926 



INDEX. 



Acid, carbonic, excretion by hyphie 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, i. 64, 83, 2tJ3, 458. 



— nitrous, i. 263. 



— cenanthic, ii. 202. 



— oxalic, i. 67, 458, 463. 



— pelargonic, ii. 202. 



— phosphoric, ferment action, I. 465. 



— prussic, i. 462. 



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

 in Diatom fnistules 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, 



i. 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, li. 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, i. 639. 



— nectaries, ii. 179. 



— odourless, i. 431. 



— pollen-sacs, ii. 89. 



— protandrous, ii. 311. 



— protection of pollen from wet, ii. 110. 



— trabeculse In green cells, i. 374. 

 Aconitum Napellus, i. 450. 



colour of sepals, ii. 183. 



germination, 1. 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. 



Acorns 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. 



Acrosticheee, sporangia, ii. 706. 



Acrostichum, distribution of sporangia, ii. 

 706. 



Acrostichum spheuophyllum, venation, i. 635. 



Acta-a, coloured stamen-Slaments, ii. 183. 



Actaja spicata, filament of stamen, ii 88. 



protogyuous, ii. 310. 



stamen, ii. 87. 



Actinomorphic symmetry, ii 229. 



Aculei, i. 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 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 Cacalia;, 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. 



AdiuidiE. group of Dinoflagellata, ii. 625. 



Adonis, foliage and light, i. 412. 



— oectarless, 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 flanimea, colour-contrast in flowers, 



ii. 189. 



eflfect of dry soil, ii. 500. 



scentless, ii. 209. 



Adonis vernalis, autogamy, ii. 381, 382. 



protection of pollen, ii. 120. 



protogynous, li. 310. 



Adoxa, deliiscence 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 Loranthiis Europseus, i. 213. 

 /l-^chmea, honey-concealment, ii. 180. 



— protective water receptacles, ii. 234. 

 ^chmea paniculata, ii. 733. 

 .<Ecidiomycetes, ii. 606. 



^cidium fruit, ii. 686. 



— of rust-fungus, ii. 522. 



— stage of Gymnosporangium, ii. 522. 

 .^cidium berberidis, u. 686. 



^cidium elatinum causing Witches' Broom 



on Abies pectinata, ii. 526. 

 .^cidium Magelhsenicum and Berberis vul- 

 garis, ii. 527. 

 .(Egilops ovata and Triticum sativum, hybrid 



of, ii. 583. 



creeping fruits, ii. 843, 844. 



^gilops ventricosa, creeping fruits, ii. 843, 



844. 

 jEgopodium, how protected, i. 451. 

 .^gopodium Podagraria, farmers' enemy, ii. 



798. 

 Aerial roots, i. 752. 



buds on, ii. 28. 



of Aroidese, ii. 745. 



of OrchidesB, i. 221. 



Aerides, sugar crystals in honey, i. 172. 

 iEschynanthus speciosus, plumed seeds, ii. 



858. 

 YEschynomene glabrata, seed-dispersal, ii. 



853. 

 jEschynomene Indica, and rain, i. 537. 



sensitiveness, i. 535. 



^sculinae of Braun, ii. 605. 

 .3isculus and Nectria, ii. 678. 



— arrangement of fohage-leaves, i. 92. 



— cotyledons, i. 608. 



— curvature of branches, i. 416. 



— deciduous bud-scales, L 626. 



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



— roots, i. 753. 



— stamens as insect platform, ii. 225. 

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

 .(Esculus 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. 



jEscuIus Hippocastanum, thermal constants, 

 i. 559. 



unfolding leaves, i. 351. 



.lEsculus macrostachya, coloured stamen- 

 filaments, ii. 183. 



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



.Estivation, sorts tif, ii. 210. 



jEthionema, colour, contrast in inflorescence, 

 ii. 192. 



.Ethusa, protogynous, ii. 311. 



jEtlmsa Cynapium, autogamy, ii. 342, 344. 



^thusa segetalis, autogamy, ii. 344. 



Affinity, chemical, i. 58. 



— selective, extreme cases of, i. 71. 

 Africa, poverty in Balanophoreae, i. 196. 

 Agardh, ii. 603. 



Agaricinese, 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, i. 502. 

 Agaricus melleus, sclerotia, ii. 689. 

 Agaricus m\iscarius, ii. 6S9. 



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, booked fruit, ii. 873. 

 Agropyrum, pollination, ii. 142. 

 Agropyrum repens, boring runners, i. 516. 

 Agrostemma Githago, i. 491. 



absorbent cells, i. 600. 



autogamy, ii. 336. 



cotyledons, i. 610, 622. 



course of pollen-tubes, ii. 410. 



eflfect 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 csespitosa, anthocyanin in glumes, i. 522. 

 pollination, ii. 142. 



