INDEX 
(see ‘‘Chondrus’’); Peat M. (see 
‘Sphagnum ’’). 
Moths, 248, 249. 
Mountains, 229, 231, 232, 238, 234, 
235, 236, 237, 239, 297. 
Mountain laurel (Kalmia latifolia), 
253, 
Movements of plants, 3, 22, 28, 24, 
282, 288, 285. 
Mucor, Mucorini (see also ‘ Black- 
mould ’’), 86, Fig. 22; Mucor stolo- 
nifer, Fig. 22. 
Miiller, 257. 
Musci (see also ‘‘True Mosses’’), 
101, 104, 113, 114, 115, 116, 117, 119, 
120; gametophyte, 114, 115; sporo- 
phyte, 116, 117; Figs. 29, 30. 
Mushroom, 87, 93, 94, Fig. 25. 
.Mustard family (Crucifere), 209. 
Mycelium, 87, 90, 91, 93, 94, Fig. 25. 
Mycetozoa (see also ‘‘Myxomy- 
cetes,” “Slime-mould”’), 31, 32, 
33, 34, 48, Fig. 4. 
Mycomycetes (True Fungi), 81, 86, 
87, 88, 90, 99, Figs. 23, 24, 25. 
Myrioblepharis, 883; zodspores of, 
84. , 
Myrmecophily, 260, 261, 
Myrtacez (see ‘‘ Myrtle’’). 
Myrtle, M. family, 211. 
_Myxomycetes (see also 
moulds’’), 31. 
“ Slime- 
N 
Naias, Naiadacem, 178, 184, 185, 196, 
198, Figs. 43, 45. 
Naked-seeded plants (see ‘“‘Gymno- 
sperms ’’). 
Narcissus, 189, 191, 273, Fig. 46. 
Nasturtium (Tropoolum), 249, 250, 
251, Fig. 56. 
Natural system of classification, 12. 
Navicula, 65, Fig. 15. 
Nectar, 257, 295. js 
Nectary, 207, 247, 249, 255. 
Needles (of Conifers), 168. 
Nelumbo, 207, Fig. 50. 
Nemophila, 240. 
311 
Nepenthes, 258, Fig. 58. 
Nereocystis, 68; WV. Liitkeana, 68, 
Fig. 17. 
Night-blooming flowers, 248, 249. 
Nightshade, 214. 
Nitrogen, 12, 36, 259, 262, 280, 281. 
Node, 61, 62, 63, 140, 141. 
Non-sexual reproduction, 25. 
North America, 232, 233, 236, 237, 
239, 241, 249. 
Northern Africa, 233. 
Northern Europe, 230. 
Norway, 230. 
Nostoc, 264, 280. 
Nuclear division, 5, 6, 56, 62, 179, 286. 
Nuclear spindle, 6, Fig. 3. 
Nucleolus, 5. 
Nucleus, 3, 4, 6, 7, 20, 36, 38, 40, 54, 
56, 62, 284. 
Nutation, 23, 282. 
Nutrition, 3. 
Nut family (Cupuliferz) , 206. 
Nympheaceze (see also ‘‘ Water- 
lily’), 207, 208, Fig. 50. 
oO 
Oak, 237. : 
Ocean (a factor in distribution), 234, 
Oceanic islands, 234. 
Odors of flowers, 248, 295. 
Cidogonium, 53, 55, 103, 265, 286, 
Fig. 9. 
Oleander, 21, 215, 271. 
Olive, 215. 
Onagracew (Evening-primrose fam- 
ily), 211. 
Onion, 6, Fig. 3. 
Onoclea sensibilis, 237. 
Odgonium, 53, 54, 57, 58, 82, 84, 86; 
Chara, 62, 63; Cystopus, 82, 85; 
CEdogonium, 53; Saprolegnia, 82; 
Vaucheria, 57, 58. 
Odspore, 53, 54, 57, 85. 
Open vascular bundle, 267. 
Operculum (of Moss capsule), 117, 
118, Fig. 30. 
Ophioglossum, Ophioglossacee, 127, 
