T XD E X. 



'^11 



Sarcocarp, 427. 

 Sarcogyne, spores, 123. 

 Sargassum, 65, 70. 

 Sarraceniaceae, 469. 

 Sauromatuin, leaves, 437. 

 Saiirureae, 468. 

 Sauteria, 160, 

 Sauteria alpiiia, antheridium, 



160, 163. 

 Saxifraga cordifolia, Fig. 



303. 

 Saxifragaceae, inflorescence, 



411. 

 Saxifrageae, 470. 

 Saxitragineae, 470. 

 Schistostega, apical cell, 



branching, 169 ; phyllo- 



taxis, 166. 

 Schistostega osmundacea, 



protonema, 172. 

 Schizaea, 228 ; leaves, 213. 

 Schizaeaceae, 194, 228 ; an- 



nulus, 219; prothallium, 



201. 

 Schizandreae, 468. 

 Schizocarp, 427, 428. 

 Schizomycetes, 13, 20, 21, 



24; division, 25; spores, 



26. See also Fission-fungi. 

 Schizonema, 18. 

 Schizophytes, 13. 

 Schizophyta, 20. 

 Sciadopityeae, 359. 

 Sciadopitys, 339; female 



flowers, 327. 

 Scilla bifolia, inflorescence, 



409. 

 Scirpus, floral diagram, Fig. 



365 ; inflorescence, 408. 

 Scitamineae, floral diagram, 



429; flower, 425, 426; 



gynaeceum, 440 ; leaves, 



436, 437; ovules, 441 ; 



perisperm, 394; seed, 430; 



zygomorphium, 440. 

 Sclerantheae, 468. 

 Scleranthus, floral diagram. 



Fig. 399. 

 Scleroderma, 138. 

 Sclerospora, 92. 

 Sclerotia, 17, 82, 108, 109, 



112, 131, 135. 

 Scolecite (Ascobolus), 112. 

 Scrophularineae, 471. (Fig. 



343.) 



Scutellum, 431. 



Scutiform leaf, 233. 



Scytonema, 23, 126. (Fig. 

 84.) 



Scytonemeae, 23, 124 ; he- 

 terocysts and hormo^'onia, 

 23. 



Scytosiphon, 66 ; conjuga- 

 tion of gametes, 67. 



Secale, 1 30. 



Secondary nucleus, 387. 



Secondary phloem, 463. 



Secondary xylem, 463, 



Secundine, 302. 



Sediim, inflorescence, 409 ; 

 ovule, 385. 



Seed-coat, 305. 



Seed -Plants, 299, 389; 

 branching, 302 ; carpels, 

 305 ; embryo,3oi ; fertilisa- 

 tion, 306, 307 ; flower, 303 ; 

 fruit, 307 ; growing point, 



302 ; histology, 308 ; in- 

 florescence, 300, 304 ; ma- 

 crosporangia, 300, 304 ; 

 macrospores, 304 ; micro- 

 sporangia, 301, 304; micro- 

 spores, 300, 304 ; ovule, 

 30s ; pollination, 306 ; re- 

 lation to Vascular Crypto- 

 gams and Gymnosperms, 



303 ; sexual generation, 

 299. 



Selagineae, 471. 



Selaginella, 274 ; archegonia, 

 286 ; embryo, 287 ; funda- 

 mental tissue, 296; grow- 

 ing point, 288 ; lateral 

 branches, 290; leaves. 289; 

 macrospores, 285 ; roots, 

 291; spermatozoid, 275 

 note, 285 ; sporangia, 191, 

 274, 291, 293, 385 ; stem, 

 289; vascular bundles, 

 296. (Fig. 236.) 



Selaginella arborescens, 290. 



Selaginella caulescens. an- 

 theridia, 284and c/^". (Fig. 

 231-) 



Selaginella cuspidata, 284 

 note, 291. 



Selaginella denticulata, Fig. 

 243. 



Selaginella erythropus, 286 

 }iote. 



Selaginella fulcrata, 284 

 note. 



Selaginella hortensis, apical 

 cell, 290. 



Selaginella inaequalifolia, 

 284 note ; macrospores, 

 292 ; rhizophores, 291. 

 (Figs. 235, 237, 238, 242, 

 244. 245.) 



Selaginella Krausiana, 284 

 note\ phyllotaxis, 290, 291 ; 

 epidermis, 296. 



Selaginella laetevirens, 284 

 note. 



Selaginella laevigata, 291. 



Selaginella Martensii, 184 

 and note\ 290, 291, 296. 

 (Figs. 231, 232, 234.) 



Selaginella Pouitcri. 284 

 note. 



Selaginella pubesccns, sto- 

 mata, 296. 



Selaginella serpens, 290. 



Selaginella spinulosa, 290. 



Selaginella stcnophylla, 296. 



Selaginella stolonifcra, 284 

 note. 



Selaginella viticulosa, 284 

 note. 



Selaginella Wallichii, 290. 



Sclaginellcae, 189, 196; an- 

 theridia, 190 ; archegonia, 

 191; connection with Coni- 

 ferae, 192; prothallium, 

 190; spores, 189, 191 ; 

 sporophyte, 191. 



Senebiera, floral diagram, 

 416. 



Senecio Doria, conducting 

 tissue, 404. 



Sepaloid, 350. 



Septicidal dehiscence, 428. 



Sequoia, 339. 



Serjana, stem, 465. 



Seta, 177, 185, 



Sexual reproduction, 5. 



Shield (Characeae), 57. 



Sibbaldia, Fig. 404. 



Sibbaldia cuneata, Fig. 348. 



Sigillarieae, 193, 346. 



Sileneac, 86, 46s ; inflores- 

 cence, 409. 



Siliqua, 428. 



Silphium, inflorescence, 409: 

 leaves, 453. 



Simarubeae, 469. 



Siningia, oospheres, 389, note 



4- 



Siphoneae (Coeloblastae), 

 27, 28, 29, 42, 81 ; asexual 

 propagation, 29 ; descrip- 

 tion, 28, 29 ; sexual pro- 

 pagation. 28. 



Siphonocladiaceae, 42. 



Sirogonium, 50. 



Sirosiphon, 23. 



Sirosiphoncae, 124. 



Sisymbrium, branching in 

 inflorescence, 411. 



Smut Gramineae), 87. See 

 also Ustilagincae. 



Solanaceae, 471 ; branching 

 in inflorescence, 411; 

 flower, 425; inflorescence, 

 409 ; stem, 466 ; stigma, 

 380; synergidae, 389. 



Solanum. fruit, 429 ; pollen- 

 sacs, 368. 



Solanum tuberosum, Fig. 

 269. 



Solorina saccata. Fig. 82. 



Sorbu'^, I ; I. 



