488 



MORPHOLOGY OF THE ANGIOSPERMS 



Dactijlls, embryo, 323 

 Dactijloctenium, embryo, 324 

 Dalibardia, inflorescence, 72 

 Damasonium, placentation, 438 

 Danthonia, epilDlast, 344, 345 

 Darhija, ovary, 247 

 Datura, fruit, stomata, 379 

 de Candolle, 245 



Dedoublement theory, 101, 130, 131 

 Degeneria (see Degeneriaceae ) 

 Degeneriaceae, androecium, 96 

 anther-sac wall, 126, 139 

 archesporium, 402 

 carpel, 186, 187, 188, 189, 190, 193, 



228, 243, 401, 426 

 cotyledonary node, 27 

 cotyledonary number, 344 

 embryo, 402 

 embryo sac, 402 

 endosperm, 402 

 ethereal oil cells, 430 

 flower, 401, 402 



solitary, 82, 83 

 fruit, 403 

 gynoecium, 401 

 leaf, 12, 401, 402 

 microsporangia, 108, 115, 116, 123, 



125, 166, 394, 401, 402 

 microspores, 166 

 node, 29, 402 

 ovule, 390, 402, 427 

 perianth, 401, 402 

 petiole, 29 

 phloem, 402 

 placentation, 204, 208, 209, 215, 402, 



442 

 pollen, 161, 166, 178, 401, 402, 429 

 pollen tubes, 178, 387, 401, 426 

 pollination, 170, 401 

 relationships, 422, 430 

 sporophylls, leaflike, 426 

 stamen, 110, 130, 401, 425, 469 

 stamen-trace number, 133, 401, 403 

 staminodia, 104, 401 

 stigmatic crest, 196, 197, 401, 402 

 transmitting tissue, 200 

 wood, 402, 403 

 Deherainia, transmitting tissue, 201 

 Dehiscence, in anther, anther-wall struc- 

 ture, 168 

 direction, extrorse (abaxial), 117, 

 121, 124, 128, 129 

 introrse (adaxial), 117, 124, 128, 



129 

 latrorse (lateral), 121, 124, 128 

 method, explosive, 141, 173 

 longitudinal, 165, 167 



Dehiscence, in anther, method, poricidal, 

 165-167 

 valvular, 167 

 ranalian, 385, 389, 394, 417 

 in fruit, 377-379 

 delayed, 378 

 loculicidal, 377 

 septicidal, 377, 378 

 Delphinium, androecium, polystemonous, 

 100 

 anther-sac wall layer, 168 

 carpel anatomy, 227 

 carpel number, 239 

 ovule, 267 

 petals, 148 

 Dcndrophtoe, flower, 277 

 Descainea, stamens, 109 

 Deschampsia, embryo, 323 

 Devonian period, trees, 3 

 Dianthera (see Jtisticia) 

 Dianthiis, placentation, 238 

 Dicentra, pseudomonocotyledony, 359 

 Dichasium, 77 

 Dichotomy, 20, 21, 443 

 Dicotyledons, apical meristem, 33 

 cambium in herbaceous, 463 

 characters, 462, 463 

 cotyledon number, 463 

 cotyledons, 327, 328, 329, 337, 344 

 absorbing, 331 

 assimilatory, 329 

 bilobed, 329 

 fusion, 329 

 histology, 333 

 embryo {see Embryo) 

 fruit, 77, 372 



germination types, 320, 330 

 hypocotyl, 5 

 leaf, 12, 14, 37, 38 

 monocotyledons, relation to, 362, 462 

 monocotyledony, 358, 359 

 nectaries, 463 

 ovules, 260, 265, 269 . 

 perianth, 463 

 phyllodes, 18 

 phyllospory-stachyospory theory, 464 



phylogeny, 462-464 

 placentation, laminar, 438 

 pollen, 162, 165 

 proembryo types, 311, 312 

 prophylls, 16 

 relationships within, 412 

 root system, arrested growth, 463 

 roots, anatomy, 351, 463 



in seedlings, 462 

 seed, albuminous, 374 

 seedling, 347 



