Vegetable Teratology - An Account of the Principal Deviations from the Usual Construction of Plants

Maxwell T. (Maxwell Tylden) Masters

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• Publié par: upsi
• Publié le: 08 décembre 2010
• Nombre de lectures: 39
• Langue: English

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The Project Gutenberg eBook, Vegetable Teratology, by Maxwell T. Masters, Illustrated by E. M. Williams This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org Title: Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Author: Maxwell T. Masters Release Date: November 6, 2007 [eBook #23354] Language: English Character set encoding: ISO-8859-1 ***START OF THE PROJECT GUTENBERG EBOOK VEGETABLE TERATOLOGY*** E-text prepared by Charlene Taylor, Leonard Johnson, and the Project Gutenberg Online Distributed Proofreading Team (http://www.pgdp.net) THE RAY SOCIETY. INSTITUTED MDCCCXLIV. This volume is issued to the Subscribers to the Ray Society for the Year 1868. LONDON: MDCCCLXIX.VEGETABLE TERATOLOGY, AN ACCOUNT OF THE PRINCIPAL DEVIATIONS FROM THE USUAL CONSTRUCTION OF PLANTS BY MAXWELL T. MASTERS, M.D., F.L.S. WITH NUMEROUS ILLUSTRATIONS BY E. M. WILLIAMS. LONDON: PUBLISHED FOR THE RAY SOCIETY BY ROBERT HARDWICKE, 192. PICCADILLY. MDCCCLXIX. TO JOSEPH DALTON HOOKER, M.D., D.C.L., LL.D., F.R.S., F.L.S., ETC. ETC. DIRECTOR OF THE ROYAL GARDENS, KEW, This Volume IS GRATEFULLY INSCRIBED.TABLE OF CONTENTS. PAGE INTRODUCTION xxi BOOK I. DEVIATIONS FROM ORDINARY ARRANGEMENT 1 PART I.—Union of Organs 8 CHAPTER I. Cohesion 9 Cohesion between axes of same plant, 9—Fasciation, 11—Cohesion of foliar organs, 21—Of margins of single organs, 21—Tubular petals, 23—Cohesion of several organs by their margins, 25—Of the sepals, 27—Of the petals, 28—Of the stamens, 29—Of the pistils, 29—Ascidia or pitchers, 30. CHAPTER II. Adhesion 32 Adhesion of foliar organs, 32—Of leaves by their surfaces, 33—Of foliar to axile organs, 34—Of sepals to petals, 34—Of stamens to petals, 34—Of stamens to pistils, 35—Miscellaneous adhesions, 35—Of fruit to branch, 36— Synanthy, 36—Syncarpy, 45—Synspermy, 50—Between axes of different plants of same species, 50—And of different species, 55—Synophty. PART II.—Independence of Organs 58 CHAPTER I. Fission 59 Fission of axile organs, 60—Of foliar organs, 61—Of petals, 66—Of stamens, 68—Of carpels, 68. CHAPTER II. Dialysis 69 Dialysis of margins of individual parts, 70—Of margins of parts of same whorl-calyx, 70—Of corolla, 71—Of stamens, 73—Of carpels, 73. CHAPTER III. Solution 76 Solution of calyx from ovary, 77—Of stamens from petals, 82. PART III.—Alterations of Position 83 CHAPTER I. Displacement 84 Displacement of bulbs, 84—Of inflorescence, 85—Of leaves, 87—Of parts of flowers, 91—Of carpels, 96—Of placentas and ovules, 96. CHAPTER II. Prolification 100 Prolification of the inflorescence, 102—Median foliar, 103—Median floral, 105—Lateral foliar, 106—Lateral floral, 107—Prolification of the flower, 115—Median foliar, 116—Median floral, 119—Axillary prolification, 138—Foliar, 141—Floral, 142—Complicated prolification, 151—Of embryo, 155. CHAPTER III. Heterotaxy 156 Formation of adventitious roots, 156—Of shoots below the cotyledons, 161—Adventitious leaves, 162—On scapes, 163—Production of leaves or scales in place of flower-buds, 164—Viviparous plants, 168—Formation of buds on leaves, 170—In pith, 171—On bulbs, 172—Production of gemmæ in place of spores, 173—Of flowers on leaves, 174—Of flower-buds in place of leaf-buds, 176—Of flowers on spines, 177—Of flower-buds on petals, 177—On fruits, 178—In ovaries, 180—Of stamens in ovaries, 182—Of pollen in ovules, 185—Homomorphic flowers of Compositæ, 188—Heterotaxy affecting the inflorescence, 188—Supra-soriferous ferns, 190.CHAPTER IV. Heterogamy 190 Change in the position of male and female flowers, 191—From monœcious to diœcious condition, 193—From diœcious to monœcious, 193—From hermaphroditism to unisexuality, 195—From unisexuality to hermaphroditism, 197—Pollen replaced by ovules, 201. CHAPTER V. Alterations in the direction of organs 201 Fastigiation, 202—Eversion, 204—Altered direction of leaves, 205—Altered direction of flower, 206—Reflexion, 209—Gymnaxony, 211. BOOK II. DEVIATIONS FROM ORDINARY FORM 213 PART I.—Stasimorphy 216 CHAPTER I. Persistence of juvenile forms 217 Stasimorphy in leaves of Conifers, 217—Regular peloria, 219. PART II.—Pleiomorphy 228 CHAPTER I. Irregular peloria 228 PART III.—Metamorphy 240 CHAPTER I. Phyllody 241 Phyllody of bracts, 242—In inflorescence of Conifers, 245—Of calyx, 245—Of corolla, 251—Of stamens, 253—Of pistils, 256—Of ovules, 262—Changes in nucleus of ovule, 269—Phyllody of accessory organs, 272—Chloranthy, 273—General remarks on, 278. CHAPTER II. Metamorphy of floral organs 281 Sepalody of petals, 282—Petalody of calyx, calycanthemy, 283—Petalody of stamens, 285—Of anther, 291—Of connective, 293—Compound stamens, 294—Petalody of pistils, 296—Of ovules, 297—Of accessory organs, 297—Staminody of the bracts, 298—Of sepals and petals, 298—Of pistils, 299—Of accessory organs, 301— Pistillody of perianth, 302—Of sepals, 302—Of stamens, 303—Of ovules, 310. PART IV.—Heteromorphy 311 CHAPTER I. Deformities 311 Formation of tubes, 312—In flower, 314—Spurs, 315—Contortion, 316—Spiral torsion, 319—Of leaf, 326— Adventitious tendrils, 326—Interrupted growth, 327—Cornute leaves, 328—Flattening, 328. CHAPTER II. Polymorphy 329 Heterophylly, 330—Dimorphism, 333—Sports or bud-variations, 336. CHAPTER III. Alterations of colour 337 Albinism, 337—Virescence, 338—Chromatism, 339. BOOK III. DEVIATIONS FROM ORDINARY NUMBER 340 PART I.—Increased Number of Organs 343 CHAPTER I.Multiplication of axile organs—inflorescence 346 Multiplication of branches, 346—Plica, 346—Polyclady, 347—Multiplication of branches of inflorescence, 348—Of bulbs, 350—Of florets, 351. CHAPTER II. Multiplication of foliar organs 352 Pleiophylly, 353—Multiplication of stipules, bracts, &c., 357—Polyphylly, 358—Increased number of leaves in a whorl, 358—Polyphylly of bracts, 358—Of calyx, 358—Of corolla, 359—Of andrœcium, 361—Of gynœcium, 363— Of flower in general, 365—Increased number of ovules and seeds, 367—Of embryos, 369—Of cotyledons, 370— Pleiotaxy, or multiplication of whorls, 371—Pleiotaxy of bracts, 371—Of calyx, 374—Of perianth, 375—Of corolla (hose in hose), 376—Andrœcium, 379—Andrœcium of Orchids, 380—Pleiotaxy of gynœcium, 388—Increased number of flowers in an inflorescence, 391. PART II.—Diminished Number of Organs 392 CHAPTER I. Suppression of Axile Organs 393 Acaulosia, 393—Non-development of peduncle, 393—Nature of calyx-tube (Casimir de Candolle), 394— Suppression of columella, 395. CHAPTER II. Suppression of Foliar Organs 395 Aphylly, 395—Meiophylly, 396—Of calyx or perianth, 396—Of corolla, 397—Of andrœcium, 398—Of gynœcium, 399—Of flower, 400—Meiotaxy, 403—Of calyx, 403—Of corolla, 403—Of andrœcium, 405—Of gynœcium, 406—Of ovules or seeds, 407—Of flower, 408—General remarks on suppression, 409. BOOK IV. DEVIATIONS FROM ORDINARY SIZE AND CONSISTENCE 413 PART I—Hypertrophy 416 CHAPTER I. Enlargement 417 Of axile organs, 418—Knaurs, 419—Enlargement of buds, 420—Of flower-stalk, 421—In pears, 423—Of placenta, 424—Of leaves, 426—Development of parts usually abortive, 427—Enlargement of perianth, 428—Of andrœcium, 430—Of gynœcium, 430—Of fruit, 431—Alterations of consistence, 432. CHAPTER II. Elongation 488 Elongation of root, 434—Of inflorescence, 434—Of flower-stalks, 435—Of leaves, 437—Of parts of flower, 438— Of thalamus and placenta, 440—Apostasis, 440. CHAPTER III. Enation 443 Excrescences from axile organs, warts, 444—Enation from leaves, 445—From sepals, 448—From petals, 448— Catacorolla, 451—Enation from stamens, 453—From carpels, 453. PART II.—Atrophy 454 CHAPTER I. Abortion 455 Abortion of axile organs, 455—Of receptacle, 457—Of leaves, 458—Of perianth, calyx, and corolla, 460—Of stamens, 463—Of pollen, 463—Of pistil, fruit, &c., 464—Of ovules, 466—Depauperated ferns, 466—General remarks, 467. CHAPTER II. Degeneration 470 Formation of scales, 470—Of hairs, 472—Of glands, 473—Of tendrils, 473. GENERAL CONCLUSIONS. General morphology of the leaf and axis, 476.—Homology, 476—Special morphology, 479—Calyx-tube, 480— Andrœcium, 482—Inferior ovary, 482—Placentation, 483—Structure of the ovule, 484—Leaves of Conifers, 484— Relative position of organs, 484—Law of alternation, 485—Co-relation, 486—Compensation, 488—Teratology and classification, 488.APPENDIX. Double flowers, varieties of, 491—Causes of production, 491—Relation to variegated foliage, 497—List of plants producing, 499. NOTE 508 INDEX TO SUBJECTS 511 INDEX OF NAMES OF PLANTS 517LIST OF ILLUSTRATIONS. FIG. PAGE 1. Diagram of regular pentamerous flower 4 2. Cohesion of branch Dipsacus sylvestris 10 3. Fasciated lettuce ('Gard. Chron.') 11 4. Fasciation in Asparagus 12 5. Fasciation in Pinus Pinaster 13 6. Fasciation and spiral torsion in Asparagus ('Gard. Chron.') 14 7. Fasciation in scape of dandelion 16 8. Pitcher on leaf of Pelargonium 22 9. Transition from flat to tubular segments of the perianth in Eranthis 24 10. Pitcher of Crassula arborescens (C. Morren) 26 11. Gamopetalous corolla, Papaver bracteatum 28 12. Adhesion of petaloid stamen to segment of perianth, Crocus 35 13. Adhesion of petal, stamen and carpel, Cheiranthus Cheiri 36 14. Synanthy. Campanula Medium ('Gard. Chron.') 37 15, 16. Synanthic flowers of Calanthe vestita 39 17. Synanthy in Digitalis purpurea ('Gard. Chron.') 40 18. Synanthy in Calceolaria 41 19, 20. Syncarpic apples 47 21. Adhesion of two stems of oak ('Gard. Chron.') 51 22. Adhesion of branches of elm ('Gard. Chron.') 52 23. Adhesion of two roots of carrot, one white, the other red ('Gard. Chron.') 53 24. Section through inverted and adherent mushrooms 54 25. Bifurcated male catkin, Cedrus Libani 61 26. Bifurcated leaf, Lamium album 62 27. Bifurcated leaf, Pelargonium 63 28. Bifurcated frond, Scolopendrium 64 29. Three-lobed