Papaver, 288, 397

Parsley, 68, 162, 176, 185, 187, 191, 197

Parsnip, 100, 162, 169, 193

Pastinaca sativa, 100

Pea, 101, 158, 162, 169, 176, 180, 184, 185, 187, 190, 195

——­ Disease, 443

——­ Siphon-Aphis, 417

——­ Sweet, 303, 371, 373, 379, 400, 406

Peat for Pot Plants, 356

Pelargonium, 265, 283, 369, 399

Pennyroyal, 69

Pentstemon, 283, 378

Pepper, Bird, 40

——­ Cayenne, 40

Perennial Phlox, 287, 378

Perennials, Hardy, 227, 386

Perilla nankinensis, 222

Peronospora arborescens, 450

——­ infestans, 437

——­ Schleideni, 442

——­ viciae, 443

Perpetual Spinach, 132, 170, 176

Pests of Garden Plants, 414

——­ Fungus, of certain Flowers, 447

——­ ——­ of certain Garden Plants, 434

Petunia, 284, 363, 369, 383, 388

Phacelia, 373, 397

Phaseolus multiflorus, 22

——­ vulgaris, 17

Phlox Drummondii, 286, 369, 378, 398

——­ Perennial, 287, 387

Phorbia brassicae, 421

——­ cepetorum, 99, 421

Phosphatic manures, 211

Phytophthora infestans, 117, 437, 445

Pickling Cucumber, 183

——­ Onion, 99, 175

Picotee, 287, 383, 399

Pink, 262, 288, 383

Pisum sativum, 101

Plasmodiophora brassicae, 434

Platystemon, 373

Plumed Cockscomb, 248

Polianthes tuberosa, 351

Pollination of Melons, 84

Polyanthus, 288, 370, 394

——­ Narcissus, 344

Poppy, 288, 373, 378, 386

——­ Disease, 450

——­ Iceland, 397

——­ Shirley, 397

Portugal Cabbage, 53, 162

Portulaca, 289, 388, 394

——­ oleracea, 69

Potash manures, 212

Potato, 108, 158, 169, 176, 185, 187, 192, 193

——­ Disease, 117, 437

——­ Onion, 99

——­ spraying, 440

——­ Wart Disease of, 440

Pot Marigold, 67, 278

——­ Marjoram, 67

Pots, cleaning, 357

——­ sizes of, 357

Potting soil, 355

Primrose, 289, 370, 394

——­ Cape, 302

——­ Chinese, 291

Primula Auricula, 236

——­ Half-hardy, 292, 370

——­ Hardy, 293

——­ sinensis, 291, 388, 394, 396

——­ stellata, 292

——­ (veris) elatior, 288

——­ vulgaris, 289

Prince’s Feather, 373

Psila rosae, 419

Puccinia malvacearum, 449

Pumpkin, 63, 180

Purslane, 69, 123, 289

Pyrethrum, 386

Radish, 118, 123, 159, 163, 170, 185, 187, 197

Rampion, 70, 123