926 



INDEX. 



Acid, carbonic, excretion by hyphfe of Lichen, 

 action on calcium carbonate, i. 257- 



— citric, i. 135, 463. 



— formic, i. 135, 441, 463 ; ii. 233. 



— gallic, from tannin, i. 507. 



— humic, produced by decay, i. 101. 



— in Dionsea digestive secretion, i. 150. 



— in secretion of Drosera glands, i. 144. 



of Drosophyllum glands, i. 154. 



of Pinguicula glands, i. 142. 



— lactic, from milk, i. 506. 



— malic, i. 135, 463. 



— nitric, 1. 64, 83, 263, 458. 



— nitrous, i. 263. 



— cenanthic, ii. 202. 



— oxalic, i. 67, 458, 463. 



— Pelargonie, ii. 202. 



— phosphoi'ic, ferment action, i. 465. 



— prussic, i. 462. 



— silicic, occurrence in plants, i. 67, 261. 



— — in Diatom frustules though no trace in 



aqueous habitat, i. 70. 



— sulphuric, reduction, i. 458. 



— valerianic, ii. 202. 



Acids, fatty, nature of, i. 463. 



— humous, and preservation of fossil plants, 



1. 262 ; ii. 612. 



— organic, function, i. 463. 



— volatile fatty, i. 263. 



— water incorporated in, i. 216. 

 Aconitum, and field-mice, i. 763. 



— and humble-bees, ii. 239. 



— cross-fertilization, ii. 304. 



— downward pull of roots, i. 767. 



— follicles, ii. 430. 



— hybrids in, ii. 584. 



— insects and pollen, ii. 245. 



— leaf-buds, emergence from soU, i. 639. 



— nectaries, ii. 179. 



— odourless, i. 431. 



— pollen-sacs, ii. 89. 



— protandrous, ii. 311. 



— protection of pollen from wet, ii. 110. 



— trabeciÜEe in green cells, i. 374. 

 Aconitum Napellus, i. 450. 

 colour of sepals, ii. 183. 



• germination, i. 622. 



stamen, ii. 87. 



Aconitum paniculatum, temperature within 

 flower, i. 501. 



Aconitum variegatum, re-erection of inflo- 

 rescence, i. 744. 



Aconitum Vulparia, buds, emergence from 

 soil, i. 639. 



Acorus Calamus, absorptive cells of, i. 91. 



fertility, dependence on insects, ii. 402. 



native place, ii. 402. 



rhizome, ii. 745. 



Acotyledones, of de Jussieu, ii. 602. 



Acramphibrya, of Endlicher, ii. 604. 



Acrocarpous, applied to Mosses, ii. 703. 



Acrocomia sclerocarpa, and Clusia alba, i. 

 680. 



Acrodromous venation, i. 632, 633. 



Acrostichese, sporangia, ii. 706. 



Acrostichum, distribution of sporangia, ii. 

 706. 



Acrostichum spheuophyllum, venation, i. 635. 



Actiea, coloured stamen-Slaments, ii. 183. 



Actsea spicata, filament of stamen, ii. 88. 



protogynous, ii. 310. 



stamen, ii. 87. 



Actinomorphic symmetry, ii 229. 



Aculei, i. 433, 439. 



Adam, and reputed graft-hybrid of Cytisuä, 

 ii. 570. 



Adansonia, flower, monadelpbia, ii. 292. 



— hermaphrodite, ii. 296. 

 Adansonia digitata, age, i. 720. 



dimensions, i. 722. 



Adaptation in plants, i. 567. 



— to light intensity, i. 394. 

 Adaptations, theory of, ii. 596. 



Adaptive mechanisms subserve several pur- 

 poses, ii. 128. 

 Adder'sTongue. See Ophioglossumvulgatum. 

 Adenium Hongdel, seed dispersal, ii. 857. 



Adenocarpus decorticans, &c., fruit protec- 

 tion, ii. 447. 



Adenostyles, autogamy, ii. 363. 



Adenostyles alpina, re-erection of inflo- 

 rescence, ii. 744. 



Adenostyles Cacaliie, offshoot formation, ii. 

 454. 



Adherent fruits, ii. 867. 



Adhesion, i. 58. 



Adhesive disc, of tendril, i. 699. 



Adiantum, cilia of spermatozoid, i. 29. 



Adiantum arcuatum, venation, i. 635. 



Adiantum Capillus-veneris, indusium, ii. 706. 



Adiuidte, group of Dinoflagellata, ii. 625. 



Adonis, foliage and light, i. 412. 



— nectarless, ii. 167. 



— protogynous, ii. 311. 



Adonis ajstivalis, coloiu-contrast in flower, 



ii. 189. 



effect of dry soil, ii. 500. 



persistent cotyledons, i. 622. 



scentless, ii. 209. 



Adonis flammea, colour-contrast in flowers, 



ii. 189. 



— — effect of dry soil, ii. 500. 

 scentless, ii. 209. 



Adonis vernalis, autogamy, ii. 381, 382. 



protection of pollen, ii. 120. 



protogynous, ii. 310. 



Adoxa, dehiscence of pollen-sacs, ii. 92. 



— honey, ii. 173. 



— pollen-sacs, ii. 89. 



Adoxa Moschatellina, autogamy, ii. 335. 



scale-leaves of epicotyl, i. 624. 



subex of plumule, i. 651. 



Adventitious bud, development, ii. 26. 



— buds of Mistletoe, i. 209. 



— root, i. 751. 



— shoot of Loranlhus Europseus, i. 213. 

 iEchmea, honey-concealment, ii. 180. 



— protective water receptacles, ii. 234. 

 yEchmea paniculata, ii. 733. 

 ^cidiomycetes, ii. 606. 



yEcidium fruit, ii. 686. 



— of rust-fungus, ii. 522. 



— stage of Gymnosporangium, ii. 522. 

 ^cidium berberidis, ii. 686. 



^cidiuui elatinum causing Witches' Broom 



on Abies pectinata, ii. 526. 

 .^cidium Magelhaenicum and Berberis vul- 

 garis, ii. 527. 

 ^gilops ovata and Triticum sativum, hybrid 



of, ii. 583. 



creeping fruits, ii. 843, 844. 



YEgilops ventricosa, creeping fruits, ii. 843, 



844. 

 ^gopodium, how protected, i. 451. 

 ^gopodium Podagraria, farmers' enemy, ii. 



798. 

 Agrial roots, i. 752. 



buds on, ii. 28. 



of Aroideje, ii. 745. 



of Orchideye, i. 221. 



Aerides, sugar crystals in honey, i. 172. 

 /Eschynanthus speciosus, plumed seeds, ii. 



858. 

 yEschynomene glabrata, seed-dispersal, ii. 



853. 

 ^schynoniene Indica, and rain, i. 537. 



sensitiveness, i. 535. 



^sculinse of Braun, ii. 605. 

 .i^isculus and Nectria, ii. 678. 



— arrangement of foliage-leaves, i. 92. 



— cotyledons, i. 608. 



— curvature of branches, i. 416. 



— deciduous bud-scales, i. 626. 



— flowers, sexual conditions, ii. 295, 296. 



— roots, i. 753. 



— stamens as insect platform, ii. 225. 

 yEscuIus discolor, &c., branching, i. 749. 

 ^^soulus Hippocastanum and gall-mites, ii. 



529. 



deciduous protective woolly hairs, i. 354. 



flower, heptandria, ii. 289. 



leaf-fall, i. 361, 560. 



scent, ii. 200. 



separation layers, i. 360. 



^sculus Hippocastanum, thermal constants, 

 i. 559. 



— — unfolding leaves, i. 351. 



^sculus macrostachya, coloured stamen- 

 filaments, ii. 183. 



..Esculus neglecta, bud-scales, i. 626. 



Estivation, sorts of, ii. 210. 



.lEthionema, colour-contrast in inflorescence, 

 ii. 192. 



.iEthusa, protogynous, ii. 311. 



yEthusa Cynapium, autogamy, ii. 342, 344. 



Ethusa segetalis, autogamy, ii. 344. 



Affinity, chemical, i. 58. 



— selective, extreme cases of, i. 71. 

 Africa, poverty in Balanophoreee, i. 196. 

 Agardh, ii. 603. 



Agaricinese, Brazilian, luminosity, i. 502. 



— edible forms, ii. 689. 



— structure and characteristics, ii. 689. 

 Agaricus, basidial layer, ii. 684. 



— late.x, i. 470. 



— spore-formation, ii. 20. 

 Agaricus campestris, edible, ii. 689. 

 Agaricus Gardneri, &c., luminosity, i. 502. 

 Agaricus melleus, solerotia, ii. 689. 

 Agaricus muscarius, PI. XIV., ii. 689. 

 appearance, ii. 491. 



respiratory heat, i. 498. 



Agaricus vellereus, raising power, i. 514. 



Agarum Gmelini, ii. 662. 



Agate, construction through plants, i. 261. 



Agathis, ii. 721. 



Agave, ii. 734. 



— contractile layers of anther, ii. 94. 



— leaf point, i. 438. 



— Mexican uplands, i. 657. 

 Agave Americana, i. 658, 746. 

 flowering, i. 745. 



sap extrusion, "pulque", i. 272. 



Age of trees, i. 720. 



Aggregate fruits, ii. 436. 



Aggregation in cell-contents of Drosera leaf, 



i. 148. 

 Agrimonia, anther, ii. 90. 



— fruit, ii. 343, 434. 



Agrimonia Eupatoria, autogamy, ii. 343, 344. 



duration of flowering, ii. 213. 



flower, ii. 779. 



flower, dodecandria, ii. 293. 



hermaphrodite, ii. 296. 



persistent receptacle, ii. 435. 



Agrimonia odorata, hooked fruit, ii. 873. 

 Agropyrum, pollination, ii. 142. 

 Agropyrum repens, boring runners, i. 516. 

 Agrosteninia Githago, i. 491. 



absorbent cells, i. 600. 



autogamy, ii. 336. 



cotyledons, i. 610, 622. 



course of pollen-tubes, ii. 410. 



effect of dry soil, ii. 500. 



elevation and coloration, ii. 511. 



germinating seed, i. 599. 



light and growth, ii. 508. 



— — movements of cotyledons, i. 532. 

 pollen-grain, ii. 100. 



seed fixation, i. 616. 



Agrostis, pollination, ii. 142. 



Agrostis alpina, habitat, i. 112. 



Agrostis stolonifera, &c., adaptability, ii. 513. 



habit and habitat, ii. 502. 



Agrotis and Habenaria bifolia, ii. 256. 

 Ailanthus, flower, ii. 778. 

 ~ scent, ii. 200. 



Ailanthus glandulosa, anthocyanin in buds, 

 i. 484. 



dimensions, i. 722. 



fruit, ii. 428, 430. 



radical shoots, ii. 27. 



seed-dispersal, ii. 853. 



separation layers, i. 360. 



Air, dust in, i. 79. 



— loss of constituents through plants not 



directly observable, i. 258. 



— moisture of, and size of leaves, i. 287. 

 Aira alpina, bulbils, ii. 454. 



Aira ctespitosa, anthocyanin in glumes, i. 522. 

 pollination, ii. 142. 



