INDEX AND GLOSSARY 



425 



Myosotis, 382. 



Myrtle. 388. 



Myxomycetes, 235. 



Naked flower: no floral envelopes, (257). 



Narcissus, 35, 303; double, Figs. 234,435. 



Nasturtium, 335, 343; flower, 126, Fig. 

 195; tendril, 110 



Natural selection, 231. 



Nectarine, origin of, 229. 



Nectary, 131. 



Needle for dissecting, 126, Fig. 199. 



Nerium, 388. 



Nepeta Cataria, 371, Fig. 197. 



Netted-veined, 91. 



Nettle, 316; acid, 246; hairs, 235. 



Nettle-tree, 315. 



Nicotiana alata, 379, Fig. 491; Tabacum 

 379. 



Nicotin, 246. 



Nightshade, 378. 



Nine-bark fruit, 151. 



Nitella, 235. 



Nitrogen, 72, 249. 



Node: a joint; the space between two 

 joints is an internode. 



Nuclear-plate, 239. 



Nucleolus, 234, 239.' 



Nucleus, 233, 248. 



Nuphar, 329. 



Nux vomica, 246. 



Nymphseaceae, 329. 



Oak, 15, 117, 147, 311, Fig. 212; branch- 

 ing, 54; expression, 61; m-onoccious, 

 133; transpiration in, 82; where grows, 

 198; kinds, 299, 300. 



Oats, lodged. Fig. 355; starch, 249. 



Oblong, 94. 



Obovate, 94. 



Obtuse: blunt, (199). 



(Ecology: see ecology. 



(I'^nothera, 365. 



Off.set: a plant arising close to the base 

 of the mother plant, (56). 



Oils, 246, 247. 



Okra, 140. 



01eacea>, 388. 



Ol-ander, 388; leaf, 269. 



Olive family, 388; tree. Fig. 100. 



Onagraceae, 364. 



Onion bulb, 33, 35, Figs. 45, 46; germi- 

 nation, 171; sugar, 246. 



Onoclea, 290, Fig. 310. 



Oogonia, 180. 



Oospore, 180. 



Operculum, 191. 



Ophioglo.ssum, 191, Fig. 341. 



Opium, 246; poppy, 330. 



Orange, mock, 363; O.sage, 315, Fig. 451. 



Orbicular, 94. 



Orchard, 63, 206, 214, 217. 



Orchid flowers, 140, Fig. 225; roots, 00; 

 stems, 259; epiphytes, 88. 



Orchidacea", 307. 



Orchis, 309. 



Ornithogalum, 299. 



Osage orange, 49, 105, 315, Fig. 451. 



Osmorrhiza, 367. 



Osmosis, 66, Figs. 106-108. 



Osmunda, 290, Figs. 418, 419. 



Oswego tea, 369. 



Ovary: seed-bearing part of a pistil, 

 (256). 



Ovate, 94. 



Overgrowth, 224. 



Oxalic acid, 246. 



Oxaiis, J:0, 158, -342, Fig. 273. 



Ox-eye daisy, 115, 407, Fig. 169. 



Oxygen, 72; liberation, of 77, Figs. Ill, 

 112. 



Oyster plant, 403. 



Pwonia, 326. 



Painted-cup, 376. 



Palet, 146. 



Palisade cells, 269. 



Palisades of Hudson, Fig. 345. 



Palm, 60, 259, Fig. 98. 



Palmate, 91. 



Palma Christi, 320. 



Panicle: branching raceme, (240). 



Panicum capillare, 163. 



Pansy, 338; flower, Fig. 196. 



Papaveracea", 330. 



Papaver somniferum, 246, 330. 



Papilionaceous flowers, 13S. 



Pappus: peculiar calyx of composites, 

 (282). 



Parallel-veined, 91. 



Paraphyse, 190. 



Parasite, 85, 200; vs. graft, 22. 



Parenchyma, 236, 252. 



Parnassia, 362. 



Parsley, 117, 368. 



Parsnip, 3, 117, 367. 



Parted, 92. 



Parts of flower, 122. 



Passion flower, 127 



Pastinaca sativa, 367. 



Pasturing, 223. 



Patches, 19, 23. 



Pea, 3; black, 353, Fig. 473; everlasting, 

 350, Fig. 246; garden, 349, Figs. 190, 

 284; stock, 353, Fig. 473; sweet, 350, 

 Fig. 222; flowers. 138, Fig. 222; fruit. 

 Fig. 246; germination, 166, 171, Fig. 

 284; legume, 151; tendril, 110. 



Peach, 356, Fig. 476; phyllofaxy, 49; 

 and nectarine, 229; bud, 37, 40; crys- 

 tals, 250; fruit, 153; inclusions, 249. 



