Page:Parsons How to Know the Ferns 7th ed.djvu/246

 Ophioglossum vulgatum, 77

Osmunda cinnamomea, 60

Osmunda cinnamomea, var. frondosa, 62

Osmunda Claytoniana, 72

Osmunda regalis, 67

atropurpurea, 90

Pellæa gracilis, 87

Pellæa Stelleri, 87

Phegopteris Dryopteris, 190

Phegopteris hexagonoptera, 188

Phegopteris Phegopteris, 187

Phegopteris polypodioides, 187

Polypodium vulgare, 184

Pteris aquilina, 105

Pteris esculenta, 107

pusilla, 63

Scolopendrium scolopendrium, 150

Scolopendrium vulgare, 150

Alpina, 203

Woodsia glabella, 206

Woodsia hyperborea, 203

Woodsia Ilvensis, 200

Woodsia obtusa, 202

Woodwardia angustifolia, 102

Woodwardia Virginica, 136