INDEX. 



851 



Spiral cycles of leaves, 

 103 



leaves, 91 



twiners, 386 



— ;- vessels, 17 



Spirals in fir cones, 105 



Spirolobese, 435 



Spitzbergen, fossil 

 plants of, 73S, 755 



Splachnum, 643 



Spondias, 474 



Sponea, 585 



Spongioles, 38 



^!absorption by, 142 



Spontaneous genera- 

 tion, 15 



Sporangia, 250 



in coal, 729 



Sporangiferous, 280 



Spore, compound, a68 



Spore of acotyledons, 



o 334 

 Spores, 250 



moving, 265 



Spores of fungi, rest- 

 ing, 402 

 Sporidium, 335 

 Sporocarp, 640 

 Sporophores, 647 

 Sprengelia, 528 

 Spruce, 599 



cone of, 317 



Spurges, 579 

 Sput^e-laurel, 572 

 Spunous dissepiments, 



244 

 Spurred, 198 ( 



rye, 400 



Squamae, igo, 208 

 Squamash, 615 

 Squash, 495 

 Squill, 614, 615 

 Squirting cucumber, 



496 

 Staavia, 504 

 Stachytarpheta, 556 

 Stackhousiaceas, 470 

 Stagmaria, 474 

 Stamens, 191, 212 



abortive, 219 



cohesion of, 227 



development, 



structure, and form 

 of, 214 



irritable, 283 



length of, 227 



long, .short, and 



medium, 285 



of grasses, 224, 



656 . . , 



position of, 212, 



Staminal degenera- 

 tions, 369 



Staminiferous, 212, 

 264, 368 



Staminodes, 219 



Stamminodium, 36, 227 



Standard, 205^ 



Stangeria, 600 



Stanhopea, 604 



Stapelia, 536 



Stapelias, fertilisation 

 of, 284 



- — Region of, B89 



Staphyleaceas, 472 



Star-anise, 429 



r — apple, 531 



Star-hke, 206 



Starch, 10, 162 



.changed into 



sugar, 163, 260 



in fruits, 321 



^^ in seeds, 163, 350 



Staticese, 559 



Statistics of vegeta- 

 tion, 677 



Stavesacre, 427 



Steajric acid, 16B 



Stearin, 168 



Stearoptene, 169 



Steeping seeds, 140 



Stelis, 604 



Stellate, 206 



hairs, 31 



Stem, 44, 33S 



acotyledonous or 



acrogenous, 49 



aerial, 46 



anomalous exo- 

 genous, 60 



creeping, 114 



exogenous or di- 

 cotyledonous, 49 

 herbaceous, 50 



hypocotyledon- 



arjr, 41 



internal structure 



of, 49 

 ligneous, 50 



monocotyledon- 



ous or endogenous, 

 49. 64 _ 



parasites, 142 



protuberances on, 



46 

 special functions 



of» 75 



subterranean, 46 



Sterculiaceas, 448 



Sterigmata, 268 



Sterile, 227, 368 



Stembergia, 612, 741 



Stevensonia, 621 



Sticta, 647 



Stigma, 235, 248, 282 



• ■ development, 290 



of Campanula, 290 



sensitive, 248 



structure and posi- 

 tion of, 24S 



Stigmaria, 734 



Stilago, 588 



Stillingia, 582 



Stings, 34 



Stinking rust, 399 



Stipe, 44 



Stipels, 99 



Stipitate, 180, 240 



— — glands, 34 



Stipulate, 97 



Stipules, 82, 97 



forms of^ 99 



Stock, 44, 323 



Stomata, 28, 80 



development and 



■forms of, 29 



in anthers, 220 



number in square 



inch of surface, 30 



Stonecrop, 499 



Stone of fruit, 301 



Stone-pine, 599 



Storax, 529 



Stramonium, 549 



Strap-shaped, 207 



Stratiotes, 602 



Strawberry, 312, 485 



fruit of, 310 



tree, 527 



Strelitzia, 608 



Streptocarpus, cotyle- 

 dons of, 338 



Strobilus, 179, igo, 317 



Strophanthus, 537 



Strophiolate, 329 



Strophioles, 329 



Struma, 95 



Strumose, 218 



Strychnia, 538 



Strychnese, 538 



Strychnos, 538 



Stupose, 33, 217 



Style, 246 



• feathery, 310 



form and struc- 

 ture of, 236, 247 



length of, 248 



of Campanula, 290 



of Goldfussia, 290 



position of, 246 



Stylewort, 523 



Stylidiacese, 523 



Stylopod, 506 



Stylospores, 269 



Styphelia, 528 



Styracaceas, 529 



Styrax, 529 



Sub-arctic zone, plants 

 of, 693 



Sub-classes, 411 



Suberic acid, 168 



Subei;ous layer, 58 



Sub-genus, 410 



Sub-ordersj 410 



Subordination of cha- 

 racters, 416 



Sub-species, 409 



Subterranean leaf- 

 buds, 114 



Subtropical zone, plants 

 of, 693 



Subulate, 89, 216 



Succulent fruits, 309, 



leaves, 90 



■ peduncle, 173 



Suckers, 114 



of Dodder, 40 



Suffrutex, 46 

 Suffruticose, 46 

 Sugar, 164 



beet, 164 



cane, 164, 631 



grape, 165 



import of, 164 



Sugar in fruits, 321 



in seeds, 350 



manna, 165 



maple, 164 



Muscovado, ^64 



starch changed 



to, 163 

 Suke, 586 

 Sulphates as a manure, 



139 

 Sulphur showers, 282 

 Sulphuretted hydro- 

 gen, effect on plants. 



160 

 Sulphurous acid gas, 



effect on leaves, 160 



Sumach, 474 - 



Sumatra camphor, 451 



flora of, 684 



Rumbul root, 508 

 Sundew, 441 

 Sunflower, 521 

 Sun spots as affecting 



vegetation, 399 

 Superior applied to the 



parts'of a flower, 195 

 Supervolute, iii 

 Suppression of organs, 



365 

 Supradecompound, 92 

 Surculi, 114 

 Surinam medlar, 531 

 Suspended, 257, 330 

 Suspensor, 253 

 Sutural, 303 

 Sutures, 224, 240 

 Swallow's nest, 655 

 Swamp-pine, 599 



Sassafras, 429 



Swartzia, 478 

 Swartz's Region, 687 

 Sweet bay, 567 



cane, 632 



fern, 592 



flag, 62s 



sop, 430 



vernal grass, 631 



Swietenia, 460 

 Sycamine tree, 586 

 Sycamore, 458 



fruit of, 311 



Sycamorus, 586 

 Syconus, 361 

 Sylhet varnish, 474 

 Symbols, 412 

 and abbreviations, 



830 

 for number cif 



parts of the flower, 



for unisexual 



flowers, 367 

 Symmetrical, 203 

 Symmetry, 363 

 causes of want of, 



365 , , ■ 



in acotyledons, 365 



in Cruciferas, 436 



in dicotyledons, 



364. 

 in monocotyle- 

 dons, 365 



