Papaw, plate 318, volume v 

 Parnassia fimbriata Konig, plate 343, volume v 

 Parnassia, Fringed, plate 343, volume v 

 Parrot Pitcherplant, plate 1.^6, volume in 

 Partridgeberry, plate 2.07, volume 111 

 Pasqueflower, American, (flower), plate 95, 



volume 11 

 Pasqueflower, American, (fruit), plate 96, 



volume 11 

 Passiflora incarnata Linnaeus, plate 314, volume v 

 Pearl Everlasting, plate 189, volume iv 

 Peatpink, plate 248, volume iv 

 Pea, White, plate 85, volume 11 

 Pedkularis bracteosa Bentham, plate 7-^%, volume iv 

 Pedicularis contort a Bentham, plate 12.1, volume 11 

 Pedkularis groenlandica Retz, plate 373, volume v 

 Pentstemon conjertus Douglas, plate 357, volume v 

 Pentstemon digitalis (Sweet) Nuttall, plate 2.09, 



volume in 

 Pentstemon eatonii Gray, plate 394, volume v 

 Pentstemon erianthera Pursh, plate 50, volume 1 

 Pentstemon, Fire, plate 394, volume v 

 Pentstemon, Foxglove, plate xo9, volume in 

 Pentstemon lyallii Gray, plate 346, volume v 

 Pentstemon, Menzies, plate 319, volume iv 

 Pentstemon men%iesii Hooker, plate 319, volume iv 

 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 3 50, 



volume v 

 Perennial Gaillardia, plate 354, volume v 

 Petalostemon pirpireum (Ventenat) Rydberg, 



plate 3x0, volume iv 

 Petasites hyperboreus Rydberg, plate 189, volume in 

 Phacelia, Gray, plate 178, volume iv 

 Phacelia linearis (Pursh) Holzinger, plate 197, 



volume in 

 Phacelia, Sand, plate 197, volume in 

 Phacelia sericea (Graham) Gray, plate 178, 



volume iv 

 Phlox, Blue, plate 2.45, volume iv 

 Phlox divarkata Linnaeus, plate 145, volume iv 



Phoradendron flavescens (Pursh) Nuttall, plate 2.65, 



volume iv 

 Phyllodoce empetriformis (Smith) Don, plate 74, 



volume 1 

 Physaria didymocarpa (Hooker) Gray, (flower), 



plate 167, volume in 

 Physaria didymocarpa (Hooker) Gray, (fruit), 



plate 168, volume 111 

 Picea engelmanni (Parry) Engelmann, plate 378, 



volume v 

 Pickerelweed, plate ^9, volume 1 

 Pinebarren Gentian, plate 8, volume 1 

 Pineland Aster, plate 160, volume 11 

 Pineland Blueberry, plate 2.30, volume 111 

 Pine, Limber, plate 188, volume 111 

 Pine, Loblolly, plate 335, volume v 

 Pine, Lodgepole, plate 101, volume n 

 Pine, Longleaf, plate 139, volume 11 

 Pinesap, Pale, plate 157, volume 11 

 Pinesap, Red, plate 2.13, volume in 

 Pine, Whitebark, plate 377, volume v 

 Pingukula elatior Michaux, plate 2.35, volume in 

 Pingukula vulgaris Linnaeus, plate 198, volume in 

 Pink Centaurium, plate 303, volume iv 

 Pink Fleabane, plate 61, volume 1 

 Pink Fumeroot, plate 5 , volume 1 

 Pink Ladyslipper, plate 3x7, volume v 

 Pink Mountainheather, plate 74, volume 1 

 Pink Pussy toes, plate 2.86, volume iv 

 Pinkshell Azalea, plate i53, volume iv 

 Pink Twistedstalk, plate 83, volume n 

 Pinus albkaulis Engelmann, plate 377, volume v 

 Pinus contorta murrayana (Balfour) Engelmann, 



plate 101, volume n 

 Pinus flexilis James, plate 188, volume in 

 Pinus palustris Miller, plate 139, volume n 

 Pinus taeda Linnaeus, plate 335, volume v 

 Pinxterbloom, plate 12.8, volume n 

 Pinxterbloom, Downy, plate 2.32., volume in 

 Pipsissewa, Western, plate 360, volume v 

 Pitcherplant, plate 51, volume 1 

 Pitcherplant, California, plate 390, volume v 

 Pitcherplant, Catesby, plate 400, volume v 

 Pitcherplant, Drummond, plate 32.9, volume v 

 Pitcherplant, Hooded, plate 2.51, volume iv 



