Part 18

Pine, Austrian, 64.

Pine, Jack, 64.

Pine, Long-leaved or Southern, 63; forest, *61; young trees, *62.

Pine on Indian River, *53.

Pine, Pitch, 64.

Pine, Red, 59.

Pine, Scrub, 64.

Pine, White, *vii, 59; cone, *51.

Pines of America, 58.

Pines, The, 49.

Pines, White, avenue of, *67.

Plane, Oriental, 213.

Plane-tree, 213.

Poplar, Aspen, 121.

Poplar, Balsam, or Balm of Gilead, 118.

Poplar, Carolina, 122; as street tree, *123; blooming of, 124; flowers, *95.

Poplar, Cottonwood, 125; in winter, *126.

Poplar, Lombardy, 128, *129.

Poplar, White or Silver-leaved, 125.

Poplar, Yellow, 145.

Poplars (and Willows), 95, 118.

Poplars for pulp-making, 128.

Poplars, White, in spring, *119.

Pyrus family, 89.

Rain, flowers in, 203.

Red-bud, 201; in bloom, *201.

Red-woods, 72.

Salicylic acid from willows, 99.