210 



BOTANY. 



Lords and ladies, 115, fig. 33. 

 Louse wort {FedicMlaris), 80. 



Maize, 19, fig. 3. 



Maple, fruit of, 171, fig. 52. 



Marchautia, 20. 



Marsh marigold, fruit of, 168. 



Medulla, 45. 



Medullary rays, 45. 



Melon leaf, 28, fig. 5 ; stem, 



section of, 47, fig. 15. 

 Metabolism, 88. 

 Metals in plant tissues, 55. 

 Metastasis, 88. 



Mistletoe (Viscwm alhttm), 80. 

 Monocotyledons, 44 ; characters 



of; 180. 

 Monoecious, 127. 

 Mother-cell of stoma, 39. 

 Multicellular plants, 13, 96. 

 Mushroom {Agarious ca/mpestris), 



87. 

 Mutualism, 84. 



Natural orders of plants, 185. 

 Nile lily {Bichardda CBthiopica), 



157. ' 

 Nostoc, 116. 

 Nucleus, 32. 



Oospore, 123. 



Open bundles, 47. 



Origin of varieties, 17. 



Osmosis, 58. 



Ovary, 164. 



Ovule, 93. 



OxUp, 136, fig. 39. 



Falisade-tissne, 62. 



"Palms," 128; dwarf, 155, fig. 

 44 ; stem, section of, 43, fig. 13. 



Pansy (Viola tricolor), 149. 



Pappus, 53, 152. 



Parasites, 79. 



Parasitism, an acquired habit, 

 80; stages of, 80, 81. 



Passion-flower {Passiflora cos- 

 ruled). III, fig. 32. 



Pea, pod of, 167, fig. 50. 



Peach, fruit of, 169, fig. 51. 



Perennial plants, 26. 



Perianth, 180. 



Periderm, 41. 



Permanent tissue, 44. 



Petals, 30., 



Petiole, 100. 



FJicmerogamsj-ii; differentiation 

 in, 97. 



P^araerog'amia!, characters of, 173. 



Phloem, 44. 



Physical work, rays of light pro- 

 moting, 65. 



Pioneers of plant-life, 16. 



Pistil, 31. 



Pitcher-plant (Kepenthes graci- 

 lis)) 77> fig- 23 ; structure of 

 pitchers, 78. 



Pitted cells, 34. 



Plant nutrition, effect on atmo- 

 sphere, 71. 



Plants bending towards the light, 

 66 ; bending away from the 

 light, 66. 



Flev/rocoecus, 12, fig. i. 



Pleurococcus viridis, 9. 



Pollen, 30; grains, 123; masses 

 in orchids, 141, fig. 41. 



