926 



INDEX. 



Acid, carbonic, excretion by hyphpe of Licben, 

 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 Droaophyllum glands, i. 154. 



of Pinguicula glands, i. 142. 



— lactic, from milk, i. 506. 



— malic, i. 135, 463. 



— nitric, i. 64, 83, 263, 458. 



— nitrous, i. 263. 



— oenanthic, 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 frustules though no trace in 



aqueous habitat, i. 70. 



— sulphxiric, 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, 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, i. 639. 



— nectaries, ii. 179. 



— odourless, i. 431. 



— pollen-sacs, ii. 89. 



— protandroufl, ii. 311. 



— protection of pollen from wet, ii. 110. 



— trabeculae in green cells, i. 374. 

 Aconitum NapeUus, 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. 



Acorns Calamus, absorptive cells of, i. 91. 



fertility, dependence on insects, IL 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, IL 

 706. 



Acrostichum sphenophyllum, venation, i. 635. 



Actsea, coloured stamen-Slaments, ii. 183. 



Act-sea spicata, filament of stamen, ii. 88. 



protogynous, il. 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 Opkioglossumvulgatum. 

 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 Cacalise, 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. 



Adinidae, group of Dinoflagellata, ii. 625. 



Adonis, foliage and light, i. 412. 



— nectarleas, ii. 167. 



— protogynous, ii. 311. 



Adonis sestivalis, 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, il. 335. 



scale-leaves of epicotyl, i. 624. 



Bubex of plumule, L 651. 



Adventitious bud, development, ii, 26. 



— buds of Mistletoe, i. 209. 



— root, i. 751. 



— shoot of Loranlhus Europseua, i. 213. 

 j^Cchmea, honey-concealmenfc, ii. 180. 



— protective water receptades, ii. 234. 

 ^chmea paniculata, ii. 733. 

 JEcidiomycetes, ii. 606. 



.^cidium fruit, ii. 686. 



— of rust-fungus, ii. 522. 



— stage of Gymnosporangium, ii. 522. 

 jEcidium berberidis, ii. 686. 



.^03cidium elatinum causing Witches' Broom 



on Abies pectinata, ii. 626. 

 .i^cidium Magelhasnicum and Berberis vul- 

 garis, ii. 527. 

 .^gilops ovata and Triticum sativum, hybrid 



of, ii. 583. 



creeping fruits, ii. 843, 844. 



jEgilops ventricosa, creeping fruits, ii. 843, 



844. 

 .^gopodium, how protected, i. 451. 

 iEgopodium Podagraria, farmers' enemy, ii. 



798. 

 Aerial roots, i. 752. 



buds on, ii. 28. 



of Aroidese, ii. 745. 



of Orchidese, i. 221. 



Aerides, sugar crystals in honey, i. 172. 

 jEschynanthus speciosus, plumed seeds, ii. 



858. 

 jEschynomene glabrata, seed-disperaal, ii. 



853. 

 .iEschynomene Indica, and rain, i. 537. 



sensitiveness, i. 535. 



.^sculinse of Braun, ii. 605. 

 iEsculus and Nectria, ii. 678. 



— arrangement of foliage-leaves, i. 92. 



— cotyledons, i. 608. 



— curvature of branches, i. 416. 



— deciduous bud-sqales, i. 626. 



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



— roots, i. 753. 



— stamens as insect platform, ii. 225. 

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

 .iEsculus Hippocastanum and gall-mites, ii. 



529. 



deciduous protective woolly hairs, i. 354. 



flower, heptandria, ii. 289. 



leaf-faU, i. 361, 560. 



Bcent, ii. 200. 



separation layers, i. 360. 



.^sculus Hippocastanum, thermal constants, 

 i. 559. 

 — unfolding leaves, i. 351. 

 ..Esculus macroatachya, coloured atameu- 



filamenta, ii. 183. 

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

 .Estivation, sorts rif, ii. 210. 

 .Ethionema, colour- contrast in inflorescence, 



ii. 192. 

 .^Cthusa, protogynous, ii. 311. 

 JEthusa Cynapium, autogamy, ii. 342, 344. 

 .^thusa segetalis, autogamy, ii. 344. 

 Aflfinity, chemical, i. 58. 



— selective, extreme cases of, i. 71. 

 Africa, poverty in, Balanophoreae, 1 196. 

 Agardh, ii. 603. 



Agariciuese, Brazilian, luminosity, 1 502. 



— 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 muscarius, PI. XIV., ii. 689. 

 appearance, ii. 491. 



respiratory heat, i. 498. 



Agaricus vellereus, raising power, i. 514. 



Agarura 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, L 516 

 Agrostemma Githago, i. 491. 



absorbent ceUs, 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 stolonif era, &c., adaptability, ii. 513. 



habit and habitat, ii. 502. 



Agrotis and Habeuaria bifolia, ii. 256. 

 Allanthus, flower, ii. 778. 



— scent, ii. 200. 



Allanthus 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. 



