INDEX. 



293 



203-204; adnation to petal, 234- 

 235, 242, 259, to " colvinan," 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. 

 .Sequoia, ovuliferous scale, 23 ; pro- 

 liferated cone, 24. 

 Seraj3i'as, 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, cataeorolla, 71 ; corolla- 



enations, 71-76 ; pelory, 149. 

 Sisymbrium, virescent ovule, 196, 202. 

 Smut-fungus, cause of doubling, 175. 

 ■Snapdragon, spvir-pelory, 147. 

 Sneeze-weed, proliferated flower, 6. 

 Snowball-tree, 142, 153. 

 .Snowdrop, polyphylly, 61 ; sepals 



at base of ovary, J 10; virescent 



flowers, 118, 125, 138 ; superior 



pistil, 118-119, 125 ; bracteody of 



flower, 124; erect flower, 125, 138; 



petaloid calyx, 136. 

 iSoapwort, double flowers, 175. 

 Solanacese, fusion of bract with axis, 



12 ; connivent stamens, 156. 

 Solanum, axillary potato, 28 ; hetero- 



staminody, 181 ; adiiation of 



flower-stalk, 233. 

 .Solution of " inferior " ovary, 117. 

 Sorus, morphology of, 201-202. 

 Sow-bread, secondary flowers, 20. 

 Spathicarpa, 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. 

 Spirsea, 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. 

 iSporangiophore, 101-102. 



Sporocarp, androgynous in Salvinia, 



212. 

 Sporophyll, reduction of, 1 ; forking 

 of, 98 ; of Ophioglossacese, 98-99, 

 167 ; of Pteridosperms and Cyoads, 

 122; bisexual, 192; phyllody of, 

 209 ; sporangiody of segments of, 

 212 ; ancient type of in Fern, 212. 



Spur, of Pelargonium, 111, 134 ; of 

 Tropxolum, 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 ; 

 flowersaxillary to,21 ; ovuliferous, 

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

 enations of, 75 ; division of, 78 ; 

 reappearance of, 82-83 ; phyllody 

 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 Hydrocharis, 80; of 

 Cypripedium, 82, 244-245 ; of Zin- 

 giberaceae, 84 ; of Scrophulariacese, 

 84 ; of Cleome, 86 ; of Eanuneu- 

 lacese, 128, 171 ; of Linaria, 175' ; 

 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 ; dialy- 

 petalous corolla, 112. 



Stellaria, apetaly, 254. 



Stipules of soutellum, 275. 



