INDEX. 



617 



Spirolobeaa, 371, 400. 

 Spirotseuia, 44, 

 Spiruliua, 24. 

 Splacbnacese, 197. 

 Splachuum, 196, 197. 

 Spondias, 439. 

 Sponges, 8. 

 Sporangia, 239. 

 Sporangial-layers, 88. 

 Sporangiocarp, 88. 

 Sporangio - fructification, 



87. 



Sporangiophore, 88. 

 Spores, 10. 



Liberation and Distri- 

 bution of, 91. 



Germination of, 93. 

 Sporidia, 112. 

 Sporobolus, 295. 

 Sporocarp, 205, 219. 

 Sporochnaceae, 71. 

 Hporochnus, 71. 

 Sporogonium, 186. 

 Sporophylls, 223, 235, 236. 

 Sporophyte, 181, 186. 

 Spring-spores, 147. 

 Spumaria, 8. 

 Spurge, 431, 432. 

 Spurge-laurel, 449. 

 Spnrry, 366. 

 Squatii ariacee, 84. 

 "Squills," 314. 

 Squirting cucumber, 480. 

 Stachydeaa, 538. 

 Stacbys, 538, 541. 

 Stachytarpbeta, 535. 

 Staehelma, 570. 

 Stag-truffle, 124. 

 Stalk, 186. 

 Stamen, 235, 236. 

 Stamiuate, 286. 

 Stangeria, 253, 254. 

 Stanhopea, 332. 

 Stanleyinae, 404. 

 Stapelia, 546. 

 Stapbylea, 440. 

 Stapbyleacea3, 440. 

 Stapbylococcus, 39. 

 Star-aniseed, 389. 

 Statice, 514. 

 Staurastrum, 42, 43, 44. 

 Steenbammera, 533. 

 Stegocarpeee, 195. 

 Stellaria, 364, 365, 366. 

 Stella ta3, 550, 552, 553. 

 Stemless Plants, 1. 

 Stemonitis, 7, 8. 

 Stepbanospermum, 272. 

 Stephanosphaara, 48. 

 Sterculia, 422. 

 Sterculiacese, 422. 



Stereocaulon, 143. 

 Stereum, 162. 

 Sterigmata, 144, 146. 

 Sterilization, 32. 

 Sticta, 134, 137, 143. 

 Stictidacese, 133. 

 Stictidales, 133. 

 Stictis, 133. 

 Stigeoclonium, 54. 

 Stigma, 3, 250. 

 Stigmaria, 233. 

 Stigonem*, 26, 142. 

 Stilbaceas, 532, 541. 

 Stilbe, 541. 

 Stillingia, 434. 

 Stilopbora, 71. 

 Stilophoraceee, 71. 

 Stinkbrand, 113. 

 Stink-born, 172, 173, 

 Stipa, 291, 294, 296. 

 Stitcbwort, 366. 

 St. John's-wort, 413. 

 Stock, 402, 405. 



Stonebrand, 113. 



Stonecrop, 451. 



Stone-wort, 1, 14. 



Stork's-bill, 419. 



Stratiotes, 282. 



Strawberry, 458. 



Strawberry-tree, 508. 



Strelitzia, 325. 



Streptocarpus, 528. 



Streptocbaeta, 290. 



Streptococcus, 39. 



Streptopus, 314. 



Striaria, 70. 



Striariacese, 70. 



Strickeria, 129, 130. 



Stroma, 88. 



Stromantbe, 327. 



Strophanthus, 544. 



Struthiopteris, 209, 214, 

 254. 



Struvea, 9, 62. 



Strychnine, 546. 



Strychnos, 546. 



Sturmia, 332. 



Stylar-column, 328 

 -brusb, 567. 



Style, 250. 



Stylidiacea?, 564. 



Stylidfum, 564. 



Stylochrysalis, 15. 



Stylopod, 492. 



Styphelia, 509. 



Styracaceaa, 511. 



Styrax, 511. 



Styrax-balsam, 455. 



Subhymenial layer, 167. 



Subularia, 393, 39iJ, 400, 

 401. 



Succisa, 517. 

 Sugar-beet, 372. 

 Sugar-cane, 239, 293, 296. 

 Sugar-root, 498. 

 Sulpbur-bacteria, 37, 38. 

 Sumach, 439. 

 Summer-spores, 147. 

 Sundew, 407. 

 Sun -flower, 572. 

 Sunn hemp, 473. 

 " Surface yeast," 178. 

 Surirayeae, 21. 

 Suspensor, 233, 240, 247. 

 Swamp cypress, 267. 

 Swarmspores, 10, 87. 

 Swede, 405. 

 Sweet Cicely. 498. 

 Sweet-flag, 303. 

 Sweet-gale, 351. 

 Sweet oil, 547- 

 Sweet-pea, 470. 

 Sweet-potato, 517. 

 Sweet-vernal, 295, 296. 

 Swertia, 542. 

 Swietenia, 436. 

 Swine's-succory, 571. 

 Sycamore, 133, 442. 

 Symbiosis, 85. 

 Sympetalas, 336. 50.4. 

 Symphoricarpus, 554, 556. 

 Sympbyandra, 562. 

 Symphyllodium, 257. 

 Syrnphytopleura, 387. 

 Symphytum, 533, 535. 

 Symploca, 24. 

 Synalissa, 139. 

 Syuandrium, 306. 

 Synangium, 212. 

 Syncarp, 278. 

 Syncepbalis, 100. 

 Synchytrieas, 103. 

 Synchytriuin, 103. 

 Syncrypta. 15. 

 Synedra, 21. 

 S.ynergidaa, 248. 

 Syngeneticae, 1, 14, 15, 17, 



4S. 



Syngouium, 3^06. 

 Synura, 15. 



Syringa,455,54G,547,550. 

 Systegium, 196. 

 Systematic division of the 

 A'gse, 14. 



of Filices, 210. 



of Fungi, 95. 



of Monocotyledons, 277. 



of Thallophytes, 4. 



of Vascular Crypto- 

 gams, 204. 



Tabellaria, 19. 



