GEOGRAPHY OF CENTRAL FLORIDA 301

Phosphate deposits, mining, rock, etc., Plate rock phosphate, 157
 28-30, 81, 95, 101, 102, 116, 130, 156- Plautus inipennis, 229
 158, 169, 174, 209, 225, 230, 231, 234, Pleistocene strata, 36, 136, 143, 156, 165,
 282, 283, 285 225
Phosphatic soils, phosphorus in soils, Pliocene strata, 36, 95, 119, 130, 156,
 126, 132, 138, 140, 170, 174, 217 157, 226
Phragniites, 201 "Plummer" soils, 131
Piaropus, 91, 100, 126, (199) Plums, 103, 136
Pieris nitida, go, 94, 125, 126, 133, 139, Poison ivy, 90, 1oo, io6, 115, 125, 133,
 141, 148 139, 148
Pierson (Volusia Co.), 288 Poison oak, 100
Pigeon plum, 206 / Polecats, 225
Piles, piling, 221 Poles (cypress), 212, 221
Pin-down, 126, 139 Polk County, 81, 119, 120-122, 125, 130,
Pineapples, 143, 153, 172 132, 134, 141, 161, 203, 208, 228, 281
Pine-barrens of New Jersey, 209 (See also Auburndale, Bartow,
Pinellas County, 84, 85, 87, 95, 102, 130, Florence Villa, Fort Meade, Haines
 132, 134, 164, 168, 178, 189, 205, 242, City, Iron Muountain, Lakeland, 253 (See also Clearwater, Dunedin, Lake Wales, Mulberry, Peace RivEspiritu Santo, Largo, Long Key, er, Winter Haven)
 Oldsmar, Pass-a-Grille, St. Peters- Polygala cymnosa, 94, 139, 141; Rugelii,
 burg, Sutherland, Tarpon Springs) 134, 139, 141
Pines, 107, 122, 127, 140, 172-174, 176, Polypodium polypodioides, 91, 116
 219, 281 (See also Black, Long- Pompano (fish), 231
 leaf, Short-leaf, Slash, Spruce pine) Pond cypress, go, 94, 99, 124, (130, 131), Pine-straw roads, 81, 221, 285 132, (136), 138, (140), 178, 211,
 212, 219, 221
Pinus Caribaea, 86, go, 124, 126, 131, Ponds, 93, 95, 130, 167, 178
 132, 138, 140, (147), 148, 207, (208), Pontederia, 91, 94, 116, 125, 126, 133,
 211, 219; clausa, 86, go, (98), 99, 139, 140, 199, 200
 124, 126, 132, 138, 141, (145), 148, Poor grub, 94, 125, 133, 139, 148
 (186), 210, 219, Elliottii, go, c4' Population, information about, 80, 234124, 126, 132, (136), 138, 140, 211, 257
 219; palustris, go, 94, (97, 98), 99, Porcelain clay, 158 (See Kaolin)
 (ioi), i06, 115, (121, 123), 124, Port Orange, 150
 132, (137, 138), 143, (147), 148, Port Tampa, 134, 240
 (173, 187, 190, 191), 219; serotiiia, "Portsmouth" soils, 89, 114, 130-131,
 94, 124, 126, 138, 141, 148, 207, 219; 146, 174, 176, 183
 Taeda, (81), go, 99, io6, 112, 114, Possum (See Opossum)
 115, 124, (175, 177, 184), 219 Possum haw, 133
Piper, C. V., work of, 208 Post oak, 100
Pistia, 9i, (199) Posts, 221
Pitcher-plant, 94, 203, 207 Potarnogeton, 199
Pithlachascootee River, 204 Potash, potassium, in soils or fertiPlantations, 109, 141, 258 lizers, 126, 172, 178-180, 193, 217
Plant City, 134, 135, 195, 240, 243 Potatoes (See Irish, Sweet) Plant names, treatment of, 8o Poultry, 110, (153), 278-280