6^6 



Dicksonia antarctica, 119, 

 286. 



Dicksonia Karsteniana, 286. 



Dicotyledonous woods, ob- 

 lique grain of, 472. 



Dicotyledons, 12, 63: ano- 

 malous thickening in, 567 ; 

 bordered pits, 163, 164; 

 coUenchyma, 119; con- 

 nections of vascular 

 bundles, 385 ; crystals, 

 142; endodermis, 415; 

 fibres, 527 ; medullary 

 rays, 493 ; origin of vas- 

 cular bundles, 393; peri- 

 derm, 558 ; pith, 403 ; 

 raphides, 142; scleren- 

 chyma, 420 ; sieve-tubes, 

 173) 231 ; silicification in, 

 103 ; stone-elements, 127; 

 thickening, 469, 475; thy- 

 loses, 171 ; tracheides, 

 165,169; vascular bundles, 

 235, 248; vascular system, 

 322,355,393; witharing 

 of vascular bundles, 307 ; 

 wood of roots, 5 1 6 ; woods, 

 512. 



Dictamnus, oil cavities, 69 

 (Fig. 22), 207; secretions, 

 137 ; warts, 66, 69. 



Dictamnus Fraxinella, oil 

 reservoirs, 208 (Fig. 86). 



Dieffenbachia, vascular sys- 

 tem, 267. 



Dieffenbachia Seguine, 436. 



Dilleniacege, 589, 601 : silici- 

 fication, 103, 106. 



Dioon, anomalous thicken- 

 ing, 610; sclerenchyma, 

 424.; secretory reservoirs, 

 441; stomata, 40; vas- 

 cular system, 337, 340, 



356. 



Dionaea, glands, 100. 



Dioscorea, cork, 108 ; struc- 

 ture of tubers, ■622 ; vas- 

 cular system, 233, 235, 



275, 276 (Figs. 126, 127), 

 301, 304, 319, 362. 



Dioscorea Batatas, 233, 275, 



276, 319, 622. 

 Dioscorea sinuata, 622. 

 Dioscorea villosa, 622. 

 DioscoresE, 10, 301, 618. 

 Diosma, oil cavities, 207. 

 Diosma alba, 73. 

 Diosmeae, mucilage, 73 ; oil 



cavities, 207. 

 Diospyros virginiana, 479. 

 Dlphylleia, vascular system, 



248, 249. 

 Diplazium giganteum, 313. 

 Diploe, 406. 



INDEX. 



Diplothemium maritimum, 

 360. 



Dipsacus, 297 : hairs, 55,66. 



Distictis, 575. 



Dittany, oil cavities, 69, 208. 



Dodecatheon, 415. 



Dolichos lignosus, 354. 



Doliocarpus Rolandri, ano- 

 malous wood, 589, 605. 



Doodya, 304. 



Doronicum Pardalianches, 

 water-pore, 51. 



Dorsteilia, 105. 



Draba, hairs, 60, 61. 



Draba aizoides, hairs, 60. 



Draba hispanica, 60. 



Dracaena, endodermis, 124; 

 sclerenchyma, 422 ; secon- 

 dary growth, 619 (Fig. 

 241); vascular system,264, 

 302, 311. 



Dracaena arborea, secretion, 

 102. 



Dracaena Draco, secretion, 

 102. 



Dracaena fruticosa, 622. 



Dracaena marginata, 619, 

 622. 



Dracaena reflexa, 619, 622: 

 sclerenchyma, 420; secre- 

 tion, 102. 



Dracaena umbraculifera, se- 

 cretion, 102. 



Dracaeneae, 618 : vascular 

 system, 361. 



Dracunculus, laticiferous 

 tubes, 436 ; vascular sys- 

 tem, 268, 269. 



Drimys, secretory reser- 

 voirs, 145. 



Drimys Winteri, 486, 494, 

 S41 : bast-fibres, 527; 

 crystals, 529 ; secondary 

 changes, 480. 



Drosera, digestive glands, 



IOC. 



Drosera rotundifolia, end of 

 tooth of leaf, 374 (Fig. 



176). 

 Drosophyllum, digestive 



glands, 100. 

 Dryandra, stomata, 47. 

 Dryobalanops aromatica, 



510. 

 Duramen, 507. 



Ebenaceae, wood, 508, 511. 



Ecbalium, sieve-tubes, 231. 



Ecbalium Elaterium, vascu- 

 lar system, 248. 



Echeveria, wax, 87. 



Echeveria pubescens, 458, 

 498, 499. 



Echinocactus, secondary 



growth, 478 ; vascular sys- 

 tem, 234, 310. 



Echinops, secretory pass- 

 ages, 526. 



Echinops exaltatus, 446. 



Echites peltata, 439. 



Echium fruticosurn, secre- 

 tion, 106. 



Echium vulgare, 106. 



Edwardsia grandiflora, 497. 



Elaeagneae, hair structures, 



55. 63, 64, 70- 



Elaeagnus acuminata, bor- 

 dered pits, 162. 



Elais, sclerenchyma, 425 ; 

 vascular system, 266. 



Elatine, air-spaces, 213, 217; 

 vascular system, 277, 306, 

 340. 



Elatine Alsinastrum, 217, 

 277, 300,340: cortex, 405. 



Elatine hexandra, 277. 



Elatine Hydropiper, 277. 



Elegia nuda, 33, 425. 



Elodea, 8, 412 : endodermis, 

 121; root-hairs, 55 ; sieve- 

 tubes, 232. 



Elodea canadensis, 67 : vas- 

 cular system, 278, 368, 369. 



Elymus arenarius, 77 : la- 

 mina, 407 ; stomata, 35, 

 50; wax, 85. 



Emergence, 55, 58. 



Encephalartos, 31: crystals, 

 140 ; parenchyma, 117, 

 410; sclerenchyma, 418, 

 424 ; secretory reservoirsj' 

 441 ; sieve-tubes, 179. 



Encephalartos Caffer, 612. 



Encephalartos horridas, 

 anomalous growth, 610; 

 wax, 85. 



Encephalartos longifolius, 

 613. 



Encephalartos pungens, 

 sieve-tubes, 181 (Fig. 78).' 



Enckea glaucescens, hairs, 



65. 



Enckea media, 482. 



Endistem, 394. 



Endodermis, 121. 



Endpmeristem, 394. 



Ephedra, 13, 14, 166, 167, 

 168, 459, 484, 492, 498: 

 crystals, 141, 529; ligne- 

 ous bundle, 495; scleren- 

 chyma, 418, 420, 424; 

 sieve tubes, 179; secre- 

 tion, 102 ; stomata, 35 ; 

 vascular system, 246, 247, 



357- 

 Ephedra altissima, 33, 247. 

 Ephedra campylopoda, 14, 



247, 456. . ' 



