oir on the sagos, 315

_Plumeria_, essences of, 524

_Plectranthus graveolens_, 573

Plough used in Brazil, 184

_Polygonum fagopyrum_, 260

_Poa Abyssinica_, 308

Pomegranates, for dyeing, 440

Potash an important element in maize, 267
large quantity in maize, 264

Potatoes, mode of keeping in Peru, 361
average weight per bushel in New Brunswick, 253
composition of, 227
imported, 218
composition of, 264
analysis of varieties, 362
yield per acre, 356

Potato, information respecting, 10
meal, syrup made from, 197
the wild, of North America, 372
starch in, 330
starch, used to adulterate arrowroot, 349
test for detecting, 349
starch, 334, 335, 337, 362
crop of the United States, 361
disease, 358
proposed cure for, 359, 60
crop in Ireland, 358
varieties of, 358
imports of, 359
crop in France, 361

Poisons, 627

_Pomme des Prairies_, of the Canadians, 373

Pounding coffee, 61

Population of Great Britain, &c., 87
of China, 86, 91, 298

Porto Rico, exports of coffee, 77
cost of producing sugar in, 189
production of coffee in, 41
exports of tobacco, 615

Poonac, as manure, 50
549, 552, 561

Pomegranate bark, 493, 495

Poonay oil, 511-13

_Polygonum tinctorium_, 453

_Pongamia glabra_, 521

_Pogostemon patchouly_, 573

Poppy, culture of, 581
oil, used to adulterate olive, 532
509-10-11-18

_Polypodium crassifolium_, used as a perfume, 550

Preserved Plantains, 323

Prices, average of sugar, 145

Prickly poppy, 626

Princeza snuff, 594

Prince of Wales Island, clove culture in, 399

_Prosopis pallida_, 313

Protein compounds, 307, 310, 342

Produce of various plants, 9

Production, average of various plants, 9

Provence oil, 531

Province Wellesley, clove culture in, 400

Prussia, tobacco consumed by, 596
production of beet sugar in, 197-98

Pruning coffee tree, 69

Psoralia, varieties of, 372

_Pteris esculenta_, 380

_Pterocarpus marsupium_, 493
_santalinus_, 445
species of, 507

Pulping mill for coffee, 51

Purging nut, 625

Pulse, culture of, 312

Putchuk or Costus, 438
638

Punjaub, proposed culture of tea in, 101

_Pustulatus_ moss, 486

Qually, an iron vessel for drying sago, 317

Quarree, a Spanish land measure, about 53/4