INDEX 



595 



Iodine test, 20. 



Iridacece, 536. 



Iris flower, 287. 



Irish Moss, 444. 



Iron Bacteria, 408. 



Ironwood, 113. 



Irritability, 39, 55. 



Isoetes lacustris, 507. 



Isogamete, 397. 



Isogamous, 415. 



Ivory, Nut, 533 ; Palm, 373. 



Jack fruit, 346, 542. 

 Juglandales, described, 541. 

 Juncaceoe, 536. 



Jungermanniales, described, 482. 

 Jussicea, 252, 572. 



Kelps, 440. (^ 



Kinds of plants, 391. 

 Knees, 252. 

 Knotweeds, 544. 

 Knowledge, useful, 5. 

 Krummholz, 585. 



Labiatce, 555. 



Laboulbeniales, 455. 



Laciniate, 203. 



Lamarck, 315. 



Laminaria saccharina, 441. 



Laminariales, 440. 



Latex, 108, 109; system, 134; sys- 

 tem, described, 134. 



Lathyrus Aphaca, 78, 80; vernus, 

 pod, 365. 



Lauracece, 546. 



Leaf, anatomy, 28, 29 ; Aquatics, 

 572 ; arrangements, 139 ; auricu- 

 late, 68, 69 ; axil of, 73 ; of Bidens 

 Beckii, 62 ; characteristics, 15 ; 

 compound, 16, 67 ; connate-per- 

 foliate, 69 ; economics, 94 ; entire, 

 68; as a factory, 26; functions, 



7, 72; linear, 63, 63; lobed, 67; 

 margins, 68; morphological plas- 

 ticity, 82 ; mosaic, 56 ; netted- 

 veined, 17, 66; orbicular, 62, 63; 

 ovate, 64, 66 ; palmately com- 

 pound, 68 ; parallel-veined, 17, 

 66; perfoliate, 68, 69; pinnately 

 compound, 68 ; pitchered, 202, 

 203 ; plan, 34 ; scars, 120 ; ser- 

 rate, 68; shapes, 62, 68; simple, 

 16 ; storage function, 72 ; struc- 



ture, 17 ; Succulents, 570 ; ten- 

 drils, 76, 78 ; thickness, 16 ; trace, 

 119; Traps, 579; typical, 16; 

 venation, 18. 



Leaflet, 16. 



Leafy Liverwort, 482, 505. 



Leaves, arrangements, 139 ; alter- 

 nate, 140, 141, 142; opposite, 

 139; variegated, 89; whorled, 

 140. 



Legume, 348. 



Leguminosce, 548 ; vs. Bacteria, 246 ; 

 tubercles of, 408. 



Lemna, 572 ; minor, 535. 



Lemnacece, 534. 



Lenticel, 120, 121; described, 121. 



Lepidodendron, 509. 



Leptosporangiate, 494. 



Lettuce bud, 136. 



Lianes, 575. 



Lichen, 459, 570 ; Crustaceous, 461 ; 

 Foliose, 461, 462; Fructicose, 461, 

 462 ; Reindeer, 461, 463. 



Lichenes, described, 459. 



Life cycle, Angiosperm, 525 ; Corn 

 Smut, 465; Fern, 496; Fucus, 

 442 ; Marchantia, 481 ; Moss, 488 ; 

 Pine, 521; Selaginella, 506 ; Wheat 

 Rust, 467. 



Life history, 3. 



Life Plant, 71. 



Light, adjustment, 52 ; leaves ad- 

 justed, 57; role in plant, 26; 

 screen, 20. 



Lignin, 98. 



Liliacece, 536. 



Liliales, described, 535. 



Linden, bract, 74 ; bundles, 133, 550. 



Linen, 205. 



Linncea, 556. 



Linnsean species, 317. 



Linnseus, 7, 315. 



Linum, 525. 



Lipase, 110. 



Little Club Mosses, 505. 



Liverworts, 11, 479. 



Loam, 241. 



Locomotion, 357. 



Locust, flower, 549. 



Long Moss, 185, 463, 535, 577. 



Loranthaceoe, 543. 



Lotus, receptacle, 361. 



Lumber, 205. 



Lycoperdon cyathiforme, 475. 



