288 



INDEX 



Meristem, 83, 168, 260 

 Mesophyll, 67, 70, 248 

 Micropyle, 117, 119, 183, 276 

 Midrib, 16, 64, 67, 68, 147, ICO 

 Mohl, Hugo von, 29 

 Monocotyledons, 149, 196 

 Monoecious, 234 

 Morphology, 6 



NECTARY, 21, 24, 124, 177 

 Nitrogen, source of, 206 

 Node, 15 



Nucellus, 117, 119, 183, 271 

 Nucleolus, 31, 40 

 Nucleus, 30, 39, 42 



generative, 115, 129, 186, 278 



polar, 120, 182 



vegetative, 115, 129, 185 



Nutrition, 200-232 



OIL, 37 



Open bundles, 60 



Organs, 2 



reproductive, 3, 18, 103, 173, 



265 

 vegetative, 3, 12, 142, 152,' 



238 



Orthotropous, 270 

 Osmosis, 218 

 Ovary, 20, 25, 151 

 Ovule, 20, 25, 116, 151, 180, 236, 



271 



Ovuliferous scale, 270 

 Ovum, 118, 120, 182, 275 



PAL^OBOTANY, 9 



Palaeontology, 9 



Palisade parenchyma, 65, 68, 69, 



162 



arm, 163 



Parenchyma, palisade, 65, 68, 69, 



162, 163 



phloem, 59, 247 



spongy, 68, 69, 70, 162 



xylem, 56, 68 



Pedicel, 20 

 Pepper, 137 

 Perennial, 12 



Perianth, 149 



Periblem, S2, 86, 168, 169, 170, 



262 

 Pericycle, 48, 51, 52, 61, 73, 75, 



153, 155, 156, 257, 263 

 Periderm, 93, 96, 100, 240, 258 

 Perisperm, 137 

 Petal, 20, 23, 107, 149, 174 

 Petiole, 15 

 Phajus, 35 

 Pheiloclerm, 97 

 Phellogen, 97, 240 

 Phloem, 48, 51, 52, 57, 60, 68, 73, 



156, 165, 238, 247, 257 



parenchyma, 59, 247 



Phyllotaxis, 14, 146 

 Physiology, 3, 200-232 

 Picea excelsa, Link., 233-283 

 Piliferous layer, 73, 76, 86, 167, 



255 



Pistil, 19, 25, 116, 151, 174, 179 

 Pith, 47, 48, 61, 238 

 Pits, 54 



bordered, 242 



Pitted vessels, 54, 158 

 Placenta, 104, 270 

 Placentation, axile, 151, 179 

 Plastids, 33, 37 



Plerome, 82, 85, 168, 169, 170, 262 

 Plumule, 137, 140 

 Polar nuclei, 120, 182 

 Pollen, 24, 110, 114, 178, 267 

 Pollen mother-cells, 113, 116, 177, 



267 



Pollen-sac, 22, 110, 151, 177, 265 

 Pollen-tube, 117, 126, 178, 181, 



269, 273 



Pollination, 123, 183, 276 

 Polyarch, 165 

 Polypetalous, 23 

 Polysepalous, 22 

 Posterior, 23 

 Potato, 4 



Primordial utricle, 32, 42 

 Procambial strand, 84, 87 

 Pro-embryo, 130 

 Prosenchymatous, 56 

 Proteid -granules, 38, 217 



