378 



EMBRYOGENESIS IN PLANTS 



Sargant, 270, 272 



Sargassaceae, 54 



Sargassum, 17, 51, 54, 56; S. linifolium, 



52, 54; Fig. II 

 Sassafras varii folium, 255; Fig. 59 

 Satina, 310, 312, 313 

 Saxegothaea, 209, 214; S. conspicua, 



205; Fig. 46 

 Saxifraga, 248; S. cotyledon. Fig. 61; 



S. caespitosa. Fig. 61 ; 248 

 Saxifragaceae, 244, 245, 248 

 Saxifragales, 245 

 Saxton, 204, 209, 210, 212 

 Scabiosa, 240, 255, 278; S. succisa. 



Fig. 74 

 Scapania nemorosa. Fig. 6 

 Scenedesmus, 44 

 Sciadopitys, 200; S. verticillata. Fig. 



45; 198 

 Scolopendrium vulgare, 144, 147, 155; 



Fig. 34 

 Scott, 185 



Scrophulariaceae, 260, 282, 285 

 Scurnda atropurpiirea. Fig. 74; 278 

 scutellum, 262, 270, 272, 274, 276, 277 

 Schaeppi, 281 

 Schaffner, 265 

 Schechter, 19 

 Schizaea pusilla, 1 50 

 Schizaeaceae, 150 

 schizocotyly, 257 

 Schleip, 320 

 Schnarf, 223, 235, 289 

 Schneider, 311 

 Schoute, 216 

 Schuepp, 1 14 

 Schwaritz, 14 



Secale cereale, 297, 300, 301 

 secondary suspensor, 191, 192 

 Sedgwick, 176 

 Sedum acre, 258; Fig. 57; 64; S. 



faharia, 290 

 seed habit, 177 

 seed plants, 171 

 seedling, 251 

 seeds, 171, 172, 251, 268, 281; 'hor- 



monising' of, 310, 31 1 

 segmentation pattern, 26, 60, 61, 81, 94, 

 112, 122, 142, 148, 149, 156, 161, 167, 

 200, 219, 238, 249; Fig. 6; in brown 

 algae, 44; and organ formation, 144, 

 167; and organogenesis, 90, 91 



Seifriz, 321 

 Seiroccus, 56 



Selaginella, 13, 22, 37, 56, 92, 104, 107 

 112, 114, 116, 117. 118, 121, 122, 123 

 124, 139, 168, 169, 170, 171, 172, 277 

 322, 326; Figs. 5, 25, 28; S. anocardia 

 121 ; S. apus, 108, 1 10; S. denticulata 

 107, 110, 112, 114, 116, 124; Fig. 25 

 S. galeottei, 112, 114, 123; Fig. 28 

 S.grandis, 116; S. helvetica, 107; S 

 kraussiana, 108, 114, 123; Fig. 28 

 S. lyallii, 116; S. martensii, 110, 112 

 Fig. 27; S. pallescens, 122; S 

 poulteri, 114, 116, 123; Figs. 26, 27 

 S. preissiana, 116; S. rubricaulis, 112 

 114, 121; Fig. 28; S. rupestris, 108 

 5". spinulosa, 9, 107, 108, 110, 116 

 117, 121, 124; Fig. 25; S. wallichii 

 116; S. willdemwii, 107 



Selaginellites, 107 



self-determination, 83 



semigamy, 287 



Sequoia, 177, 180, 190, 200, 220; S. 

 gigantea, 200; S. sempervirens, 9, 

 200, 202; Figs. 1,44 



Sequoiadendron, 200; S.giganteum, 200, 

 202 



Sesbania aegyptiaca. Fig. 63 ; S. grandi- 

 flora. Fig. 63 



Shattuck, 290 



Sherardia arvensis, Fig. 58 



shoot apex, 37 



deSilva, 182 



similitude, 323 



Singh, 251, 281 



Siphonales, 42 



Siphonocladus pusillus. Fig. 9 



Sisymbrium, 245 



size and form correlation, 193, 221 



size-structure relationship, 31 



Skirm, 301 



Skovsted, 293 



Smart, 281 



Smith, 158, 254, 298, 301 



Sobralia macrantha, 268 



Solonad type, 235, 242 



Solamun luteum, 287, 301 ; 5. nigrum, 

 287, 298, 301 



Sorghum, 276 



Soueges, 223, 230, 231, 232, 235, 236, 

 244, 248, 249, 250, 261, 264, 274, 276, 

 307 



