Leaves, coriaceous, 241 
decompound, 240 
development of lamina of, 246 
dorsiventral, 246 
-hydrophytic, 248 
-mesophytic, 247 
Fig. of cross sect. of, 247 
-umbrophytic, 247 
-xerophytic, 248 
foliage, 228 
forms of, 233 
imparipinnate, 240 
interruptedly pinnate, 240 
lyrate, 240 
origin and development of, 228 
palmate, 240 
paripinnate, 240 
pellucid-punctate, 241 
pinnate, 240 
primordial, 228 
runcinate, 237 
scale, 228 
simple, 233 
stomata of, 251 
ternate, 240 
trifoliate, 240 
types of Angiospermous, 227 
_ veins of, 230 
_ Lecanora, 416 
_ Lecanora esculenta, 417 
_ Lechea, 509 
Lecythidacee, 569 
Legume, 301 
nose, 536 
placentation in, 288 
root tubercles of, 176 
_ Stipules of, 245 
484 
INDEX 767 
Levisticum officinale, 577 
Levulose, 74 
Liber fibers, 122 
Lichens, 13, 418, 619 
Licmophora, 351 
Life history, of an angiosperm, 471 
of Aspidium, 53 
of black mold, 377 
of-Chara, 347 
of Claviceps purpurea, 395 
of Erythronium, 471 
of Ectocarpus, 352 
of Equisetum, 437 
- of fern, 53 
of Fucus, 355 
of gymnosperm, 444 
of Lycopodium, 439 
_f a moss, 426 
of mushrooms, 405-409 
of smut, 397 
of Spirogyra, 343 
of wheat rust, 399 
of white pine, 444 
of yeast, 382 
of Lamia, 456 
Light Green, 684 
Lignin, 108, 118 
Lignocellulose, 109 
Ligule, 242, 245, 484 
Liguliflore, 618, 614 
Ligustrum, histology of root, 170 
Lilac, 261, 583 
Liliaceae, 489 
Liliales, 489 
Lilium, 489, 490 
Lily, 192 
Calla, 487 
Canada, 191 
diagram of flower, 488 
Fig. of T. S. anther, 280 
ovary, 473 
pollen of, 281, 283 
Tiger, 189, 191 
Lily Family, 489. 
Lima bean, Figs. of, 320 
histology of, 321 
Limb, 266 
Limonis Cortex, 546 
Linacea, 542 
