INDEX. 



971 



Quercus Cerrls oud Eriiieum querciniuii, ii. 

 529. 



and gaU of Cecidomyiacerris.n- 634,533. 



and spatigle- galls of Neurotenis, ii. Wl. 



staminal galls, ü. 540. 



Quorcus pedimculatti. age, i. 720. 



— — dimensions, i. 722. 

 fruiting brauch, ü. 435. 



iiifloresceuces and flowere, Ü. 298. 



normal and sucker leaves, ii. 615. 



numerous galls on, ii. 552. 



Quere usi)enduliua,bud-galläofCynii>slucida, 



ii. 542. 

 Quercus pubescens, and gall of Cynips caput- 

 metlusiD, ii. 541. 



— — influence of Cynips polycera, ii. 550. 

 Qoercus sessiliflora, dimensions, L 722. 

 fruiting brauch, ii. 435. 



galls ou bract^scales. ii. 540. 



Quickset hedge, nature of, i. 673. 

 Quince. See Pjfrus cydonia. 

 Quinine, L 462. 



R. 



•' Race", meaning of, il 5S1. 



Raceme, i. 738. 



Rachis, application of term, i. 737. 



— developed into spine, i. 447. 

 Radiation and leaf-movements, L 532. 

 Radicle, behaviour in Mistletoe, i. 206. 

 Radiolaria and Chlorella, symbiotic, ii. 637. 

 Radiolarite, symbiosis with plants, i. 254. 

 Riidix palaris, i. 760. 



Raffia Ruffii, inflorescence, i. 745. 

 Rafflesia, colour and odour, ii, 197. 



— mycelium-like tissue in host, i. 200. 

 Rafflesia Amoldii, flower, description of, &c., 



L203. 

 Rafflesia Padma, Java, size and description 



of flowers, 1 203. 

 Rafflesia Schaden bergiana, size of flowers, 



ii. 185. 

 Rafflesiaceee, ii. 755. 



— anthocyanin, i. 433. 



— flower-stalk origin, i. 736. 



— nature of scents, iL 199. 



— only European representative, L 204, 



— parasitic on trunks and branches, i. 201. 

 Rafflesi£B, disagreeable odour, i. 199. 



— geographical distribution, mode of growth, 



Bize of flowers, &c., i. 203. 

 Ragwort. See Senecio. 

 Rain, agent in dispersal of offshoots, ii. 809. 



— and scDSitive plants, i. 536. 



— carbon dioxide, sulphuric acid, and am- 



monia in, i 79. 



— carbonic and nitric acid in, i. 370. 



— dust collector, i. 80. 



Rain-water, contrivances for retention of, i. 



156. 



irrigation of, i. 97. 



various modifications of caidine leaves 



for conduction, i. 95. 

 Ramalina reticulata, Fmticose Lichen, Ü.694. 

 Ramondia, dehiscence of poUen-sacs, ii. 92. 



— pollen sprinkling, ii. 274. 

 Ramondia pyrenaica, stamen, iL 91. 

 Kampion. See Pkyteuma. 

 Ranales, iL 774. 



Rannoculaceic, autogamy in, iL 345, 38L 



— dichogamy in, iL 311. 



— distribution of sexes. iL 298. 



— hybrids among, ii. 5&4. 



— movements of stamens, ii. 250. 



— pollen-grains, ii. 99. 



— protection of pollen, iL 118. 



— protogj-ny in, ii. 310. 



— venation, L 633. 



— Water, leaf-rosette», i. 412. 

 lUoonculus, aquatic, aerial and submerged 



leaves, iL 505. 

 pollen dispension, ii. 105. 



— caritellary insect platform, ii. 229. 



— storage of pollen, iL 94. 



Ranunculus acris, protection of pollen, ii. 120. 



Ranunculus alpestris, distribution of sexes. 

 Ü. 293. 



nectaries, iL 178. 



Ranunculus atiuatllis, heterophyllous, L 668. 



linie-iucrustiog. i. 260. 



Ranunculus bakli'nsis, distribution of sexes, 

 Ü. 293. 



Ranunculus Baudotii, heterophyllous, i. 668. 



Ranunculus bulbosus, downward pull of 

 roots, L 767. 



Ranunculus Ficaria, bud-like offshoots, ii. 

 459. 



colour of flowers, ii. 183. 



plant and tuber-like offshoots, ii. 460. 



tubers, i. 651. 



tubers dispersed by floods, ii. 810. 



Ranunculus fluitaus, length, L 3S8. 



Ranunculus glacialis, distribution of sexes, 

 ii. 293. 



flower, ii. 174. 



nectaries, ii. 178. 



nectary concealment, ii. 181. 



Ranunciflus hololeucus, heterophyllous, L 668. 



Ranunculus Neapolitanus, roots, L 760. 



Ranunculus pedatus, PI. VI. 



Raphanus, pollen-grain, ii. 100. 



Kaphanus sativus, cotyledons, i. 62L 



Raphe, of ovule, ii. 81. 



Raphia tiedigera, Brazil, size of leaves, L 287. 



Raphides, L 457. 



Raphidophora decursiva, ii. 743. 



climbing habit, ii. 745. 



Rarionim Plantarum Historia, by Clusius, 

 Ü. 601. 



Raspberry. See Ruh^is Idceus. 



Ravenala, sheltering of pollen, ii. 108. 



Ravenala Madagascariensis, ii. 735. 



Rays, medullary, L 468. 



Rays of spectrum, absorption, transforma- 

 tion, i. 379. 



Reaumuria, salt on leaves and stem, L 236. 



Recapitulation-theory, iL 608. 



Receptacle, floral, L 746. 



— hooey secretion, i. 747. 



— in fruit-formation, ii. 435. 



— persistent, ii. 434. 



Red Currant. See Ribcs rubrum. 



Red-rot, i. 264. 



Red Sea, reddened by Trichodesmium, i. 389. 



Red Sea-weeds. See Florideae. 



Red Snow, ii. 627. 



Red-wood. See Sequoia sempervirais. 



Reed. See Phragmites communis. 



Reed-like Grasses, was on leaves, i. 292. 



Reed-mace, See Typka lati/olia. 



Reeds, contrivances for irrigation, i. 99. 



— type of community, ii. 838, 893. 

 Rehmannia, pollen deposition, ii. 230. 

 Reindeer-moss. See Cladonia rangifcrina. 

 Rejuvenescence, of plants, L 584. 

 Renovation without fertilization, ii. 45. 

 Replum, of sihqua, ii. 432. 

 Reproduction, kinds of, ii. 6. 



— of Chara fragil is, ii. 660. 



— very simple type in Chlamydomonas, ii. 



630. 

 Reproductive organs, homologies in Phanero- 

 gams and Vascular Crj'ptogams, ii. 478, 



protection from loss of heat, i. 529, 



Reseda, ovary, ii. 73. 



Reseda odorata, artificial tree production, iL 

 453. 



scent, ii. 200, 209. 



Resedacca:, ovary open, ii. 775. 

 B>eserve-bud8, characteristics, ii. 34. 



distribution, ii. 31. 



Reserve materials, L 459. 



and enzymes, i. 464. 



Reserve-tissue, food-stores, i. 598. 



of seeds. L 599 : ii. 422. 



Reservoirs, water, in leaves, i. 156. 

 Residual substances in autumn leaves, i. 485. 

 Resilient fruit-stalks and disiK-rsal, ii. 840. 

 Resin and preservation of fossil plants, U. 



612. 



— and protection of fruits, ii. 446. 

 Respiration and germination, i. 494. 



Respiration, chemistry of, L 497. 



— heat development, i. 497. 



— in absence of oxygen, i. 504. 



— in dormant organs, i. 494. 



— in Mushrooms, L 498. 



— measure of energy, i. 494. 



— motlus operandi, i. 495. 



— of plants, impelling force, L 492. 

 Respiratory cavity of stoma, L 280. 



— heat and germination of seeds, i. 560. 

 Retama, explosive flowers, ii. 267. 



— protection of stomata from moisture, L 



298. 



— protective coat of wax, L 292. 

 Retention of deposited pollen, ii. 279. 

 Kettenstein, slate mountains and character- 

 istic vegetation, ii, 495. 



Revolver-flowered Gentians, ii. 387. 



Revolver- flowers, ii. 249. 



RhacomitriJB. special absorptive cells of, L 



218. 

 Rbamnus, drupe, ii. 428. 



— hybrids in, ii. 584, 



— phyllotaxis. L 399. 



Rhamnus cathartica, distribution of sexes, ii. 

 299. 



pollen-grains, ii. 97. 



BcroU-galls of Trioza Rhaiimi, ii. 531, 



Rhamnus hybrida, behaviour of foliage, ii. 



574. 

 Rhamnus pumila, lattice-forming stem, L 



678. 

 Rhamnus sazatilis, distribution of sexes, ii. 



299. 



spines, i. 443. 



Rhamnus tiuctoria, distribution of sexes, ii. 



299. 

 Rhamnus Wulfenii, venation, i. 630. 

 Rheum, i. 94. 



— and Field-mice, i. 763, 



— anthocyanin, i. 484. 



— geitonogamy, ii. 328. 



— scale-leaves and earthing up, i. 625. 

 Khinanthacese. geitonogamy, ii. 331. 



— hybrids among, iL 585. 



— many parasitic, L 176. 



— nectaries, ii. 174. 



— pollination, ii. 129. 



— relationships to Lathrsca, i. 181. 



— uniformity of venation, i. 635, 

 Rhinantbus, nectary, ii, 174. 



— pollen sprinkling, ii. 272. 



— protection of pollen from wet, ii. 110. 



— venation, i, 631, 



Rhinantbus angustifolius, flower, ii. 273- 



pollen-sprinkling apparatus, iL 273. 



Rhipidopteris, distribution of sporangia, ii. 



706. 

 Rhipidopteris peltata, Mexico, two kinds of 



fronds, ii. 12. 

 Rhip.'jalis, on trees, i. 106. 

 Rhizidiomyces, Ufe-cycle, ii. 671. 

 Rhizobium, fixation of free nitrogen, ii. 624. 

 Rhizobotrya alpina, autogamy, ii, 335. 

 Rhizocarps, description, iL 709. 

 Rhizoids, absorption-cells of Mosses, &c., L 



86. 



— mechanical changes due to, L 265. 



— of Grimmia apocarpa, disintegrating 



power, i. 258. 



— of Mosses, water absorbents, i. 219. 

 Rbizoma, application of term, i. 624. 

 Rhizome, nature of, L 652. 

 Rhizomes, dimensions of, iL 797. 

 Rhizomorphs, of Agaricus melteus, iL 689 

 Rhizophora. columnar root«, i. 759. 



— compared to viviparous animal, ii. 450. 



— elevation by roots, i. 771. 



— germination. &c., L 602. 



— habiUt. i. 602. 



— no root-cap in marsh- in habiting, i. 164. 



— roots, i. 756. 



Rhizophora conjugata, embr>'Ogeny, &c., L 



602. 

 flower, fruit, seed and germination, L 



603. 

 stilt-root«, structure, i. 761. 



