Motor impulse in Drosera, 234, 258 — in Dionaea, 313

Movement, origin of power of, 363

Movements of leaves of Pinguicula, 371 — of tentacles of Drosera, means of, 254 — of Dionaea, means of, 313

Mucin, not digested by Drosera, 122

Mucus, action on Drosera, 80

Müller, Fritz, on rhizocephalous crustaceans, 357

N.

Nepenthes, its power of digestion, 97

Nickel chloride, action on Drosera, 186

Nicotiana tabacum, glandular hairs of, 352