926 



INDEX. 



Acid, carbonic, excretion by hyphse 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. 



— nitrici. 64, 83, 263, 458. 



— nitrous, i. 263. 



— oenanthic, ii. 202. 



— oxalic, i. 67, 458, 463. 



— pelargonic, ii. 202. 



— phosphoric, ferment action, 1. 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 planti 



i. 262 ; ii. 612. 



— organic, function, i. 463. 



— volatile fatty, i. 263. 



— water incorporated in, i. 216. 

 Acooitum, 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 soil, 1. 639. 



— nectaries, ii. 179. 



— odourless, i. 431. 



— pollen-sacs, ii. 89. 



— protandrous, ii. 311. 



— protection of pollen from wet, ii. IIQ. 



— trabeculse in green cells, i. 374. 

 Aconitum iN'apellus, i. 450. 



colour of sepals, ii. 183. 



germination, i. 622. 



stamen, ii. 87. 



Aconitum paniculatum, temperature within 

 flower, i. 501. 



Aconitum variegatum, re-erecbion of inflo- 

 rescence, i. 744. 



Aconitum Vulparia, buds, emergence from 

 soil, 1. 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 Olusia alba, i. 

 680. 



Acrodromous venation, i. 632, 633. 



Acrostichese, sporangia, ii. 706. 



Acrostichum, distribution of sporangia, ii. 

 706. 



AcroHtichum sphenophyllum, venation, i. 635. 



Aetata, coloured stamen-filaments, ii. 183. 



Aetata spicata, filament of stamen, ii. 88. 



protogynous, ii. 310. 



stamen, ii. 87. 



Actinomorphic symmetry, ii 229. 



Aculei, 1. 433, 439. 



Adam, and reputed graft-hybrid of Cytisus, 

 ii. 570. 



Adansonia, flower, monadelphia, 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's Tongue. See Ophioglossum vulgatum. 

 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 OacaliBB, ofEshoot 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 CapUlus-veneris, indusium, ii. 706. 



AdinidEe, group of Dinoflagellata, ii. 625. 



Adonis, foliage and light, i. 412. 



— nectarless, ii. 167. 



— protogynous, ii. 311. 



Adonis aestivalis, colour-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 vemalis, 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. 

 ^jchmea, honey-concealment, ii. 180. 



— protective water receptacles, ii. 234. 

 MchxnRz. paniculata, ii. 733. 

 jEcidiomycetes, ii. 606. 



^cidium fruit, ii. 686. 



— of rust-fungus, ii. 522. 



— stage of Gymnosporangium, ii. 522. 

 .^cidium berberidis, ii. 686. 



jEcidium elatinum causing Witches' Broom 



on Abies pectinata, ii. 526. 

 jEcidium Magelhsenicum and Berberis vul- 

 garis, ii. 527. 

 JEgilops ovata and Triticum sativum, hybrid 



of, ii. 583. 



creeping fruits, ii. 843, 844. 



j^gilops ventricosa, creeping fruits, ii. 843, 



844. 

 ..Egopodium, how protected, i. 451. 

 .^gopodium Podagraria, farmers' enemy, ii. 



798. 

 Aerial roots, i. 752. 



buds on, ii. 28. 



of Aroidese, ii. 745. 



of OrchideiS, i. 221. 



Aeridea, sugar crystals in honey, i. 172. 

 iBschynanthus speciosus, plumed seeds, ii. 



858. 

 ^schynomene glabrata, seed-dispersal, ii. 



853. 

 jEschynoniene Indica, and rain, i. 537. 



sensitiveness, i. 535. 



^sculinEB of Braun, ii. 605. 

 ^sculuB 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. 

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

 .^sculus 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, 



iEsculus Hippocastanum, thermal constants, 

 i. 559. 



unfolding leaves, i. 351. 



^sculus macrostachya, coloured stamen- 

 filaments, ii. 1?3. 



^sculus neglecta, bud-scales, i. 626. 



Estivation, sorts of, ii. 210. 



.^Ethionema, colour-contrast in inflorescence, 

 ii. 192. 



.iEthusa, protogynous, ii. 311. 



Ethusa Cynapium. autogamy, ii. 342, 344. 



JEthusa segetalis, autogamy, ii. 344. 



Affinity, chemical, i. 58. 



— selective, extreme cases of, i. 71. 

 Africa, poverty in Balanophorese, i. 196. 

 Agardh, ii. 603. 



Agariciuese, Brazilian, luminosity, i. 502. 



— edible forms, ii. 689. 



— structure and characteristics, ii, 689. 

 Agaricus, basidial layer, ii. 684. 



— latex, i. 470. 



— spore-formation, ii. 20. 

 Agaricus campestris, edible, ii. 689. 

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

 Agaricus malleus, sclerotia, IL 689. 

 Agaricus muscarius, PL XTV., iL 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, L 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. 



fiower, ii. 779. 



flower, dodecandria, ii. 293. 



hermaphrodite, ii. 296. 



persistent receptacle, ii. 435. 



Agrimonia odorata, hooked fruit, iL 873. 

 Agropyrum, pollination, ii. 142. 

 Agropyrum repens, boring runnere, i. 516. 

 Agrostemma Gitba^o, i. 491. 



absorbent cells, i. 600. 



autogamy, ii. 336. 



cotyledons, i. 610, 622. 



course of pollen-tubes, li. 410. 



effect of dry soil, ii. 500. 



elevation and coloration, ii. 511. 



germinating seed, i. 599. 



light and growth, iL 508. 



movements of cotyledons, i. 532. 



pollen-grain, ii. 100. 



seed fixation, i. 616. 



Agrostis, pollination, ii. 142. 



Agrostis alpina, habitat, i. 112. 



Agrostis stolonif era, &o.. adaptability, ii. 513. 



habit and habitat, ii. 502. 



Agrotis and Habenaria bifolia, U. 256. 

 Ailanthus, flower, ii. 778. 



— scent, ii. 200. 



Ailanthus glandulosa, anthocyanin in buds, 

 L484. 



dimensions, i. 722. 



fruit, iL 428, 430. 



radical shoots, ii. 37. 



seed-dispersal, ii. 853. 



separation layers, L 360. 



Air, dust in, i. 79. 



— loss of constituents through plants not 



directly observable, L 258. 



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

 Aira alpina, bulbils, ii, 454. 



Aira csespitosa, anthocyanin in glumes, i. 522. 

 pollination, U. 142. 



