5'2 



INDEX. 



Sordaria, perithecium, io8, 

 109. 



Soredia, 123. 



Sori, 193, 216. 



Sorus (Ferns), 216. 



Spadiciflorae, branching, 

 434; empirical diagram, 

 439, 444; flowers, 439, 

 ^ 444 ; leaves, 437. 



Spadix, 407. 



Spathe, 353. 



Spatularieae, 112. 



Spawn. See Mycelium. 



Spawn-fungi, 81. 



Spermaphytes. See Seed- 

 Plants. 



Spermatia, 7, 27, 73, 77, 102, 

 104, 120, 127. 



Spermatocytes, 290. 



Spermatozoid, 6, 27, 33, 42, 

 43, 61, 72, 141, 190, 202 

 note. 



Spermogonia, 102, 104, 121, 

 127, 128. 



Spermothamnieae, 78. 



Spermothamnium flabelia- 

 tum, 78. 



Spermcithamnium hermaph- 

 roditum, sexual reproduc- 

 tion, 78. (Fig. 50.) 



Sphacelaria cirrhosa, gem- 

 mae, 68. 



Sphacelaria tribuloides, 68. 



Sphacelarieae, 67, 68 ; mode 

 of growth, 67. 



Sphacelia, 109. 



Sphaeria, fructification, 108. 



Sphaeria Lemaneae, perithe- 

 cium, 109. 



Sphaeria typhina, xo8. 



Sphaerococcus, 75. 



Sphaeroplea, 7, 29, 42 ; zoo- 

 spores, 42. 



Sphaeroplea annulina, 43. 



Sphagnaceae, 181, 182 ; an- 

 theridia and archegonia, 

 183 ; capsule, 184 ; dif- 

 ference from typical 

 Mosses, 163, 170; leaf, 

 169; spores, 184; sporo- 

 gonium, 184. 



Sphagnum, 141,181; anthe- 

 ridia, 141, 175, 183 ; arche- 

 gonia, 141, 176, 177, 

 183; archesporium, 179; 

 branching, 169, 181 ; 

 colourless cells, 183 ; em- 

 bryo, 177, 178, 180; 

 leaves, 182 ; phyllotaxis, 

 166; rhizoids, 170; seta, 

 177 ; social growth, 141 ; 

 sporogonium, 177, 184; 

 spores, 164, 177, 180, 181 ; 

 stem, 170, 182. 



Sphagnum acutifolium, Figs. 

 133, 134, 135, 137, 138, 

 139. 

 Sphagnum cymbifolium, c^ r- 

 tical tissue, 182. (Fig. 

 136.) 

 Sphenophylleae, 193, 195, 



273. 

 Sphenophyllum quadrifidum, 



leaf-trace-bundles, 273. 

 Spike, 407. 

 Spilonema, 124. 

 Spiraea, branching in inflor- 

 escence, 411. 

 Spiraea Aruncus, inflores- 

 cence, 407. 

 Spiraea Ulmaria, 408. 

 Spiraeeae, 471. 

 Spiral flowers, 412, 434. 

 Spirillum, 25. 

 Spirochaeta, 25. 

 Spirogyra, 50 ; conjugation, 



5- 

 Spirogyra jugalis. Fig. 27. 

 Spirogyra longata, Fig. 25. 

 Splachnum, antheridia, 174 ; 



apophysis, 188. 

 Splachnum luteum, stem, 



167. 

 Splenic fever (anthrax), 24. 

 Sporastatia morio, 119. 

 Spore, use of word, 10 note ; 



in Myxomycetes, 16. 

 Sporidia, 86, 127, 128. 

 Sporocarp, 7, 8 ; investment, 

 8 ; in Florideae, 78, 80 ; 

 in Muscineae, 140; in Fili- 

 cineae, 197. (Fig. 6.) 

 Sporocytes, 192. 

 Sporogonium (Muscineae), 

 140, 151, 177, 192 ; types 

 of, in Hepaticae, i^inote; 

 in Musci, 179. 

 Sporophore (sporophyte), 

 142, 150, 177, 190, 203, 

 332. 

 Sporophyll, 191. 

 Sprout-chains (Yeast-fungi), 



114. 

 Sprouting Fungi. See Yeast- 

 fungi. 

 Sprouting in Fungi, 81, 114. 

 Squamarieae, 80. 

 Stamen, 301. 

 Staminodes, 359. 

 Stangeria, stem, 344. 

 Staphisagria, flower, 421. 

 Staphylea pinnata, endo- 

 sperm, 394 note. 

 Staurospermum, 49. 

 Stephanosphaera, fertilisa- 

 tion, 38. 

 Sterculio Balanghas, sta- 

 mens, 358. (Fig. 283.) 



Sterculiaceae, 469. 



Stereocaulon, 116. 



Stereocaulon ramulosus, Fig. 

 84. 



Stereum, 126. 



Sterigmata, 83, 91, 105, 121, 

 132. 



Stichidia (Florideae), 75. 



Stichococcus, 120. 



Sticta, 1 15. 



Sticta fuliginosa, Fig. 76, 



Stigeoclonium, 41. 



Stigma-lobes in relation to 

 placentas, 380 note. 



Stilogonidia, 10, 88. 



Stilophora, 67. 



Stipe, 132, 135, 138. 



Stipules, 453; in Chara, 55. 



Stomata, 156, 159. 



Strasburger, on homologies 

 of pollen-grains, 365 note. 



Stratiotes, 445. 



Strelitzia, intine, 367. 



Stroma, 109. 



Strophioles, 430. 



Struthiopteris germanica, 

 leaf, 209; leaf-stalk buds, 

 212 ; sori, 217. 



Stiychneae, 471. 



Strychnos, stem-structure, 

 466. 



Strychnos nux-vomica, en- 

 dosperm, 395. 



Stylidieae, 472. 



Stylospores, 103. 



Stypocaulon, 67. 



Stypocaulon scoparium, Fig. 

 42. 



Styraceae, 471. 



Subhymenial layer, 134. 



Succulent capsule, 429. 



Superior (ovary), 371. 



Superposed (floral whorls), 

 413. 



Superposed member (oppo- 

 site), 413. 



Superposition, 457. 



Surirella, auxospores, 19. 



Suspensor, 287, 301. 



Suture (anther), 368. 



Swarm-cells (zoogonidia),ii. 



Swarm-spores, 27, 45, 47. 



Symbiosis (Fungi), 82 and 

 note, and 126. 



Symmetry, as understood in 

 France and England, 349, 

 note 1,412 note. 



Symmetry of flower, 433. 



Symphogyne, apical region, 



147. 

 Sympboricarpus, floral dia- 

 gram, Fig. 381. 

 Synalissa symphorea, Fig. 

 84. 



