310 
Macrosporangium (see also “Ovule”), 
145, 146, 150, 151, 159, 160, 161, 162, 
163, 165, 168, 169, 170, 178, 179, Figs. 
38, 39, 40, 41, 42. 
Macrospore (see also ‘‘ Embryo- 
sac’’), 145, 146, 148, 149, 150, 151, 
152, 158, 159, 163, 165, 168, 170, 178, 
179, 293; Cycas, 163; Conifers, 165, 
169, 170, 179; Isoétes, 149, 150; 
Marsilia, 150, 151; Salvinia, 151; 
Selaginella, 145, 152. 
Madder family (Rubiacez), 215. 
Madrofio (Arbutus Menziesii), 214, 
240. 
Magnolia, M. family, 207, 208, 230, 
235, 237, 238. 
Man as agent in distribution, 229, 
241, 243. 
Mandevillea suaveolens, 278, Fig. 60. 
Mango, 240. 
Mantchuria, 236, 237. 
Manzanita (Arctostaphylos), 214, 
240, 271, 274. 
Maple, M. family (see also “ Acera- 
cew’’), 209, 240. 
Marattia, Marattiaces, 123, 127, 133, 
136, 139, 154, 223, 224 ; gametophyte 
of, 123, 127; fossil M., 154, 223, 224. 
Marchantiacex, 107, 119. 
Marine alge: (see also “ Sea-weeds"’), 
20, 63, 262, 263, 264, 265. 
Mariposa lily (Calochortus), 240. 
Maritime plants, 201, 275. 
Marsilia, Marsiliacez, 150, 151, 152, 
155; Df. vestita, 150, 152, Fig. 39. 
Maruia, 215. 
May-weed (Maruta), 215, Fig. 53. 
Mechanical contrivances for cross- 
fertilization, 250, 251, 252, 253, 254, 
255, 295. 
Mechanical tissues, 263, 267, 296. 
Mediterranean region, 241. 
Mesembryanthemum, 275. 
Mesocarpus, 60. 
Mesotznium, 160. 
Mesozoic formations, 138, 165, 222, 
224, 227, 228. 
Mesquit (Prosopis), 238. 
Metazoa, 25. 
INDEX 
Metzgeria, 106, 119, Fig. 27. 
Mexican sage (Salvia splendens), 
249. 
Mexico, 173, 237, 239. 
Micropyle, 171, 181. 
Microspora, 52, Fig. 8. 
Microspore (see also ‘“‘ Pollen ’’), 145, 
149, 150, 159, 162, 163, 170, 180, 203, 
-292, Figs. 39, 40, 42. 
Microsporangium (see also ‘‘ Pollen- 
sac’’), 145, 146, 159, 161, 163, 165, 
168, 169, 170, 179, 180, Figs. 38, 39, 
40, 41, 42. 
Mignonette (Reseda), 248. 
Mildew (see also ‘‘ Peronosporez,”’ 
‘“Erysiphez ”), 82, 91,92; Rose M. 
(see Spheerotheca), Fig. 24. 
Milkweed, M. family (see also 
“ Asclepias’’), 215, 254, 255, 295. 
Mimosa, 24, 212, 283. 
Mimosee, 212. 
Mint family (Labiate), 214, 218, 253. 
Miocene formations, 227. a 
Mistletoe, 85, 205, 278. 
Mitosis (see also ‘‘ Karyokinesis’’), 
6. 
Moisture (a condition for growth), 
17, 18, 23, 262, 296. 
Monarda, 249. 
Monera, 4, 31, 32, 33, 45. 
Monk’s-hood (Aconitum), 208, 247. 
Monoblepharis, 83. 
Monocotyledons, 177, 183, 184, 185, 
186, 187, 188, 189, 190, 191, 192, 193, 
194, 195, 196, 197, 198, 199, 200, 201, 
202, 203, 205, 206, 207, 211, 217, 219, 
228, 229,.260, 267, 268, 273, Figs. 45, 
46, 47. 
Monotropa, 203, 213, 218, 270, 279, 
Figs. 52, 59. 
Monstera, 187. 
Morning-glory, 214, 278. 
Mosses (see also ‘‘ Bryophyte,’’) 
15, 16, 27, 28, 49, 52, 55, 63, 77, 
101, 102, 104, 105, 108, 113, 114, 
115, 116, 117, 118, 119, 122, 123, 
124, 125, 128, 130, 131, 132, 133, 
144, 152, 223, 240, 265, 266, 273, 275, 
283, 285, 286, 289, 290; Irish M. 
