460 



INDEX 



Leaf venation, anastomosing, 159 



furchate, 159 



palmate, 159 



parallel, 159 



pinni, 159 



reticulate, 159 

 Leaves, bifacial, 172, 173 

 binate, 166 

 bipinnate, 123, 126 

 biternate, 166 

 bract, 156 

 bracteolar, 155 

 centric, 172 

 compound, 161 



palmately, 165 



pinnately, 165 

 convergent, 169, 172 

 decompound, 166 

 development of lamina of, 169 

 dorsoventral, 169 



hydro phy tic, 169, 172 



mesophytic, 169, 171 



umbrophytic, 169, 170 



xerophytic, 169, 171 

 foliage, 156 



Leaves, imparipinnate, 165 

 interruptedly pinnate, 165 

 lyrate, 165 

 origin and development of, 



156 



palmate, 165 

 paripinnate, 165 

 pinnate, 165 

 primordial, 156 

 scale, 156 

 simple, 161 

 stomata of, 173 

 ternate, 166 

 trifoliate, 166^ 

 types of Angiospermous, 155 

 xerophytic, 169, 172 

 Lecanora, 281 

 Lechea, 369 

 Legume, 206 



Leguminosae, 341 



placenta tion in, 197 



root tubercles of, 132, 133 

 Lemon, fruit of, 209 

 Lenticels, 146 

 Leptandra, 393 

 Leptome, 112 

 Leucoplastids, 69, 76 

 Levisticum, 378 



officinale, 378 

 Levulose, 74 

 Lichens, 280, 282 

 Licmophora, 239 

 Life history, of an angiosperm, 53, 58 



of aspidium, 33, 45 



of black mold, 248, 250 



of claviceps purpurea, 265, 267 



of fern, 33, 45 



of gymnosperm, 45, 53 



of moss, 286, 287 



of mushrooms, 274, 278 



of rust, 269, 271 



of smut, 267 

 Lignin, 97 

 Lignocellulose, 98 

 Ligule, 1 68 

 Lilac, 381 

 Liliaceae, 301, 303 

 Liliales, 301 

 Lilium, 301 

 Lily Family, 301 



Lima bean, histology of, 217, 218 

 Limb, 184 

 Limonis Cortex, 350 

 Linaceae, 346 

 Linaria, 189, 392, 393 



corolla of, 187 

 Linden Family, 363 



stem, 147 

 Linin, 71 

 Linnaeus, 4 

 Linum, 347 



usitatissimum, 347 

 Lipase, 96 



