I N DE X. 



Sarcocarp, 427. 

 Sarcogyne, spores, 123. 

 Sargassum, 65, 70. 

 Sarraceniaceae, 469. 

 Sauromatum, leaves, 437. 

 Saurureae, 468. 

 Sauteria, 160. 

 Sauteria alpina, antheridium, 



160, 163. 

 Saxifraga cordifolia, Fig. 



"^ O ~* 



j3- 

 Saxifragaceae, inflorescence, 



411. 



Saxifrageae, 470. 

 Saxifragineae, 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, 339. 

 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, 



43 6 > 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. 



8 4 .) 



Scytonemeae, 23, 124 ; he- 

 terocysts and hormogonia, 

 23. 



Scytosiphon, 66 ; conjuga- 

 tion of gametes, 67. 



Secale, 130. 



Secondary nucleus, 387. 



Secondary phloem, 463. 



Secondary xylem, 463. 



Secundine, 302. 



Sedum, inflorescence, 409 ; 

 ovule, 385. 



Seed-coat, 305. 



Seed-Plants, 299, 389; 

 branching, 302 ; carpels, 

 305; embryo, 30 1 ; fertilisa- 

 tion,3o6,307 ; flower, 303 ; 

 fruit, 307, growing point, 



302 ; histology, 308 ; in- 

 florescence, 300, 304; ma- 

 crosporangia, 300, 304 ; 

 macrospores, 304 ; micro- 

 sporangia, 30 1 , 304 ; micro- 

 spores, 300, 304; ovule, 

 305 ; 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, 284andofc. (Fig. 



, 231.) 



Selaginella cuspidata, 284 

 note, 291. 



Selaginella denticulata, Fig. 



^ 2 43- 



Selaginella erythropus, 286 



note. 

 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 Poultcri, 284 

 note. 



Selaginella pubescens, sto- 

 mata, 296. 



Selaginella serpens, 290. 



Selaginella spinulosa, 290. 



Selaginella stenophylla, 296. 



Selaginella stolonifera, 284 

 note. 



Selaginella viticulosa, 284 

 note. 



Selaginella Wallichii, 290. 



Selaginelleae, 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. 



Sileneae, 86, 468 ; 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. 



Sirosiphoneae, 124. 



Sisymbrium, branching in 

 inflorescence, 41 1. 



Smut (Gramineae), 87. See 

 also Ustilagineae. 



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. 

 2,69. 



Solorina saccata, Fig. 82. 



Sorbus, 131. 



