MORPHOLOGY, ANATOMY, AND PHYSIOLOGY. 



813 



Isocyclic, 500. 

 Isogamy, 80, 225, 275. 

 Isomerous, 500. 



Juga primaria, 624. 

 Juga secundaria, 625. 



Karyokinesis, 118. 

 Kinetic energy, 668, 730. 

 Knight's machine, 752 (Fig. 483). 

 Kinoplasm, 95, 119. 

 Kinoplasmic spindle, 119, 124 (Fig. 

 82). 



Labellum, 456 (Fig. 294), 562, 563 



(Fig. 370). 

 Lsevulose, 724. 

 Lamella, 310 (Fig. 219). 

 Lamina, 45, 49. 

 Lanceolate, 54. 

 Latent period, 757. 

 Lateral branching, 19, 34. 



buds, 20. 



members, development of, 185 

 (Fig. 141). 



plane of flower, 499. 

 Latex, 141, 680. 



Laticiferous coenocytes (cells), 142 

 (Figs. 106, 107). 



tissue, functions of, 680. 



vessels, 141 (Fig. 105). 

 Latiseptal silicula, 604 (Fig. 407). 

 Law of absorption, 693. 



of cambial division, 193. 

 Leaf, 5, 6, 45 (Figs. 27-31). 



apex of, 54. 



-base, 45, 54. 



-blade, 45, 49. 



cataphyllary, 58. 



compound, 52. 



coriaceous, 56. 



epipodium, 45, 49. 



fall of, 23, 56. 



floral, 59. 



functions of, 685. 



form of, 56. 



herbaceous, 56. 



hypopodium, 45. 



margin of, 54. 



hypsophyllary, 59. 



mesopodium, 45, 48. 



minute structure of, 163 (Fig. 125), 

 164 (Fig. 126), 685. 



oblique, 49. 



outline of, 54. 



phyllopodium, 45. 



pitchered, 57 (Fig. 37), 607 (Fig. 

 410), 640, 690. 



prefloration, 60. 



primordial, 45. 



-scar, 23. 



Leaf, segmentation of, 53 (Fig. 32). 



-spine, 58 (Fig. 38), 690. 



sporophyllary, 59, 70, 76. 



-stalk, 45. 



succulent, 56. 



-tendrils, 49 (Fig. 28), 58, 628, 646. 



-traces, 171. 



venation of, 54. 



vernation of, 59. 



-wing, 45. 

 Leaflet, 52. 

 Leafy shoot, 5, 38. 



annual, 39. 



creeping, 42. 



dwarf-, 39. 

 Legume, 531. 

 Lenticels, 212 (Fig. 157). 

 Leptosporangiate, 73, 375. 

 Leucin, 707. 



Leucoplastid, 97, 98 (Fig. 51). 

 Life-history, 2, 217, 230, 278, 324, 378 



431. 

 Light, chemical effects of, 673. 



mechanical effects of, 674. 

 Light-position, 688, 748, 759. 

 Lignification of cell-wall, 107. 

 Lignin, 107. 



Ligulate corolla, 661 (Figs. 464, 466). 

 Ligule, 48 (Fig. 28), 66, 384 (Fig. 256), 



427. 



Limb, 515 (Fig. 330). 

 Linear, 54. 

 Linin, 96. 

 Linolein, 708. 

 Lithium, 710, 716. 

 Lobed, 52. 



Localisation of irritabilitv, 755. 

 Loculicidal, 531 (Fig. 343). 

 Loculus, 522. 

 Lodicule, 545. 

 Lomentaceous, 531. 

 Lomentum, 531. 

 Longitudinal axis, 7. 



section, 7. 

 Lysigenous, 130, 138. 



Macrosporangiate flower, 77, 432, 515. 

 Macrosporangiurn, 71, 375, 433, 470, 



489, 524. 



Macrospore, 70, 375, 438, 526. 

 Macrosporophyll, 78, 375, 432, 521. 

 Macrosporophyllary flower, 78. 

 Macrozoogonidium, 226. 

 Magnesium, 714. 

 Male organ, 83. 



pronucleus, 457. 



reproductive cells, 81. 

 Malic acid, 708. 

 Maltose, 708, 724, 727. 

 Mannite, 708. 

 Manubrium, 252 (Fig. 181). . 



