Part 71

Monotropa uniflora, 74

Myosotis laxa, 235

Nemopanthes fascicularis, 52

Nepeta Glechoma, 238

Nuphar advena, 128

Nymphæa odorata, 88

Oakesia sessilifolia, 50

Œnothera biennis, 157

Œnothera fruticosa, 157

Œnothera pumila, 157

Opuntia Rafinesquii, 138

Opuntia vulgaris, 138

Orchis spectabilis, 176

Orontium aquaticum, 126

Osmorrhiza longistylis, 97

Oxalis Acetosella, 62

Oxalis stricta, 156

Oxalis violacea, 236

Parnassia Caroliniana, 110

Pastinaca sativa, 126

Pedicularis Canadensis, 218

Penstemon digitalis, 254

Penstemon pubescens, 254

Phlox divaricata, 235

Phlox glaberrima, 235

Phlox maculata, 235

Phlox subulata, 235

Physalis Virginiana, 101