 30, volume 1 

 Honeysuckle, Bearberry, plate 60, volume 1 

 Honeysuckle, Douglas, (flower), plate 81, 



volume 11 

 Honeysuckle, Douglas, (fruit), plate 82., 



volume n 

 Honeysuckle, Trumpet, plate 46, volume 1 

 Hooded Ladies-tresses, plate 356, volume v 

 Hooded Pitcherplant, plate 2.51, volume iv 

 Hookera pauciflora (Torrey) Tidestrom, plate 389, 



volume v 

 Houstonia caerulea Linnaeus, plate 59, volume 1 

 Huckleberry, Box, plate 2.2.9, volume in 

 Hymenocallis rotata (Ker) Herbert, plate 154, 



volume 11 

 Hypopitys americana (De Candolle) Small, 



plate 157, volume 11 

 Hypopitys lanuginosa (Michaux) Nut tall, 



plate 113, volume in 



Lbidium cernuum (Linnaeus) House, plate 4, 



volume 1 

 lbidium gracile (Bigelow) House, plate 4, volume 1 

 lbidium strictum (Rydberg) House, plate 356, 



volume v 

 Ilex opaca Alton, plate 2.66, volume iv 

 Ilex verticillata (Linnaeus) Gray, plate 54, 



volume 1 

 Ilex vomitoria Aiton, plate 2.26, volume in 

 Indianpipe, plate 162., volume iv 

 Iris, Blueflag, plate 332., volume v 

 Iris, Crested, plate 33, volume 1 

 Iris cristata Aiton, plate 33, volume 1 

 Iris verna Linnaeus, plate 13, volume 1 

 Iris, Vernal, plate 13, volume 1 

 Iris 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 2.2.0, volume in 

 Juniper, Creeping, plate 379, volume v 

 Juniper, Mountain, plate 86, volume n 

 Juniperus horizpntalis Moench, plate 379, volume v 

 Juniperus sibirica Burgsdorf, plate 86, volume n 



j&^almia angustifolia Linnaeus, plate 326, volume v 

 Kalmia, Bog, plate 133, volume n 

 Kalmia latifolia Linnaeus, plate 221, volume in 

 Kalmia microphylla (Hooker) Heller, plate x84, 



volume iv 

 Kalmia polifoliaWangcnhcim, plate 133, volume 11 

 Kalmia, Rocky Mountain, plate 284, volume iv 

 Kraunhia frutescens (Linnaeus) Greene, plate 149, 



volume 11 

 Kruhsea, (flower), plate 56, volume 1 

 Kruhsea, (fruit), plate 56a, volume 1 

 Kruhsea streptopoides (Ledebour) Kearney, 



(flower), plate 56, volume 1 

 Kruhsea streptopoides (Ledebour) Kearney, (fruit), 



plate 56a, volume 1 



_L,abrador-tea, plate 62, volume 1 

 Ladder Gentian, plate 2.94, volume iv 

 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 n 

 Ladyslipper, Pale, plate 58, volume 1 

 Ladyslipper, Pink, plate 327, volume v 

 Ladyslipper, Ramshead, plate 2.16, volume in 

 Ladyslipper, Showy, plate 2.17, volume in 

 Ladyslipper, Small Yellow, plate 92, volume n 

 Lake Louise Arnica, plate 10, volume 1 

 Lambkill, plate 326, volume v 

 Lanceleaf Paintbrush, plate 102, volume n 

 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 iv 



