294 



INDEX. 



Stock, positive dedoublement of ] 

 corolla, 77 ; proliferated, 258 ; 

 suppression of stamens and pistil, j 

 258. 



Strasburger on ovuliferous scale, 25. 

 Strawberry, axillary shoot, 29 ; 



fasciated fruit, 50. 

 Streptocarpus, pelory, 149 ; staminody 



of petals, 156 ; suppression of 



stamens, 256. 

 Streptochseta, positive dedoublement, 



65 ; Iodic ules, 68 ; pistil, 94. 

 Stvuthiopteris, phyllody of sporo- 



phylL 210. 

 Summary, 273-274. 

 Suppression, 237, 241, 248 ; of sepals, 



250 ; of petals, 253 ; of stamens, 



256 ; of carpels, 259, 264. 

 Sweet-pea, fasciated flower, 47. 

 Sycamore, extra carpels, 93. 

 Sympetaly, 250. 



Symphytum, corolla - enations, 71; 



dialysis of calyx, 109. 

 Sympodium, 39. 

 Synandry, 254-256. 

 Synangium of Psilotaceoe, 101-102. 

 Synanthy, 47, 49, 56, 151, 237-241. 

 Syncarpia, concrescent flowers, 240. 

 Syncarpous pistil, 116, 254. 

 Syncarpy, 56, 251, 258-259. 

 Syngenesious anthers, 115. 

 Synsepaly, 249. 



Syringa, reappearance of stamens, 

 85 ; abnormal leaves, 200. 



Taxaeece, ovule, 91, 201. 

 Taxodinea?, ovuliferous scale, 23. 

 Taxodinm, secondary female cone, 



18 ; androgynous cone, 24. 

 Tessarandra, androecium, 85, 262. 

 Tetrapoma, gynceceum, i)S. 

 Thorn-apple, extra corollas, 70-71. 

 Thrip>s on larch-cone, 5. 

 Thyrsopteris, conformation of sorus, 



201. 



Tieghem, Van, on ovuliferous scale, 

 25 ; on morphology of free centra] 

 placenta, 186. 



Tilia, fusion of floral axis to bract, 

 234. 



Tilletia, cause of hermaphroditism, 

 97. 



Tmesipteris, many-forked sporophyll, 

 101 ; sporangiophore, 101. 



Toadflax, pleiotaxy of calyx, 66; 

 extra carpels, 92, 183, 205-206 ; 

 spur-pelory, 147 ; tubular petaloid 

 stamens, 175 ; , carpellody of j 

 stamens, 183 ; anther - bearing 



styles, 206 ; spurless corolla, 254 ; 



suppression of petal, 254. 

 Tobacco, union of leaves, 168. 

 Tomato, adventitious shoots, 15 ; 



extra whorl of carpels, 89 ; leaflets 



of, 207. 



Tragopogon, proliferated floret, 115 ; 

 virescent floret, 115 ; dissociated 

 anthers, 115 ; phyllody of pappus, 

 126-127. 



Traumatic reversion, 89. 



Tree-fern, aphlebia of, 109. 



Tree-peony, carpellody of petals, 160. 



Trichopilia, fusion of sepal with 

 " column," 136-137 ; staminody 

 of petals, 160 ; synsepaly, 249 ; 

 1-merous calyx, 249; suppression 

 of sepals, 249-250. 



Trifoliolate leafy carpel, 194. 



Trifolium, proliferation of flower- 

 head, 4, of flower, 6, 17, 29; 

 virescent inflorescence, 17, flower, 

 29 ; extra carpels, 91-92 ; virescent 

 pistil, 113 ; dialysis of androecium, 

 113; anther-bearing sepals, 136; 

 petals as scales, 139 ; vexillar 

 pelory, 149 ; virescent and leafy 

 carpels, 194 ; virescent ovule, 197, 

 202. 



Trifurcation of flower, 52. 



Tripling of petal, 68. 



Triticum, positive dedoublement, 65 ; 

 third lodicule, 68. 



Tritonia, staminodes, 80. 



Triuridoe, structure of perianth, 242. 



Trollius, proliferated flower, 7 ; dif- 

 ferentiation in calyx, 129 ; sepalody 

 of stamens, 172. 



Tropseolum, axillary flower, 29 ; spur, 

 111; phyllody of flower, 124; extra, 

 spurs, 132-134 ; loss of spur, 134 ; 

 peloric flower, 133 ; frondescent 

 petals, 138 ; fusion of sepal to 

 petal, 234 ; leafy spurred sepal,. 

 276. 



Tsuga, axillary proliferation, 22. 



Tulip, axillary flowers, 18 ; poly- 

 phylly, 60-61 ; pleiotaxy of corolla, 

 70, of gynceceum, 89, 206 ; vires- 

 cent sepals, 126 ; origin of bracts, 

 130; staminody of calyx, 136; 

 carpelloid sepals, 137 ; ovuliferous 

 petals, 160 ; petaloid stamens, 166, 

 173-174 ; carpellody of stamens, 

 182, 260; ovuliferous anther, 192; 

 enation on perianth-leaf, 202 ; 

 staminody of carpels, 206 ; extra 

 stamens, 206-207 ; adnation of 

 peduncles, 232-233 ; fusion of 



