926 



INDEX. 



Acid, carbonic, excretion by hyphse of Lichen, 

 action on calcium carbonate, i. 257- 



— citric, i. 135, 4G3. 



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



— gallic, from tannin, i. 507. 



— humic, produced by decay, i. 101, 



— in Dionaia ditiestive secretion, i. 150. 



— in secretion of Drosera glands, i. 144. 



of Droaopbyllum glands, i. 154. 



of Pinguicula glands, i. 142. 



— lactic, from milk, i. 506. 



— malic, i. 135. 463. 



— nitric, i. 64, 83, 2t33, 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 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, 



i. 262 ; ii. 612. 



— organic, function, i, 463. 



— volatile fatty, i. 263. 



— water incorporated in, i. 216. 

 Aconitum, and fleld-mice, i. 763. 



— and humble-bees, ii. 239. 



— cross-fertilization, ii. 304. 



— downward pull of roots, i. 767. 



— foUicles, ii. 430. 



— hybrids in, ii. 584. 



— insects and pollen, ii. 245. 



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



— nectaries, ii. 179. 



— odoiurless, 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, 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, ii. 402. 



native place, ii. 402. 



rhizome, ii. 745. 



Acotyledones, of de Jussieu, ii. 602. 



Acramphibrya, of EndUcher, ii. 604. 



Acrocarpous, applied to Mosses, ii. 703. 



Acrocomia sclerocarpa, and Clusia alba, i. 

 680. 



Acrodromous venatioD, i. 632, 633. 



Acrostichese, sporangia, ii. 706. 



Acrostichum, distribution of sporangia, ii. 

 706. 



Acrostichum spheuophyllum, venation, i. 635. 



Acta:^a, coloured stamen-fllaments, ii. 183. 



Actsea spicata, filament of stamen, ii. 88. 



protogynous, ii. 310. 



stamen, ii. 87. 



Actioomorphic symmetry, ii 229. 



Aculei. i. 433, 439. 



Adam, and reputed graft-hybr.'d of Cytisua, 

 ii. 570. 



Adansonia, flower, mouadelphia, 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 Ophioglosswnvulgatum. 

 Adenium Hongdel, seed dispersal, ii. 857. 



Adenocarpiis decorticans, &c., fruit protec- 

 tion, ii. 447. 



Adenostyles, autogamy, ii. 363. 



Adenostyles alpina, re-erection of ioflo- 

 rescence, ii. 744. 



Adenostyles Cacaliee, 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. 



Adinidse, group of Dinoflagellata, ii. 625. 



Adonis, foliage and light, i. 412. 



— nectarless, ii. 167. 



— protogynous, ii. 311. 



Adonis aestivalis, coloxur-contrast in flower, 



ii. 189. 



effect of dry soil, ii. 500. 



persistent cotyledons, i. 622. 



scentless, ii. 209. 



Adonis fiammea, 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 Moschatelliua, 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 Loranthus Europjeus, i. 213. 

 Mchvaea,, honey-concealment, ii. 180. 



— protective water receptacles, ii. 234. 

 j^Lchmea paniculata. ii. 733. 

 jEcidiomycetes, ii. 606. 



jEcidium fruit, ii. 686. 



— of rust-fungus, ii. 522. 



— stage of Gymnosporangium, ii. 522. 

 -^cidium berberidis, ii. 686. 



.^cidium elatinum causing Witches' Broom 

 on Abies pectinata, ii. 526. 



.iEcidium Magelhsenicum and Eerberis vul- 

 garis, ii. 527. 



JEgilovs ovata and Triticum sativum, hybrid 

 of, ii. 583. 



creeping fruits, ii. 843, 844. 



JEgilops ventricosa, creeping fruits, ii. 843, 

 844. 



jEgopodium, how protected, i. 451. 



jEgopodium Podagraria, farmers' enemy, ii. 

 798. 



Aerial roots, i. 752. 



buds on, ii. 28. 



— — of Aroideffl, ii. 745. 

 of Orchideae, i. 221. 



Aerides, sugar crystals in honey, i. 172. 

 iEschynanthus speciosus, plumed seeds, ii. 



858. 

 .^schynomene glabrata, seed-dispersal, ii. 



853. 

 vEschyoomene Indica, and rain, i. 537. 



sensitiveness, i. 535. 



jEsculinse of Braun, ii. 605. 

 .^sculus 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. 

 .^sculus 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. 



jEscuIus Hippocastanum, thermal constants, 

 i. 559. 



unfolding leaves, i. 351. 



JEsculus macrostachya, coloured stamen- 

 filaments, ii. 1?3. 



jEscuIus neglecta, bud-scales, i. 626. 



jEstivation, sorts fif, ii. 210. 



.iEthionema, colour- contrast in inflorescence, 

 ii. 192. 



.iEthusa, protogynous, ii. 311. 



jEthusa Cynapiuni, autogamy, ii. 342, 344. 



./Ethusa segetalis. autogamy, ii. 344. 



Affinity, chemical, i. 58, 



— selective, extreme cases of, i. 71. 

 Africa, poverty in Balanophorese, i. 196. 

 Agardh, ii. 603. 



Agaricinere, 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 muscarius, ii. 689. 



appearance, ii. 491. 



— — respiratory heat, i. 498. 

 Agaricus veUereus, raising power, i, 514. 

 Agarum Gmelini, ii. 662. 



Agate, construction through plants, 1. 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. 

 Agrostemma 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 stolonif era, &c., adaptability, ii. 513. 



— — habit and habitat, ii. 502. 

 Agrotis and HabeDaria bifolia, ii. 256. 

 Ailantbus, flower, ii. 778. 



— scent, ii. 200. 



Ailantbus 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 caespitosa, anthocyanin in glumes, i. 522. 

 pollination, ii. 142. 



