574 



INDEX 



Royal-palm (see also "Oreodoxa"), 



375, 387. 



Rubiaceae, 454, 459. 

 Rubiales, 448, 449, 453, 454, 459. 

 Rumex, 28, 422, 424; R. crispus, Figs. 20, 



407. 



Runner, 24, 361, 362. 

 Rust (see also " ^Ecidiomycetes," " Puc- 



cinia"), 149, 162, 163, 174, 175, 176, 



191, 476. 

 Rutaceae, 436, 445. 



Sabal, 386, 387. 

 Sabiaceae, 446. 

 Sabiineae, 446. 

 Saccharomyces, 60, 165; S. cerevisise, 



Figs. 42, 129 ; structure, 165. 

 Saccharomycetaceae, 165. 

 Sac-fungi (see also " Ascomycetes"), 



162. 



Sage (Salvia),364. 

 Sage-brush (Artemisia) , 546, 549. 

 Sagittaria, 75, 367, 371, 377, 379,381, 382; 



S. variabilis, Fig. 355. 

 Sago, 54. 

 Sago-palm, 387. 

 Salicales, 414, 415. 

 Salix, 413, 415, Fig. 394. 

 Salpiglossis, 410. 



Salt-marsh plants (Halophytes) , 7. 

 Salvadoraceae, 458. 

 Salvia, 521, 522, 525 ; S. pratensis, Fig. 



491 ; S. splendent, 525. 

 Salvinia, 28, 282, 283, 287, 322, 532; S. 



natans, Fig. 249. 

 Salviniaceae, 282, 287. 

 Sambucus, 454. 

 Sanguiuaria, 23, 59, 365, 429, 526, 540, 



545; S. Canadensis, Figs. 14,416. 

 Santalaceae, 400, 420. 

 Sautalales, 414, 420, 421. 

 Sapindaceae, 445. 

 Sapindales, 424, 437. 

 Sapindineae, 437, 445. 

 Sapotaceae, Sapotineae, 458. 

 Saprolegnia, 31, 153, 154, 155, 476, Figs. 



23, 119; S.ferax, Fig. 119; S. dioica, 



S. hypogyna, 154; reproduction, 154. 

 Saprolegniaceae, Saprolegniineae, 153. 

 Saprophyte, 3, 7, 26, 28, 75, 149, 163, 167, 



174, 348, 405, 450, 475, 476, 505. 

 Sarcina, 39. 

 Sarcode, 34. 

 Sarcodes, 7. 

 Sargassum, 124, 130, 131, 133; S. bacci- 



ferum, 124. 

 Sarracenia, 430, 431, 478, 508; S. pur- 



purea, Fig. 418; S. variolaris, 508. 



Sarraceniaceae, 444, 507. 

 Sarraceniales, 404, 424, 429, 444. 

 Sassafras, 538. 

 Saururus, 363, 413, 414, 415 ; S. cernuus, 



Fig. 393. 



Saxifrage, Saxifragaceae, 432, 444. 

 Scale-leaves, 260, 336, 362, 377, 409. 

 Scale-mosses (see also " Jungermann- 



iales"),202, 211. 

 Scales, 20, 22, 26, 29, 207, 210, 258, 377, 



504; Bromeliaceae, 504; Ferns, 258; 



Marchantiales, 207, 210. 

 Scapanioideae, 219. 

 Scape, 365. 

 Scenedesmus, 98; S. dimorphus, S. ob- 



tusus, Fig. 68. 



Schizaea, 276, 277 ; S. pusilla, 276, 277. 

 Schizseaceae, 273, 276, 283, 292. 

 Schizocarp, 368, 439. 

 Schizophyceae (see also "Cyanophyceae"), 



44, 72, 73, 74, 79, 80, 84, 187, 188, 469, 



530; classification, 84; structure, 80. 

 Schizophyta, 36, 67, 71, 72, 91, 530; fossil 



S., 530. 



Schrankia uncinata, 433, 489, Fig. 424. 

 Sciadopitys, 332. 



Scirpus, 386, 405; S. lacustris, Fig. 360. 

 Scitamineae, 377, 380, 381, 393, 394, 395. 

 Sclerenchyma, 255, 256, 260, 262, 271, 



299. 



Sclerotinia, 167. 



Sclerotium (of Slime-mould) , 69. 

 Scolopendrium, 258. 

 Scouring-rush, 296. 



Screw-pine (Pandanus), 29, 363, 383, 384. 

 Scrophulariaceae, 452, 453, 458, 476, 506, 



521. 



Scutellum, 385. 



Scytomonas pusillus, 68, Fig. 48. 

 Scytonema, 80. 

 Scytonemataceae, 82, 84. 

 Scytopetalaceae, Scytopetalineae, 446. 

 Sea-lettuce (see also "Ulva"), 17. 

 Sea-palm (see also " Postelsia "), 124, 



497. 



Seaweeds (see also " Algae"), 6, 18, 496. 

 Secondary growth in thickness, 129, 375, 



407, 408. 



Secretory cells, 59. 

 Sedges, 369, 376, 384, 385, 514. 

 Sedum, 431, Fig. 420. 

 Seed, 6, 7, 32, 35, 322, 323, 341, 342, 359, 



402, 412, 413, 511, 512. 

 Seed-plants (see also " Spermatophyta," 



" Flowering plants "), 11, 27, 32, 195,^ 



200, 244, 298, 322. 

 Selaginella, 303, 305, 310-315, 322, 323, 



325, 356, 533; S. Kraussiana, Figs. 



