Papaw, plate 328, volume v 
Parnassia fimbriata Konig, plate 343, volume v 
Parnassia, Fringed, plate 343, volume v 
Parrot Pitcherplant, plate 236, volume 11 
Partridgeberry, plate 207, volume ut 
Pasqueflower, American, lower), plate 95, 
volume 11 
Pasqueflower, American, fruit), plate 96, 
volume 11 
Passiflora incarnata Linnaeus, plate 324, volume v 
Pearl Everlasting, plate 289, volume 1v 
Peatpink, plate 248, volume rv 
Pea, White, plate 85, volume 1 
Pedicularis bracteosa Bentham, plate 258, volume rv 
Pedicularis contorta Bentham, plate 121, volume 11 
Pedicularis groenlandica Retz, plate 373, volume v 
Pentstemon confertus Douglas, plate 357, volume v 
Pentstemon digitalis (Sweet) Nuttall, plate 209, 
volume 111 
Pentstemon eatonii Gray, plate 394, volume v 
Pentstemon erianthera Putsh, plate 50, volume 1 
Pentstemon, Fire, plate 394, volume v 
Pentstemon, Foxglove, plate 209, volume 11 
Pentstemon lyallii Gray, plate 3.46, volume v 
Pentstemon, Menzies, plate 319, volume rv 
Pentstemon menziesii Hooker, plate 319, volume 1v 
Pentstemon, Prairie, plate 50, volume 1 
Pentstemon, Purple, plate 346, volume v 
Pentstemon, Wright, plate 386, volume v 
Pentstemon wrightii Hooker, plate 386, volume v 
Pentstemon, Yellow, plate 357, volume v 
Peramium decipiens Hooker) Piper, plate 350, 
volume v 
Perennial Gaillardia, plate 354, volume v 
Petalostemon purpureum (Ventenat) Rydberg, 
plate 320, volume iv 
Petasites hyperboreus Rydberg, plate 189, volume 11 
Phacelia, Gray, plate 278, volume rv 
Phacelia linearis (Pursh) Holzinger, plate 197, 
volume 111 
Phacelia, Sand, plate 197, volume m1 
Phacelia sericea (Graham) Gray, plate 278, 
volume Iv 
Phlox, Blue, plate 245, volume 1v 
Phlox divaricata Linnaeus, plate 245, volume tv 
Phoradendron flavescens (Pursh) Nuttall, plate 265, 
volume Iv 
Phyllodoce empetriformis (Smith) Don, plate 74, 
volume 1 
Physaria didymocarpa (Hooker) Gray, Cflower), 
plate 167, volume ur 
Physaria didymocarpa Hooker) Gray, (fruit), 
plate 168, volume 11 
Picea engelmanni (Parry) Engelmann, plate 378, 
volume v 
Pickerelweed, plate 29, volume 1 
Pinebarren Gentian, plate 8, volume 1 
Pineland Aster, plate 160, volume 11 
Pineland Blueberry, plate 230, volume m 
Pine, Limber, plate 188, volume m1 
Pine, Loblolly, plate 335, volume v 
Pine, Lodgepole, plate ror, volume 1 
Pine, Longleaf, plate 139, volume 1 
Pinesap, Pale, plate 157, volume 11 
Pinesap, Red, plate 213, volume m1 
Pine, Whitebark, plate 377, volume v 
Pinguicula elatior Michaux, plate 235, volume 111 
Pinguicula vulgaris Linnaeus, plate 198, volume 11 
Pink Centaurium, plate 303, volume 1v 
Pink Fleabane, plate 61, volume 1 
Pink Fumeroot, plate 5, volume 1 
Pink Ladyslipper, plate 327, volume v 
Pink Mountainheather, plate 74, volume 1 
Pink Pussytoes, plate 286, volume rv 
Pinkshell Azalea, plate 253, volume rv 
Pink Twistedstalk, plate 83, volume 1 
Pinus albicaulis Engelmann, plate 377, volume v 
Pinus contorta murrayana (Balfour) Engelmann, 
plate ror, volume nm 
Pinus flexilis James, plate 188, volume m1 
Pinus palustris Miller, plate 139, volume 1 
Pinus taeda Linnaeus, plate 335, volume v 
Pinxterbloom, plate 128, volume 1 
Pinxterbloom, Downy, plate 232, volume m1 
Pipsissewa, Western, plate 360, volume v 
Pitcherplant, plate 52, volume 1 
Pitcherplant, California, plate 390, volume v 
Pitcherplant, Catesby, plate 400, volume v 
Pitcherplant, Drummond, plate 329, volume v 
Pitcherplant, Hooded, plate 251, volume 1v 
