_Pteris aquilina_, 20, 195 Pudding Grass, 132 Puff-Balls, 151. _See_ Polypores =Purple-Fringed Orchises=, 65. See _Orchis_ and _Habenaria grandiflora_, and _H. psycodes_ Purple-Stemmed Cliff-Brake, 188, 195 Purple Grackel, 237 Putnam Valley (N. Y.), 163; swamp of, 164; railroad, 164 _Pyrola rotundifolia_, 187 Q Quaker Meeting-House (mentioned by Hawthorne), South Adams (Mass.), 214 Quaking ground, 64 =Queen of the Lady’s Slipper=, 6; haunts, 68. _See_ Moccasin-Flower, and _Cypripedium reginæ_ R Rabbit Plain, 139, 171, 175 Rafinesque, botanist, quoted on the sight of fences, 65 Ragged Mountains, base of Mount Greylock (Mass.), 13, 111, 212, 215 _Ranunculaceæ_, 5, 171 =Ram’s-Head Cypripedium=, botanical description, 243. _See_ Lady’s Slipper or Moccasin-Flower and _C. arietinum_ =Rattlesnake Plantain=, generic description, 269 Downy Rattlesnake Plantain, 270 Menzies’ Rattlesnake Plantain, 271 Small One-Sided or Net-Leaf Rattlesnake Plantain, 270 White-Blotched Rattlesnake Plantain, 272 Rattlesnake Swamp, Mount Œta (Vt.), 133, 139, 148, 175, 185, 186, 207, 211, 220; Rattlesnake Ledge, 59, 133; Lloyd Spring, 62; polypores, 151 Ray, a little lad of my acquaintance, 49 Readsboro (Vt.), 224 Redmen, 14, 17 Reindeer Moss, 186 Revolving Stones, Pot-hole formations, 190. _See_ Pot-holes Rhododendron, Great, 6 _Rhodora Canadensis_, 6 _Rhus_, Poison, 35, 63 Richardson, Dr. John, quoted on Arctic Orchids (1823), 60 Richmond’s Farm, White Oaks, 183 Riverside, Williamstown (Mass.), 197 _Robinson’s Garden_, cited on name “Dead-Men’s-Thumbs,” 110 Rocking Boulders or Stones, origin of, 199 Rocky Hollow, base of the Dome, 115, 207; road through, 208, 211 Rock Pinks, 157, 161, 165 Rose Family, 119 _Ros Solis_, ancient name for Sundew (1578), 194 Royal-Fern, 12 Rue-in-the-Wall, Spleenwort, 188, 200, 212 Ruffled Grouse, 174 Ruskin, John, quoted, 201 Ruta-Muraria, 194, 195. _See_ Rue-in-the-Wall S Sabrina, 21 Saddleback Mountain, North Adams (Mass.), 11; Hawthorne’s description of, 215; Thoreau’s mention of sunrise, 219 Salt Meadows, New Haven (Conn.), 125; New Jersey, 231, 237 _Sanguinaria Canadensis_, 164 Saratoga, hills of, 98; battle of, 97 _Sarcodes sanguinea_, 165 _Sarracenia purpurea_, 32. _See_ Pitcher Plant Sassafras, 186 _Satyrion Erythronium_, ancient name of Dog’s-Tooth Lily, 126, 127, 128 _Satyrion Royall_, ancient name of Purple-Fringed Orchises, 110; palmate roots of, 111; perfume of, 111 Saucy Jays, 149 Schaghticoke (N. Y.), site of ancient Indian village, 218 Scudder, Dr. S. H., cited on fertilization of _Pogonia_, 94 Sedges, 187 _Selurus noveboracensis_, 177 _Senecio aureus_, 162 September, month of, 237; dates, 9th, 213; 15th, 153