498 



MORPHOLOGY OF THE ANGIOSPERMS 



Leaf, rachis, 8, 10, 444, 445 



ranalian, 386, 389, 399, 401, 402, 

 408, 409, 421, 423 



seedling, 338, 339 



sessile, 11 



simple, 18 



terete, 440 



terminal, 6, 17 



( See also Prophylls; Stipules; Vena- 

 tion) 

 "Leaf buttress," 6, 8, 38 

 "Leaf cushion," 6 

 "Leaf foundation," 6 

 Leaf gaps, 24 

 Leaf sheath, 13 

 Leaf-skin theory, 21 

 Leaf-trace number, in angiosperms, 2 



in gymnosperms, 2 



in primitive node, 20 

 Leaf traces, 24, 25, 26 

 Leafbase, 5-7, 21 

 Lecythidaceae, stamens, 107 

 Leersia, embryo, 322 



epiblast, 345 



mesocotyl, 341 

 Leguminosae, androecium, 102 



carpel position, 227 



dehiscence, 378 



endospenn, 374 



epicotyl, 325 



leaf, 12, 14, 16, 20, 25 



ornithophily, 172 



ovule, 259, 270, 273, 274 



stamens, 107, 165 



xylem, 54 

 Leitneria, inflorescence, 78 



ovule, 213 

 Lemnaceae, microsporangia, 114 

 Lepidodendrids, habit, 443 



rhizomorph, 5 

 Leptochloa, embryo, 324 

 Leticadendron, anther wall, 141 



inflorescence, 72, 78 

 Lianas, meristems, 60 



( See also Vines ) 

 Lignosae, 464 

 Ligular sheath, 338, 340 

 Ligule, 13, 15, 338 



( See also Hastula ) 

 Lilaea, flower, 440 



pollen, 163 



stamens, 104, 438 

 Lilaeaceae, stamen nature, 440 

 Liliaceae, anther dehiscence, 128, 378 



carpel, 186 



characters, 440, 441 



Liliaceae, embryo, adventive, 346 

 anatomy, 347, 350 

 cotyledon, 27, 329, 360, 365 

 hypocotyl, 324 

 integumentary, 346 

 plumule, 329 

 scutellum, 330, 331 



floral organs, arrangement, 441 



germination types, 320, 321, 330 



inflorescence, 82 



leaf, 18, 19 



microsporangia, 115 



nectary, septal, 152, 440, 447 



ovule,' 266, 270 



perianth, 88, 438 



placentation, 441, 442 



pollen, 448 



stamen number, 441 



syncarpy, stages, 440 



venation, 462 

 Liliales, cotyledon type, 365 



embryo, 332, 333, 336, 350, 357, 362 



germination types, 321 



habit of woody taxa, 443 



phylogeny, 464 



root system, 2 



transmitting tissue, 202 

 Lilittm, anther dehiscence, 139 



carpel, 203 



embryo sac, 294 



germination, 330 



male gametes, 180 



placentation, 210 



polyembryony, 346 

 Limnaniliemwn, placentoids, 143 

 Limnocharis, carpel, 190 

 Limnophila, gynoecium, 192 

 Lindera, gynoecivmi, 240 



microsporangia, 419 

 Linnaea, carpels, 198 

 Linnaeus, 245 



Liriodendron, anther dehiscence, 128, 

 129 



carpel traces, 391 



characters, advanced, 391 



flower, 86, 88, 89 



leaf, 12, 338 



microsporogenesis, 118, 144, 176, 394 



ovule traces, 391 



perianth, 395, 402, 424 



pollen, 160, 164 



stamen, 123, 389 



xylem, 44 

 Livistona, venation, 41 

 Loasaceae, stamens, 107 

 Lobelia, megasporogenesis, 262 



microsporogenesis, 159 



