Papaw, plate 3x8, volume v 

 Parnassia fimbriata Konig, plate 343, volume v 

 Parnassia, Fringed, plate 343, volume v 

 Parrot Pitcherplant, plate Z36, volume in 

 Partridgeberry, plate Z07, volume in 

 Pasqueflower, American, (flower), plate 95, 

 volume 11 



Pasqueflower, American, (fruit), plate 96, 

 volume 11 



Passiflora incarnata Linnaeus, plate 3x4, volume v 

 Pearl Everlasting, plate 189, volume iv 

 Peatpink, plate Z48, volume iv 

 Pea, White, plate 85, volume 11 

 Pedicular is bracteosa Bentham, plate Z5 8, volume iv 

 Pedicularis contorta Bentham, plate 12.1, volume 11 

 Pedicularis groenlandica Retz, plate 373, volume v 

 Pentstemon confertus Douglas, plate 357, volume v 

 Pentstemon digitalis (Sweet) Nuttall, plate 109, 

 volume in 



Pentstemon eatonii Gray, plate 394, volume v 

 Pentstemon eriantbera Pursh, plate 50, volume 1 

 Pentstemon, Fire, plate 394, volume v 

 Pentstemon, Foxglove, plate Z09, volume 111 

 Pentstemon lyallii Gray, plate 346, volume v 

 Pentstemon, Menzies, plate 319, volume iv 

 Pentstemon menxiesii Hooker, plate 3 19, volume iv 

 Pentstemon, Prairie, plate 50, volume 1 

 Pentstemon, Purple, plate 346, volume v 

 Pentstemon, Wright, plate 386, volume v 

 Pentstemon ivrightii 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 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 111 

 Phacelia sericea (Graham) Gray, plate 2.78, 



volume iv 

 Phlox, Blue, plate Z45, volume iv 

 Phlox divaricata Linnaeus, plate Z45, volume iv 



Phoradendron flavescens (Pursh) Nuttall, plate 165, 

 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 in 



Picea engelmanni (Parry) Engelmann, plate 378, 

 volume v 



Pickerelweed, plate 19, volume 1 



Pinebarren Gentian, plate 8, volume 1 



Pineland Aster, plate 160, volume 11 



Pineland Blueberry, plate Z30, volume 111 



Pine, Limber, plate 188, volume m 



Pine, Loblolly, plate 335, volume v 



Pine, Lodgepole, plate 101, volume 11 



Pine, Longleaf, plate 139, volume 11 



Pinesap, Pale, plate 157, volume 11 



Pinesap, Red, plate Z13, volume in 



Pine, Whitebark, plate 377, volume v 



Pinguicula elatior Michaux, plate Z35, volume in 

 Pinguicula 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 3Z7, volume v 



Pink Mountainheather, plate 74, volume 1 



Pink Pussytoes, plate z86, volume iv 



Pinkshell Azalea, plate Z53, volume iv 



Pink Twistedstalk, plate 83, volume 11 



Pinus albicaulis Engelmann, plate 377, volume v 



Pinus contorta munayana (Balfour) Engelmann, 



plate 1 01, volume 11 

 Pinus fiexilis James, plate 188, volume in 

 Pinus palustris Miller, plate 139, volume 11 

 Pinus taeda Linnaeus, plate 335, volume v 

 Pinxterbloom, plate iz8, volume 11 

 Pinxterbloom, Downy, plate Z3Z, volume in 

 Pipsissewa, Western, plate 360, volume v 

 Pitcherplant, plate 5Z, volume 1 

 Pitcherplant, California, plate 390, volume v 

 Pitcherplant, Catesby, plate 400, volume v 

 Pitcherplant, Drummond, plate 3Z9, volume v 

 Pitcherplant, Hooded, plate Z51, volume iv 



