Pitcherplant, Parrot, plate Z36, volume 111 

 Pitcherplant, Sweet, plate 2.50, volume iv 

 Plum, Chickasaw, plate 130, volume 11 

 Plume Anemone, (flower), plate 163, volume in 

 Plume Anemone, (fruit), plate 164, volume in 

 Podophyllum peltatum Linnaeus, plate 143, volume 11 

 Pogonia divaricata (Linnaeus) Robert Brown, 



plate Z4Z, volume iv 

 Pogonia ophioglossoides (Linnaeus) Ker, plate 2.18, 



volume in 

 Pogonia, Rose, plate zi8, volume in 

 Pointvetch, Alpine, (flower), plate z8z, volume iv 

 Pointvetch, Alpine, (fruit), plate Z83, volume iv 

 Polycodium stamineum (Linnaeus) Greene, 



plate 13Z, volume 11 

 Polygala, Fringed, plate 135, volume 11 

 Poly gala lutea Linnaeus, plate Z57, volume iv 

 Polygala, Orange, plate Z57, volume iv 

 Polygala paucifolia Willdenow, plate 13 5 , 



volume 11 



Pontederia cordata Linnaeus, plate Z9, volume 1 

 Poppy, Mexican, plate 393, volume v 

 Porteranthus trifoliatus (Linnaeus) Britton, 



plate Z5Z, volume iv 

 Potentilla fruticosa Linnaeus, plate 77, volume 1 

 Potentilla glaucophylla Lehmann, plate Z96, 



volume iv 



Potentilla uniflora Ledebour, plate i8z, volume 111 

 Prairie Aster, plate 118, volume 11 

 Prairieclover, Purple, plate 3Z0, volume iv 

 Prairie Pentstemon, plate 50, volume 1 

 Prairie-smoke, plate 53, volume 1 

 Prairie Thistle, plate 309, volume iv 

 Prickly Currant, (flower), plate 66, volume 1 

 Prickly Currant, (fruit), plate 67, volume 1 

 Pricklypear, Missouri, plate 35, volume 1 

 Primrose, Alberta, plate Z74, volume iv 

 Primrose, Evening, plate 388, volume v 

 Primula maccallianaWiegand, platez74, volume iv 

 Prunus angustifolia Marshall, plate 130, volume 11 

 Pseudotsuga mucronata (Rafmesque) Sudworth, 



plate Z70, volume iv 

 Ptarmiganberry, plate 355, volume v 

 Pulsatilla ludoviciana (Nuttall) Heller, (flower), 



plate 95 , volume 11 



Pulsatilla ludoviciana (Nuttall) Heller, (fruit,) 



plate 96, volume 11 

 Pulsatilla Occident alis (Watson) Freyn, (flower), 



plate 163, volume in 

 Pulsatilla occidentalis (Watson) Freyn, (fruit), 



plate 164, volume in 

 Purple Butterwort, plate Z3 5 , volume 111 

 Purple Mountain Violet, plate 181, volume in 

 Purple Pentstemon, plate 346, volume v 

 Purple Prairieclover, plate 3Z0, volume iv 

 Purple Saxifrage, plate 4Z, volume 1 

 Pussy-ears, plate z, volume 1 

 Pussytoes, Buff, plate 171, volume 111 

 Pussytoes, Gray, plate 104, volume 11 

 Pussytoes, Pink, plate z86, volume iv 

 Pussy Willow, plate izz, volume 11 

 Pygmy Andros ace, plate 185, volume in 

 Pyrola chlorantha Swartz, plate 113, volume 11 

 Pyrola, Green, plate 113, volume 11 

 Pyrola minor Linnaeus, plate 17Z, volume 111 

 Pyrola secunda Linnaeus, plate Z85, volume iv 

 Pyrola, Sidebells, plate Z85, volume iv 

 Pyrola, Small, plate 17Z, volume in 

 Pyxidanthera harbulata Michaux, plate IZ4, 



volume 11 

 Pyxie, plate 1Z4, volume 11 



C^uakerladies, plate 59, volume 1 

 Quamasia quamash (Pursh) Coville, plate 358, 

 volume v 



Queencup, (flower), plate Z03, volume 111 

 Queencup, (fruit), plate Z04, volume 111 

 Quill-leaf Tillandsia, plate 399, volume v 



Rabb itbean, plate 44, volume 1 



Ragged Fringe-orchid, plate Z15, volume 111 



Ramshead Ladyslipper, plate zi6, volume 111 



Ranunculus suksdorjii Gray, plate 114, volume 11 



Raspberry, Whiteflowering, plate 341, volume v 



Rattlesnakeplantain, Western, plate35o, volume v 



Rayless Groundsel, plate 93, volume 11 



Red Buckeye, plate 47, volume 1 



Redbud, plate z6, volume 1 



Red Chokeberry, (flower), plate 31, volume 1 



Red Chokeberry, (fruit), plate 31a, volume 1 



