590 



INDEX, PART I. 



Lateral plane of flower, 448. 

 Latex, 99, 167. 



Laticiferous crenocytes 100 (Fig. 

 81). 



tissue, functions of, 167. 



vessels, 99 (Fig. 80). 

 Latiseptal silicula, 536 (Fig. 348). 

 Leaf, 3, 28 (Figs. 18-29). 



apex of, 37. 



-base, 29, 30, 37. 



-blade, 29, 32. 



cataphyllary, 42, 175. 



compound, 35. 



coriaceous, 40. 



epipodium, 29, 32. 



fall of, 10, 156. 



floral, 43, 55, 175, 394, 457. 



foliage, 39. 



functions of, 171. 



form of, 33. 



herbaceous, 40. 



hypopodium, 29, 30. 



margin of, 37. 



hypsophyllary, 43, 175. 



mesopodium, 29, 32. 



minute structure of. 114 (Fig. 

 92). 



oblique, 33. 



outline of, 37. 



phyllopodium, 28. 



pitchered, 41 (Fig. 28), 175. 



prefloration, 43. 



scaly, 42, 175. 



-scar, 10 



segmentation of, 28, 35 (Fig. 

 28). 



-spine, 42 (Fig. 29), 175. 



sporophyllary, 43, 55, 176, 348, 

 395. 



-stalk, 29. 



succulent, 40. 



-tendrils, 32, (Fig. 19), 41, 175. 



-traces, 122. 



venation of, 38. 



vernation of, 43. 



-wing, 29. 

 Leaflet, 35. 

 Leafy shoot, 22. 



annual, 23. 



creeping, 26. 



dwarf-, 23. 



Legume, 473 (Fig. 288). 

 Lenticels, 154 (Fig. 120). 

 Leptosporangiate, 53, 349. 

 Leucin, 186, 199. 

 Leucoplastid, 69, 70 (Fig. 39). 

 Life-history, 2, 233, 309, 346, 417. 

 Light, chemical effects of, 161. 



mechanical effects of, 161. 

 Light-position, 173, 215, 223. 



Lignification of cell-wall, 77. 



Lignin, 77. 



Ligulate corolla, 579 (Figs. 396, 



397). 

 Ligule, 32 (Fig. 19), 48, 357 (Fig. 



1 213). 



Limb, 458 (Fig. 274). 

 Linear, 37. 

 Linolein, 187. 

 Lithium, 189. 

 Lobed, 35, 37. 



Localisation of irritability, 220. 

 Loculicidal, 475 (Fig. 289). 

 Loculus, 465. 

 Lodicule, 487 Fig._299). 

 Lomentaceous, 475, 537. 

 Lomentum, 474. 

 Longitudinal axis, 4. 



section, 4. 

 Lysigenous, 89, 97. 



Macrosporangiate flower, 56, 395. 

 Macrosporangium, 52, 349, 398. 

 Macrospore, 51, 349, 400, 438. 

 Macrosporophyll, 56, 349, 395, 423. 

 Macrosporophyllary flower, 56. 

 Magnesium, 188, 192. 

 Male organ, 60. 



pronucleus, 413 (Fig. 249). 



reproductive cells (gametes), 59. 

 Malic acid, 187. 

 Maltose, 187, 198. 

 Mannite, 187. 



Manubrium, 261 (Fig. 150). 

 Massula, of Azolla, 376. 



of Orchids, 504. 

 Mastigopod-stage, 283. 

 Mechanical effects of light, 161. 

 Mechanism of movements, 224. 

 Median plane of flower, 448. 

 Medulla, 117, 119. 

 Medullary bundles, 123. 



conjunctive tissue, 118. 



rays, 117, 118 (Fig. 97), 144 

 (Figs. 114, 115). 



sheath, 128. 

 Megaspore, 400. 

 Members, 1, 3, 167. 



development of, 8, 132. 

 Mericarp, 472 (Fig. 287). 

 Meristele, 118. 

 Meristem, 90. 

 Mesocarp, 472 (Fig. 290). 

 Mesophyll, 112. 

 Mesopodium, 29, 32. 

 Metabolism, 185. 

 Metallic elements of food, 188. 

 Microcysts, 277, 285. 

 Micropyle, 398. 

 Microsporangiate flower, 56, 395. 



