670 



BOTANY OF THE LIVING PLANT 



Carnivorous habit, as source of com- 

 bined nitrogen, 164, 220, 239. 



Carnivorous plants, those which cap- 

 ture animals, and digest nourish- 

 ment from them, 239. 



Carotin, 117, 663. 



Carpels, the floral parts bearing 

 ovules or megasporangia : they 

 constitute the gynoecium, 255, 

 288 (Chap. xvi.). 



Carpinus, seedling of, 87 (Fig. 61). 



Carpogonium, the female organ of 

 some Algae and Fungi : of Red 

 Algae, 389 (Fig. 290) ; 400. 



Carpospores, of Red Seaweeds, 389. 



Carrot, analysis of, 655. 



Caruncle, a swelling of the micropylar 

 region, characteristic of Euphor- 

 biaceae, 319, 629 (Fig. 479, vii. 

 viii.). 



Cassytha, parasitism of, 221, 222. 



Castanea, leaf of, 350 (Fig. 262). 



Castor oil (Ricinus) 10 (Fig. 4), stor- 

 age of oil, and of protein, 126 (Fig. 

 84). 



Casuarina, chalazogamy in, 307. 



Catalysts, 128. 



Categories of parts, 346. 



Catharinea, 461 (Fig. 355). 



Catkins of Willow, 619 (Fig. 466). 



Caulerpa, non-septate thallus of, 171 

 (Fig. 105) ; cellulose rods of, 172 

 (Fig. 106), 368 (Fig. 273). 



Cauliflower (Brassica), analysis of, 

 655 ; origin of, 654. 



Celery (Apium graveolens), analysis 

 of, 655 ; origin of, 654. 



Cell, the structural unit, 17, 18 ; size 

 of, 18 (Fig. 9) ; shape of, 23 (Sig. 

 13) ; growth of, 141 ; properties of 

 living cell, 30, 31 ; entrance of 

 dissolved substances, 39 ; move- 

 ment of contents, 167. 



Cell-division, 18, 20 (Fig. 11), 561. 



Cell-plate, a specialised layer of the 

 cytoplasm, within which the pri- 

 mary cell-wall is laid down at cell- 

 division, 562 (Fig. 428). 

 Cell-sap, fluid filling a vacuole, 35 



(Figs, 12, 17). 

 Cell-theory, 19. 

 Cellular construction, 16, 17. 

 Cellulose, a carbohydrate which forms 

 the greater part of young cell- 

 walls, 24, 124 ; in foodstuffs, 655, 



657- 

 Cell-wall, 17, 18, 24 ; permeable, 35. 



Centaurea (Corn Flower), 650. 



Centaury, dichasium of, 259 (Fig. 



180). 



Central body, in Blue-green Algae, 



376. 

 Centrifugal force, effect of, 156. 

 Cephaleuros, 393. 

 Cephalotus, urns of, 241. 

 Ceratodon, embryo of, 470 (Fig. 365). 

 Ceratopteris, young leaf of, 493 (Fig. 



384). 

 Cereal grains, 658. 



Cereals, geotropic recovery of, 157 

 (Fig. 96). 



Cetraria Islandica, 428. 



Chaetocladium, parasitism of, 414 ; 

 air distribution of, 447. 



Chaetophoraceae, 365. 



Chalaza, the point at base of the 

 nucellus where the vascular strand 

 of the funicle stops, 294 (Fig. 216). 



Chalazogamy, where in seed-plants 

 fertilisation is by a pollen-tube 

 traversing the chalaza, 307. 



Chara, 547 ; Chara crinita, genera- 

 tive parthenogenesis in, 587. 



Charlock (Brassica sinapis), 9, 10 

 (Fig. 3), 626 (Fig. 477). 



Chelidonium, 626. 



Chemosynthesis, 123. 



Chemotropism, positive of pollen- 

 tubes, 160, 304 (Fig. 224). 



Cherry, 634, 635 (Figs. 484, C : 487) ; 

 analysis of, 657. 



Cherry-laurel, hypoderma of, 74. 



Chervil, compound umbel of, 262 

 (Fig. 185). 



Chiasma, region of a chromosome in 

 which interchange of material takes 

 place between homologous chromo- 

 somes, 565 (Figs. 430, 433). 



Chimaeras, 251, 362. 



Chlamydomonas, 364. 



Chalmydospores of Mucor, 415. 



Chlorococcales, 361. 



Chlorococcum, 364 (Fig. 269). 



Chlorophyceae, 355, 361 (Chap. xxii.). 



Chlorophyll, the green colouring 

 matter of plants, 115, 117; spec- 

 trum of, 116 (Fig. 77). 



Chloroplasts (or chlorophyll cor- 

 puscles), 43, 73, 76 (Fig. 51) ; 115, 

 117 (Figs. 75, 76). 



Chlorotic state, pale yellow in absence 

 of iron, 112. 



Chorda, 381 (Fig. 284). 



Choripetalae, Dicotyledons with 

 separate petals (polypetalous), 605, 

 619. 



Christmas Rose (Helleborus), 197- 



Christmas Tree (Picea), 528. 

 Chromatid, a half-chromosome, 562 

 (Fig. 429), 565 (Figs. 430, 433). 



