498 



INDEX. 



Alisma Plantago, structure of fruit and 

 seed, 413 (fig. 150). 



Alkanna tincture, use of, 34, 88, 144, 

 186. 



Allium Cepa, structure of root, 163 

 (fig. 65) ; cultivation of pollen- 

 tubes,. 392. 



Alnus, length of tracheae in, 163. 



Aloe', red chromatophores, 57. 



nigricans, epidermis and stomata, 



86 (fig. 31) ; structure of leaves, 



86. 

 Alstrcemeria, cell and nuclear division, 



438. 



Alternation of generations, 332. 

 Althcea rosea, pollen grains, 388. 

 Alum, watery solution, use of, 249 ; to 



rectify transparency, 210; as a 



mordant, 111. 

 - carmine, use of, 111, 249, 296. 



hsematin, 249. 

 Aluminium chloride, 249. 

 Amanita, 333. 



Amitotic nuclear division, 456 (fig. 



160). 

 Ammonia, molybdate of, reagent for 



tannin, 71, 149. 



use of, 161, 259, 318. See also 



Appendix III. 



hsematin. See hsematin-ammonia. 

 Ampelopsis hederacea, autumn colora- 

 tion of, 58. 

 Amphigastria, 234. 

 Amylo-dextrin, 124, 131, 148. 

 Amyloplasts, 57. 

 Amylum bodies. See pyrenoids. 

 Anabcena Azollce, 261 (fig. 99). 

 Anagallis, pistil of, 397. 

 Anaptychia ciliaris, reproduction, 336 



(fig. 121) ; thallus, 239. 

 Anatropous ovule, 399 (figs. 145-8). 

 AndrcBcium of Angiosperrns, 380 ; of 



Gymnosperms, 367. 

 Angiosperrns, definition of, 367 ; an- 



drcecium, 380 (figs. 140-3) ; gynos- 



cium, 394 (figs. 144-8) ; seed, 409 



(figs. 149-151) ; fruit, 423. 

 Aniline blue, use of, 126, 128, 147, 176, 



178. See also methyl-blue. 

 with picric acid. See picric 



aniline blue. 



colours, basic, 270. 



green, O'OOl per cent., use of, 19, 



235. See also methyl-green. 



oil, 273. 



sulphate, reagent for lignin, 79. 



See also Appendix III. 



water, preparation of, 273. 



fuchsin, 273. 



Annual rings (of wood), 153. 

 Annular vessels (or tracheides), 102, 



109, 209. 



Annulus of Mosses, 350 ; Ferns, 356. 

 Anther, 380; structure and develop- 

 ment in Hemerocallis fulva, 380 



(fig. 140) ; various substitutes for 



Hemerocallis, 385. 

 Antheridium of Chara, 306 (fig. 112) ; 



Fucus platy carpus, 299 (fig. Ill) ; 



Funaria hygrometrica 347 (fig. 



125) ; Mar chantia poly morpha, 341 



(fig. 123) ; Mnium hornum, 345 ; 



Polypodium vulgare,358 (fig. 131) ; 



Polytrichum juniperinum, 346 ; 



Pythium, 323 ; Vaucheria sessilis, 



297 (fig. 110). ,; N 

 Antherozoids. See spermatozoids. 

 Anticlinal cells-walls, 211. 

 Antipodal cells. See embryo-sac. 

 Antirrhinum majus, coloured cell-sap 



of petals, 56. 



Apex. See growing apex. 

 Apical cell of Equisetum arvense, 215 



(figs. 84, 85); Nitella, 246; Pteris 



cretica, 224 (fig. 89). 



meristem, 204 et seq. (figs. 82, 83) ; 



219 et seq. (figs. 87, 88). 



Apocarpous, 395, 413. 



Apophysis (of moss), 349, 352. 



Apostrophe, position of, 54. 



Apothecia, 336. 



Apple. See Pyrus Malus. 



Aquarium, use of an, 251. 



Aquilegia, culture of pollen-tubes, 393. 



Archegonium of Funaria hygrometrica, 

 348 (fig. 126); Marchantia poly- 

 marpha, 342 (fig. 124); Mnium 

 hornum, 347 ; Picea vulgaris, 373 

 (fig. 136) ; Polypodium vulgare, 360 

 (fig- 133). 



opening of an, 360. 

 Aril, micropylar, 417. 

 Aristolochia Sipho, structure of stem, 



131 (figs. 48, 49). 



Arrowroot, East Indian, 18. 



Arthrosporous (bacteria), 269. 



Asci, Ascospores, of Penicillium, 325 ; 

 Morchella, 326 ; Ascobolus, 327. 

 See also spores. 



Ascobolus fur fur aceus, 327 ; ascospores, 

 328 ; sexuality, 329. 



Ascomycetes. See Penicillium, Mor- 

 chella, Ascobolus. 



sexuality of the, 329. 

 Ash. See Fraxinus excelsior. 

 Asparagus, red chromatophores, 55. 

 Aspidium Filix-mas, sporangia, 356. 

 Assimilating cells, 197 ; tissue, 198 ; 



in Fucus, 243. 



Auricula. See Primula. 



Australian blue-gum tree. See Euca- 

 lyptus. 



Autoecious parasites, 332. 



Autumn colours, 58. 



