258 325 



Mycologia 



Oenanthe aquatica 90 

 californica 90 



Onagra biennis (Oenothera biennis) 

 6, ii, 19, 20, 21, 22, 27, 28, 32, 

 52, 61, 66, 77, 85, 86, 94, 124, 145, 

 153, 158, i73, 184, 185, 199, 208, 



218, 234 

 pallida 207 



Onosmodium hispidissimum 180 



occidentale 179, 232 

 Orchis spectabilis 178 

 Ornithogalum bivalve 263 



umbellatum 263 

 Oryzopsis cuspidata 101 

 Oxalis Bowiei 68 



corniculata 68 



cymosa 17, 18, 32, 59, 61, 68, 78 



Ortigiesi 68 



violacea 46 

 Oxygraphis Cymbalaria 137, 147, 208, 



218 

 Oxypolis rigidus 89, 106 

 Oxytropis Lamberti 192 

 Panicularia americana 18 

 Panicum capillare II, 18, 32, 63, 82, 

 100, 121, 224, 251, 276 



virgatum 50, 60, 64, 67, 77, 105, 

 114, 123, 155, 181, 224, 269 

 Parthenium integrifolium 82, 92 

 Pastinaca sativa 89 

 Pentstemon alpinus 186, 200 



barbatus 186 



hirsutus (P. pubescens) 5, 6, 32, 33, 

 39, 42, 67, 87, 94, 122, 123, 186, 

 200 

 Petalpstemon purpureus 154, 155, 168, 



179, 180, 181 

 Phacelia bipinnatifida 101, 122, 154, 



155 



heterophylla 179, 232 



tanacetifolia 223 

 Phalaris arundinacea 180, 278, 284 

 Phaseolus diversifolius 36 

 Philadelphia coronarius 216, 217, 



219, 237, 247 

 Keteleerii 237, 247 



Phleum pratense 122 

 Phlox divaricata 17, 81, 181, 198 

 subulata 81 



Phragmites communis (P. Phrag- 

 mites) 2, 26, 29, 104, 114, 160, 

 174, 208, 218, 251, 294 

 Phryma leptostachya 99, III, 115, 



178 

 Physalis heterophylla 32 



pubescens 225 



sp. 180 

 Physalodes Physalodes 17, 32 

 Picea canadensis 17, 277 



mariana 195, 202 

 Pinus palustris 239, 248 



rigida 46 



taeda 198, 202, 211, 219, 238, 239, 

 243, 248 



virginiana 84, 94, 195, 202 

 Pisum sativum 182 

 Plantago aristata 24, 279, 284 



eriopoda 24 



lanceolata 23, 279, 284 



Purshii 24 



Rugelii 23, 28, 279 



virginica 23, 24 

 Poa compressa 19 



longiligula 101 

 Podophyllum peltatum 59, 61 

 Polemonium reptans 32, 45, 64, 65, 

 76, 81, 82, 99, 101, 122, 156, 162, 

 179, 181, 197, 198, 202, 261 

 Polygala Senega 45, 75. 76, 81, 82, 

 83, 99, 101, 154, 155, 162, 181, 

 182 

 Polygonatum biflorum 154, 278, 282, 

 284 



commutatum 180, 278, 282, 284 

 Polygonum amphibium 82 



aviculare 268, 273, 275 



emersum 18, 31, 53, 61, 69, 78 



pennsylvanicum 18 



scandens 81 



virginianum 18 

 Polymnia canadensis 82, 92, 101 

 Populus angulata 36 



angustifolia 36 



balsamifera 36 



canadensis 36 



deltoides 17, 35, 36, 42, 46, 60, 64, 



77 

 grandidentata 36 



