Part 202

Penny-wort, 493.

Pentacyclicæ, 505, 506.

Pentadesma, 414.

Pentapera, 505.

Pentstemon, 524, 527.

Peplis, 47, 483.

Pepper, 361.

Peppermint, 541.

Peperomia, 361, 362.

Pepperwort, 401.

Pereskia, 375, 376.

Perianth, 235.

Perichætium, 192.

Pericarp, 249.

Pericallis, 574.

Peridermium, 147, 148, 153, 154, 155, 156.

Peridinea, 1, 14, 17.

Peridinin, 16.

Peridinium, 17.

Peridiola, 176.

Peridium, 88, 89, 147.

Perigynium, 189.

Perilla, 541.

Periphyses, 88.

Periplasm, 104.

Periploca, 546.

Perisperm, 249.

Perisporiaceæ, 122.