296 



INDEX 



[444 



References to the Flora are in brackets \ 1 



micrantha 25, [61 



Osmorrhiza 182 



longistylis 23, 182 



obtusa 23, 182 



OXALIDACEAE 163 



Oxalis stricta 163 



Oxeye daisy 246 



common 246 



Oxypolis 183 



Fendleri 33,37, 183 



Oxyria 105 



digyna 41, 105 



Oxytropis deflexa 158 



Lamberti 159 



multiceps 158 



minor 158 



sericea 159 



splendens Richardsonii 159 



Oyster plant 255 



Ozomelis 137 



stenopetala 137 



Pachylobus 179 



hirsutus 179 



macroglottis 179 



montanus 179 



Paint brush 215 



Painted cup 18,27, 215 



Arapahoe 216 



cockscomb 216 



confused 216 



entire-leaved 216 



lance-leaved 216 



Rhexia-leaved 216 



subentire 216 



sulphur 216 



toad-flax-leaved 215 



filiform 215 



western 216 



yellow 216 



PALUDOSAE 31 32 



Paludose society 10 



PALUSTRES 10 



Palustrous flora 10, 37 



PANDANALES 55 



Panic-grass 57 



Scribner's 58 



Tennessee 58 



Panicularia 72 



Americana 11, 73 



borealis 11, 73 



Holmii 28, 73 



nervata 11,28, 72 



Panicum 57 



capillare 44, 57 



agreste 58 



occidentale 58 



Crus-galli 57 



sanguinale 



scoparium 



Scribnerianum 



Tennesseense 



virgatum 14, 



Papaver 



Argemone . 46, 



PAPAVERACEAE 



PAPAVERALES . . 



57 

 58 

 58 

 58 

 58 

 126 

 126 

 126 

 126 



Parasitic plants 43 



PARASITICALES 43 



Parasites 43 



102 

 102 

 102 

 139 

 139 

 139 

 139 

 112 

 112 

 112 

 184 

 184 

 184 

 181 



Parietaria 



obtusa 22, 



Pennsylvanica 22, 30, 



Parnassia 



fimbriata 33,37, 



PARNASSIACEAE 



Parnassus, grass of 



Paronychia 



Jamesii 15, 



pulvinata 41, 



Parsley 



Gray's 



hemlock 



PARSLEY FAMILY... 



Parsley-fern [50 



rock 

 Parsnip 



common 



cow 



water 



Parthenocissus vitacea 



Pasque flower 



American 



pink 



Pastinaca 



sativa 45, 



PEACH FAMILY 



Pear, prickly ,. 



Peraly everlasting 



false 



subalpine 



Pedicularia 



Grayi 32, 35, 



Parryi 40, 



procera 



racemosa 32, 



scopulorum 42, 



Pectianthia 



pentandra 33, 34, 37, 



Pellitory 



obtuse-leaved 



Pennsylvania 



Penny grass 



Colorado 



field 



50 



184 

 184 

 184 

 183 

 169 

 121 

 121 

 121 

 184 

 184 

 151 

 175 

 241 

 241 

 241 

 218 

 218 

 218 

 218 

 218 

 218 

 136 

 136 

 102 

 102 

 102 

 127 

 127 

 127 



