Part 193

Neuradeæ, 457.

Neuwiedia, 329.

Nicandra, 519, 522.

Nicotiana, 520, 522.

Nicotine, 522.

Nidularia, 176.

Nidulariaceæ, 176.

Nierembergia, 521.

Nigella, 379, 380, 382.

Nightshade, 521.

Nigritella, 332.

Nile-lily, 305.

Nipa, 301.

Nipplewort, 570.

Nitella, 65.

Nitelleæ, 67.

Nitraria, 438.

Nitrifying Bacteria, 5.

Nitzchieæ, 21.

Noble Pine, 264.

Noctiluca, 17.

Nodularia, 25.

Nolana, 522.

Nolanaceæ, 518, 522.

Noli-me-tangere, 421.

Nonnea, 533.

Nonsexual reproduction, 10.

Nostoc, 22, 23, 25, 27, 29, 138, 486.