INDEX 



513 



SpK>rogenous tissue (see Archesporium ) 

 Sporophylls, ranalian, 392, 414, 426 

 tAvo traces in, 26, 27 

 (See also Megasporophyll; Micro- 

 sporophyll ) 

 Stachyospory-phyllospory theory ( see 



Phyllosporeae-Stachyosporeae theory ) 

 Stamen(s), 108-154 



adnation to other floral organs, 105-106 

 anatomy, 97, 99, 120, 121, 132-134 

 appendages, 133 

 branched, 97, 134 

 Casuarina, 436, 437 

 Chloranthaceae, 435 

 description, 108 

 dichotomy, 131 

 dillenialian, 432, 435 

 evolutionary history, 116, 120 

 fascicled {see Fascicles of stamens) 

 forked, 131 



form, 109, 124, 130-132 

 glandular, 98 

 helobialian, 437, 440 

 lilialian, 441 



nodal structure in some, 25 

 ontogeny, 123, 134-146 

 palm, 447 

 parts, 108-112 

 phylogeny, 147 

 primitive, 108-110, 401, 469 

 primordium, 134, 135 

 ranahan, 385, 387-390, 392, 394, 395, 

 396, 397, 399, 400, 401, 402-405, 

 407, 408, 409, 410-412, 414, 415, 

 419^21, 425, 430, 431 

 reduction, 92, 104 

 solitary, 77, 104 

 specialization, 110, 111 

 sterile modified, 105 

 telomic structure, 96, 132 

 theories, 135 



diplophyllous, 149, 150 

 peltate, 147, 148, 149 

 telome, 150, 151 

 trace supply, 27, 132, 133, 401 

 zygomorphy, 106 



{See aho Anther; Microsporophyll; 

 Staminodia) 

 Stamen traces, number, 132, 133 



origin, 86 

 Staminodes {see Staminodia) 

 Staminodia, anatomy, 151 

 definition, 151 

 dillenialian, 434 



ranalian, frontispiece, 88, 389, 391, 

 395, 396, 397, 398, 400, 401, 

 405, 408, 420, 430 



Staminodia, reduction of stamens to, 103, 

 104 

 traces in, 98, 101 

 Stegophylls, 216 



Steironema, placentation, 237, 238 

 Stelar theory, 22 



Stele, dicotyledonous, endodermis, 22 

 vs. monocotyledonous, 462 

 types, amphiphloic, 22, 23 

 anomalous, 23 

 continuous, 59 

 dictyostele, 22 

 dissected, 59 

 ectophloic, 22, 23 

 eustele, 22, 24, 59 

 protostele, 22 

 siphonostele, 22 

 solenostele, 22 

 Stems, bennettitalean unlike angiosperm, 

 465 

 description, 5 

 embryonic apex, 328 

 endarch, primary xylem, 2 

 herbaceous, 59 

 "jointed," 436 

 origin, 317 



pericycle in angiosperms, 28 

 Stigma, carinal, 244 

 commissural, 244 

 decurrent, 187, 386, 399, 404, 405, 



410 

 derivation of isolated terminal, 426 

 double, 244 

 fusion of, 243, 441 

 internal, 188, 203 



in pseudomonomerous gynoecia, 244 

 sessile, 195, 414, 438, 441, 447, 450 

 stigmatic crest, 178, 187, 195-197, 

 204, 209, 386, 388, 401, 403, 427 

 in syncarpous gynoecia, 243—244 

 Stigmatic crest {see Stigma) 

 Stigmatic-tissue system, 203, 204 

 Stipa, epiblast, 345 

 Stipe, 186, 187, 217, 385, 426, 441 

 Stipels, 12 



Stipular sheath, 335, 337, 340 

 Stipules, 11-16 

 anatomy, 14 

 associated with woody habit, 12, 389, 



401 

 axillary, 12 

 "cauline," 11 

 cotyledony, 12 

 evolutionary modification, 16 

 foliar, 11 



form, lateral, free, adnate ("vaginal"), 

 ventral, 12 



