604 



INDEX 



All numbers refer to pages, heavy typo imlicating illustrations. 



Saprophyte, 493 



Sap-wood, 240 



Sassafras, Kio, 168. 360, 406, 407; 



oil of, 297; pith, 163; wood, 260 

 Sassafras officinale. Sassafras 

 Haturein hortensis, Summer Savory 

 Savory, 418, 419; herbs, 128, 137; 



seeds, 128, 137; summer, 137, 



383 

 Savoy cabbage, 69 

 Saxifragacetr, Saxifrage Family 

 Saxifrage Familv, 399: currant, 



94 

 Scale-like outgrowths, 538 

 Scale-tree, 299, 301 

 Scale-tree Family: scale-tree, 299, 



301 

 Scallop Squash, 80 

 Schizocarp, 370 

 Schizomycetes, Fission Fungi 

 Scitaminales, Banana Order 

 Sclerenchyma, 538, 540 

 Sclerotic tissues, 538 

 Scotch Pine, 269; rose, 151 

 Scouring-rush, 541, 542, 543; 



giant, 299 

 Scouring-rush Family: scouring- 

 rush, 541, 543 

 Screens, 223 



Scrophulariacece, Figwort Family 

 Scutellum, 388 



Sea Island Cotton, 225, 226, 227 

 Sealing-wax, 288 

 Seaside Buttercup, evolution of, 



462 

 Seaside Crowfoot, 463 

 Sea-t angle Familv: sea-tangles, 



486, 488 

 Sea-tangle.s, 485, 486, 488 

 Seaweed Division, 491 

 Seaweed Subdivision, 395, 396 

 Seaweeds, 308 

 Secale cereale, Rye 

 Secondary, inflorescence, 352; 



leaves, 318, 319; tissue, 542 

 Sedge Family, 397 

 Seed, 350, 351, 550; albuminous, 



355; exalbuminous, 363, 557; of 



flax, 317, 318 

 Seed-bud, 48, 317, 318 

 Seed-coat, 316. 317, 318 

 Seed-food, 29, 316, 317, 318 



Seed-leaves, 46, 48, 317, 318 



Seedling, development, 317; of 

 flax, 318, 319 



Seed-oils, 101 



Seed-plant Division, 393, 396, 397 



Seed-plants, 393, 396, 397 



Seed-root, 48, 317, 318 



Seeds, 352; make best provision 

 for off.spring. 550; parts of, 

 29, 49, 316, 352; the greatest 

 achievement of the vegetable 

 kingdom, 560 



Seed-stem, 317, 318 



Seed-wing, 551 



Seed wort Division, 394, 396 



Seedworts, 393, 394, 396, 397 



Selaginella, 550 



SelagineUacece, Selaginella Family 



Selaginella Family: selaginellas, 

 545-547 



Sdagindla spp., Selaginellas 



Selaginellas, 545-547 



Selected adaptations, 446, 452 



Selection, artificial, 127, 446, 447; 

 natural, 447, 448; subordinate 

 role of, 460 



Self-control inherent in every or- 

 ganism, 464 



Self-movement, 461 



Sepal, 29, 319, 352 



Septicidal dehiscence of capsule, 

 379 



Septic organisms, 177 



Sequoia sempemrens, Redwood 



Service versus competition, 468 



Sessile, 342 



Sewing-thread, 223 



Sexual, generation, 560; reproduc- 

 tion, 480 



Sexuality lost in certain fungi, 501 



Shade trees, 303 



Shagbark Hickorv, 41 



Sheath, 337 



Sheath-algaj, 482, 483, 484, 514, 

 558; compared with spore-sac 

 fungi, 501 



Sheath-alga Family: cushion 

 sheath-alga, 484; free-branching 

 sheath-alga, 483 



Sheep Laurel, 202, 379 



Shelf fungus, 239 



Shell substitute, 284 



