INDEX. 



293 



203-204; adnation to petal, 234- 

 235, 242, 259, to "column," 235, 

 to pistil, 235 ; fusion-product of 

 two, 239 ; cohesion of, 249 ; sup- 

 pression of, 250 ; petaloid, 249. 

 Sepalody, of petals, 13-14, 139-142, 

 276 ; of entire flower, 125 ; of 

 stamen, 171-172, 276; of carpels, 

 203-204. 



JSequoia, ovuliferous scale, 23 ; pro- 

 liferated cone, 24. 



Serapias, labelliform sepals, 135-136. 



Serial dedoublement, 69, 74, 79. 



Shepherd's-purse, staminody of 

 corolla, 153. 



Silene, double flowers, 78. 



Simplification, 1, 30, 230-264. 



Sinningia, catacorolla, 7 1 ; corolla- 

 enations, 71-76; pelory, 149. 



Sisymbrium, virescent ovule, 196, 202. 



Smut-fungus, cause of doubling, 175. 



Snapdragon, spur-pelory, 147. 



Sneeze-weed, proliferated flower, 6. 



Snowball-tree, 142, 153. 



Snowdrop, polyphylly, 61 ; sepals 

 at base of ovary, 1 10 ; virescent 

 flowers, 118, 125, 138 ; superior 

 pistil, 118-119, 125 ; bracteody of 

 flower, 124; erect flower, 125, 138 ; 

 petaloid calyx, 136. 



Soapwort, double flowers, 175. 



Solanacese, fusion of bract with axis, 

 12 ; connivent stamens, 156. 



Solatium, axillary potato, 28 ; hetero- 

 staminody, 181 ; adnation of 

 flower-stalk, 233. 



Solution of " inferior " ovary, 117. 



Sorus, morphology of, 201-202. 



Sow-bread, secondary flowers, 20. 



Spathicarjja, fusion of floral axis to 

 bract, 234. 



Spear-thistle, f asciated inflorescence, 

 42. 



Sphenophyllum, structure of sporo- 



phyll, 102. 

 Spider-orchis, fusion of sepals, 249. 

 Spike, origin of, 31. 

 Spikelet, nature of, 4 ; adventitious, 



268-269. 

 Spilanthes, extra carpels, 93. 

 Spiraea, axillary flowers, 21. 

 Spiralism, 16. 



Spiral phyllotaxis, 103, 259, 263. 

 Sporangia, increase in number, 102 ; 



of Ferns, 201 ; primitive position 



of, 203. 



Sporangiody of sporophyll-segments, 

 212. 



Sporangiophore, 101-102. 



Sporocarp, androgynous in Salvinia, 

 212. 



Sporophyll, reduction of, 1 ; forking 

 of, 98 ; of Ophioglossacese, 98-99, 

 167 ; of Pteridosperms and Cycads, 

 122; bisexual, 192; phyllody of, 

 209 ; sporangiody of segments of, 

 212 ; ancient type of in Fern, 212. 



Spur, of Pelargonium, 111, 134 ; of 

 Tropseolum, 111, 132-134; of 

 Delphinium, 132 ; of Aconitum, 132 ; 

 -formation, 132 ; loss of, 134, 141 ; 

 of Platanthera, 134, 146 ; of Viola, 

 146-147, 237 ; -pelory, 146-148, 

 237 ; -less pelory, 148; of Aquilegia, 

 148, 154, 174. 



Spurge, proliferated inflorescence, 

 4 ; reappearance of sepals, 65-66. 



Squamody, of corolla, 139 ; of pistil, 

 213. 



St. Valery apple, 139; nature of, 

 188, 258. 



Stachys, ovuliferous corolla, 161. 



Stamen, of Euphorbia, 4, 115, 189 ; 

 flowers axillary to, 21 ; ovuliferous, 

 24, 75, 185, 192-193 ; origin of, 30 ; 

 enations of, 75 ; division of, 78 ; 

 reappearance of, 82-83 ; phyHody 

 of, 113, 161, 171 ; ancestor of sepal, 

 128, 137, 140-141; changed into 

 labellum, 145-146 ; stigmatiferous, 

 161 ; sepalody of, 171-172, 276 ; 

 petalody of, 78, 116, 172-181, 200, 

 205, 240, 276 ; carpellody of, 182- 

 193, 258 ; adnate to carpels, 183- 

 184 ; to sepals, 189 ; terminal, 189 ; 

 androgynous, 178, 192 ; derived 

 from carpel, 205-209; in ovary, 

 207 ; derived from ovule, 207 ; 

 adnation to petal, 236, to pistil, 

 236-237 ; cohesion of, 254-256, 

 258-259 ; suppression of, 256-258. 



Staminode, of Samolus, 79 ; of Tri- 

 tonia, 80 ; of Hydro char is, 80 ; of 

 Cypripedium, 82, 244-245 ; of Zin- 

 giberacese, 84 ; of Scrophulariacese, 

 84 ; of Cleome, 86 ; of Eanuncu- 

 lacese, 128, 171 ; of Linaria, lib ; 

 reversion to stamen, 182; suppres- 

 sion of, in Cypripedium, 257 ; 

 adnate to style, 257. 



Staminody, of calyx, 136-137; of 

 corolla, 153-160; of pistil, 205- 

 209. 



" Standard "-petal, 148-149. 

 Stapelia, extra corolla, 71 j dialy- 



petalous corolla, 112. 

 Stellaria, apetaly, 254. 

 Stipules of scutellum, 275. 



