INDEX 



481 



Cotyledon, dicotyledonous, form, 329 

 vs. monocotyledonous, 462, 463 

 in seed, 372 

 differentiation, 313, 315, 317 

 evolutionary change, 336, 337 

 functions, 327, 329, 332, 333, 335, 



361 

 history, 327 

 lateral position, 357 

 monocotyledonous, form, 329, 330, 

 335, 338, 339, 358, 462 

 nature, 363—365 

 ontogeny, 328, 329 

 parts, 336, 337 

 pseudoterminal position, 322, 328, 



357 

 specialization, 329—333, 335, 336, 



338, 339, 340, 348 

 suctorial habit, 330, 332 

 types, primitive, 334, 365 

 venation, 349, 350 

 nature, 27, 327 

 peltate interpretation, 328 

 relation of pair to single, 342, 344 

 variation in number, 343, 344, 402, 



462, 463 

 venation, 26, 27, 28, 347 

 {See also Coleoptile; Cotyledonary 

 sheath; Ligular sheath; Neck of 

 cotyledon; Scutellum; Stipular 

 sheath ) 

 Cotyledonarv sheath, 338, 339, 340, 348, 



353-354 

 Couroupida, inflorescence, 68 

 Cover cells, 261 

 Crassulaceae, anthers, 124 

 vessels, 45 

 xylem, 54 

 Crataegus, inflorescence, 71 

 Craivfordia, placentation, 205 

 Cretaceous period, angiosperms, 174, 

 465, 468 

 Australian flora, 468 

 leaves, 8 



specialized genera, 467-468 

 Crinum, ovule, 258 

 Crocus, dehiscence, 167 

 embryo anatomy, 350, 351 

 growth, intraseminal, 319 

 Cross zone, 214, 223, 224 

 Crossosomataceae, centrifugal stamens, 

 107 

 relationships, 432, 434, 435 

 xylem, 343, 435 

 Cruciferae, carpel, 229, 243 

 cotyledons, bilobed, 329, 344 



Cruciferae, endosperm absent, 374 



epicotyl, 325 



hypocotyl, 325 



stamens, 107, 131 

 Cucurbitaceae, anthers, 105, 128 

 dehiscence, 128 



chalazogamy, 179 



endosperm absent, 374 



ovule, 260, 265, 266, 273 



ovule number, 270 



phloem, internal, 23, 58 



pollen grains, 158, 161 



stele, amphiphloic, 23 

 Cupressaceae, male gametophyte, 301 

 Cupule, 447 



Curculigo, plicate leaves, 42 

 Cycadales, cycadeoidian origin of angio- 

 sperms, 465 



dominance in, 1 



embryo development, 365, 369-370 



habit, 443 



ovule, 272, 275, 287 



pollen grain, monocolpate, 162 



pollen tubes, 178 



prothallial cells, 180 



synangium, 126 



xylem, 55 

 Cvcads ( see Cycadales ) 

 Cyclachaena, pollen grain, 163 

 Cychmen, monocotyledony, 343, 359 

 Cyclanthaceae, leaf, 42, 443 



pollen, 448 

 Cydonia, hypanthium, 249 



inflorescence, 72 



ovule number, 270 

 Cymhidium, ovule number, 270 



pollination to fertilization time, 309 

 Cymodocea, hydrophily, 172 



pseudoinferior ovary, 438 

 Cymule, 71, 75, 76 

 Cyperaceae, anemophilv, 173 



anthers, 173 



cotyledon, 331, 332, 333 



flower anatomy, 206 



mesocotyl, 331, 341 



microspore, 145 



ovule traces, 273 



pollen grain, 162, 163 



prophylls, 16 



transmitting tissue, 202 

 Cyperus, flower anatomy, 206 



mesocotyl, 341 

 Cypripedium, inflorescence, 72, 77 

 Cyrtandra, stamens, two-trace, 27, 132 

 Cyrtanthus, embryo, ontogeny, 362 



pseudoterminal cotyledon, 362 



