INDEX 



825 



Sheep's sorrel, 70, 610. 

 Shepherd's purse, 27, 98, 275, 592. 

 Sherifif, Patrick, 307. 

 Shield-budding, 263. 

 Shoot, 34. 



of fruit-trees (Fig. 19). 



Shooting of corn, 487. 



Short-lived grasses, 563. 



Short oat, 494. 



Shrubs, 53. 



Sieve-plates, 120. 



Sieve-tube, ng. 



Silage, 764. 



Silica, 175, 205. 



Silicon, 175. 



Silicula, 98. 



Siliqua, 98 (Fig. 44). 



Silver-fir, 128, 134, 



Silver-weed, 403, 606. 



Simple inflorescence, 90. 



Simple leaf, 71. 



Simple pits, no (Fig. 50). 



Sinalbin, 384. 



Sinafis, 16. 



Sinigrin, 230, 382. 



Six-rowed barley, 501 (Fig, 160). 



Sleep-movements, 252. 



Slender foxtail, 532, 665 (Fig. 210). 



Slime-fungi, 323, 765. 



Sloe, 54, 66, 74, 103, 399. 



Slugs, 807. 



Smooth-stalked meadow-grass, 542, 554, 



671 (Fig. 218). 

 Smut of barley, 719. 



maize, 723. 



oats, 716. 



rye, 720. 



wheat, 718, 719. 



Snapdragon, 91, 327. 



Snowdrop, 73, 229, 329. 



Sodium, 176. 



Soft-grass, 535. 



Soft Brome-grass, 546 (Fig. 184), 555. 



Solanacese, 327, 456-469. 



Solanum, 251, 456. 



Solitary flower, 89. 



Sonchus, 596. 



Sorrel, 70, 164, 326, 610. 



wood 164, 252 279. 



Sorus, 728. 



Sow thistle, 596. 



Spadix, go. 



Spalding wheat, 526. 



Spanish chestnut (Figs. 27, 67), 62, 96, 



124, 136, 263. 

 Spathc, 73, 90. 



Spathulate, 70. - 



Spawn of fungus, 678, 741. 



Spear thistle, 608. 



Species, 321. 



Species-hybrids, 287. 



Speedwell, 89, 280, 327. 



Spelt-wheats, 516, 518. 



Sfergula, 326, 593. 



Spermaphytes, 3, 324. 



Spermatia, 731. 



Spermogonium, 731 (Fig. 248). 



Sphacelia, 761. 



Sfhcerotheca, 749, 750. 



Spike, 90 (Fig. 39), 479. 



Spikelet, 90, 478 (Figs. 149, 150, 207). 



Spines, 54, 



Spindle tree, 61. 



Spircea, 408. 



Spiral arrangement of buds, 64. 



of leaves, 75. 



Spiral thickening, no (Fig. 51). 



Spiral vessel (Fig. 51). 



Spirillum, 769 (Fig. 260). 



Splint-wood, 127. 



Spongioles, 183. 



Spongospora, 710. 



Spongy parenchyma, 147 (Fig. 75). 



Spontaneous movements, 247. 



Spores, 323, 679, 771. 



Sporangiophore, 680 (Fig. 230). 



Sporangium, 680 (Fig. 230). 



Sporidia, 716. 



Sporophore, 682, 742. 



Sport, 304. 



Spring-rust, 735. 



Spring-wood, 124 (Fig 64). 



Sprouting, 683, 746. 



Spruce, 128, 134. 



Spurge, 93. 



Spurious fruit, 96. 



Spurrey, 326, 593. 



Spurs, 44 (Figs. 17, ig, 20). 



age of, 50. 



arrangement of, 4g. 



Squarehead wheat, 524 (Fig. i6g). 



's Master wheat, 527. 



Squirrel-tail fescue, 676. 



Stamen,- 79 (Fig. 36). 



Staminate flowers, 87. 



Staphylococci (Fig. 261). 



Starch, 156 (Fig. 79), 211, 223, 224. 



Starch-cellulose, 158. 



Starch wheat, 518 (Fig. 167). 



Stele, 114, 116. 



Stellaria, 93, 326, 593. 



Stem, 34. 



