

SUBJECT INDEX. 



Numbers in black type refer to illustrations of a particular plant or subject. 



Absciss-laver, 143. 

 Absciss-phelloid, 143, 144. 

 Absorption by leaves, 216. 236 sqq. 



by roots, 217 sqq. 



of reserve-materials, 243 sqq. 

 Acid, acetic, 504. 



formic, 504. 



hydrocyanic, 262. 327. 



lignic, 47. 



malic, 41, 504. 



oleic, 415. 



oxalic, 8, 41,. 533. 



palmitic, 415. 



phellonic, 134. 



phloionic. 135. 



propionic, 504. 



stearic, 415. 



suberic, 135. 

 Adaptation, 1 sqq., 68. 



biological, see Adaptation, ecological. 



direct, 5, 8. 



ecological, 7. 



physiological, 7. 



purposeful character of, 8. 

 Adhesive discs of tendrils. 208. 

 Adsorption. 223. 

 Aerenchyma, 434, 437, 441, 442. -1 13, 444, 



480. 

 Ageotropism, 602, 603, 605. 610, 611. 

 Air-chamber, 297, 455. 



external. 461 sqq. 



internal, 455. 461 sqq. 

 Air-cleft. 435. 

 Air-passage, 435. 



hypostomatic, 455, 456. 

 Air-pores of Liverworts, 297. 470. 471. 

 Albumose, 415. 

 Alburnum, see Sap-wood. 

 Aleurone-grain, 42. 415. 416. 417. 420, 



421. 

 Aleurone-layer, 11, 69, 421. 505, 506. 507. 



636. 

 Alkaloid, 42, 140. 

 Allo-chlorophyll, 267. 

 Allvl isothiocyanale. 529. 

 Alternative design. 6, 689, 696, 698 sqq. 

 Amygdaline, 529. 

 Amylodextrine. 410, 412, 429. 

 Amyloerythrine, 410. 

 Amyloid, 46, 4 13. 414. 418, 422. 



Amyloplast, 38, 337, 411, 412. 



Amylose, 410. 



Amputation experiment, 609. 



Analogy, 70. 



Anchor-cell, 194. 



Anchoring-hair, 206. 



Annual rings, 675 sqq.. 701. 



Annulus, 557. 558. 



Antenna, 581. 



Anthocyanin, 42, 117, 118. 428. 



Apical cell, four-sided, 82. 



two-sided, 81. 



three-sided, 82. 

 Apical growth, 222. 

 Apical pore, 496, 501 . 

 Apophysis, 298. 

 Apostrophe, 273, 274. 

 Appressorium, 255. 

 Aril, 428. 

 Arm-palisade-cell, 263, 277, 278, 27!). 283, 



301. 

 Ascent of sap, 312 sqq. 

 Ascospore, 35, 43. 

 Ash-constituents, 302. 

 Asparagin, 42, 327, 415. 416. 

 Assimilation, 261. 

 Astrosclereide, 160, 162. 

 AsjTnmetrical illumination, 618 sqq. 

 Atomisation, 46. 

 Attachment-organs of seeds and fruits. 



207, 208. 209. 210. 

 Autumn wood. 675 sqq. 

 Axile strand, 375. 



Back-cavitv (of stoma). 446. 



Bark, 142, 658, 659. 



Bast, 152. 



Bast -cylinder, see Stereome-cylinder. 



Bast-fibre, 49, 50. 152. 153. 652. 657. 



Beltian body, 429. 



Benzaldehyde, 529. 



Betain, 416. 



Betulin 135. 



Border-parenchyma, see Bundle -sheath, 



parenchymatous. 

 Brachysclereide, see Stone-cell. 

 Brasilin, 685. 



Breathing-root, 437. 442, 480. 

 Bundle-end. 313. 323. 36."). 366. 367. H)6, 



407. 493 sqq., 503. 504. 538. 



