CONTENTS. 



vu 



at the Whim, 553; Spruce Firs at the Whim, 

 553 ; Nettles, 553 ; Peat Tiles, 553 ; Yucca glo- 

 ribsa, O^lea excelsa, and Clethra arbbrea,554 ; 

 Upright, or Irish Yews, S54 ; An Insect on the 



; Pear Irees at Kinmel Park, 695 ; Vitality of 

 Seeds, 695 ; London Botanical Society, 695 ; 



, Proposed Botanic Gardens in Leeds, 696 ; Col- 

 chester Botanic Garden, 696; Zoological Gar- 

 dens, 696; Slieffield Floricultural and Horti- 

 cultural Exhibition, 697 ; The Poraological 

 Rivals of Lancaster, 697 ; Kensington Nursery, 

 697 ; A Half-hardy Arboretum, 697 ; Miller's 

 Nursery Bristol, 697 ; Wheeler's Nursery War- 

 minster, 697 ; Wasps in Warwickshire, 698 ; 

 Rooks and Walnuts, 698 ; I'lie comparative 

 Protection afforded to Horticulture and Arbori- 

 culture by the English Law, 698 ; Grafting the 

 Oak; Grafting the C'yd6nia japonica and the 



. Cratce^gus Pyracantha on the common Haw- 

 thorn, 698 ; Grafting the Zelkoua, or Planera 

 Richcird?", on the common Elm, 698 ; i^raxinus 

 americ^na ^"uglandif 61ia, 699 ; Edw&rdsia mi- 

 crophylla, 699; The Lemon, 699 ; The Whorl- 

 leaved Elm, 699; y^'bic-s Douglas«, 699; Draw- 

 ings of Trees for the Arboretum Britannicum, 

 699 ; Napoleon's Willow, 700 ; Ipomce'^a rilbro- 

 CEerulea, 702 ; Seed-growers, 702 ; Lupinus, 

 703 ; Blue Dahlias, 700 ; The Cape Shallot, 703 ; 

 Scale on the Pine, 703 ; Budding the Vine, 703 ; 

 Italian Melons, 703 ; Persian Melons, 703 , The 

 new Turkish Onion, 704 ; The Mercer Potato, 

 704 ; The Steam Plough and the Scotch System 

 of Husbandry, 704; Samples of Wheat from 

 the Spanish Main, 705 ; A Refinery of Sugar 

 from Beet Root, 705. 



Scotland. — The Idea of an Experimental Farm, 

 103; Useful Reading for Gardeners, 104; 

 Sir VV. J. Hooker, 371; The Botanical Society 

 of Edinburgh, 705 ; Subscriptions for a Monu- 

 ment to Douglas, 705 ; Hints for the Improve- 

 ment of Cottage Gardening in Scotland, 706 ; 

 The Curatorship of the Caledonian Horticul- 

 tural Society's Garden, 706 ; LeptospL'rmum, 

 706 ; A new Seedling Strawberry, 706. 



Ireland. — Effect of Light and Heat in affecting 

 the Exhalation of Moisture fropa the Leaves of 

 Plants, 105 ; Structure of the Wood of the 

 Conifera, 105; Variegated common Ash, 371. 



MlSCEI^ANEOrS. 



Proposals for erecting a Monwnent to the 



late Mr. David Douglas - - 384 



Biographical Notice of the late Mr. David 

 Douglas, the Traveller and Botanist ; with 

 a Proposal to erect a Monument to his 

 Memory ; and a List of the Plants which 

 » he introduced . . - - 602 



Ploughing by Steam ... 488 



The scientific Examination of Gardeners - 610 

 Retrospective Criticism. — Errata, 159. 269. 372. 

 706 ; Mr. Mearn's Method of coiling Vines, 

 159; White Scale on Pines, 160; Destroying 

 the white Scale on the Pine-apple, 160 ; Arbo- 

 retum Britannicunn, 215 ; WistSir;a chinensis, 

 215; Destructionof the white Scale on the Pine 

 Plants, 216 ; The Belfast Horticultural Society, 

 269 ; Alterations proposed in the Form of the 

 Exhibitions of the Productions of Horticultural 

 Societies, 372 ; The Horticultural Society's 

 Fruit Show of May 14., 373; Serpentine Walls 

 causing Currents of Air, 373 ; Culture of the 

 Potato, 374 ; On the Subject of Bottom Heat, 

 374 ; Destroying the white Scale on the Pine- 

 apple, 376 ; Deformity occasioned by the usual 

 Meth<id of nailing Fruit Trees, 376 ; Analysis 

 of Vegetables and Manures, 490; Variegated- 

 leaved Plants, 490 ; The Formation of Arbo- 

 retums, 490; The Kincairney Ash, 492; The 

 Pendency of the Spray of the Ash, 492 ; Cul- 

 ture of Epiphytal Orchi'deae, 492 ; Grafting 

 the Vines, &c., 493; Cutting large Limbs off' 

 the Vine, 494; The Construction of Vineries, 

 and the Shriveling"of Grapes, 494 ; Culture of 

 the Potato, 494 ; Arrangement and Manage- 

 ment of Fruit Trees in Kitchen-Gardens, 554 ; 

 Soot and Ashes as Manures to Lawns, 555 ; 

 Objections to Pruning, 555 ; Kensington Gar- 



A 4 



dens, 706 ; Taking the Girt of Trees for the 

 Arboretmn et Fruticctum. Britannicum, 706 : 

 Destroying the Scale on the Pine-ai>plc, 707; 

 Qu^rcus Sobur sessiliflijrum at Woburn Abbey, 

 707 ; Oak Galls, 707 ; The Excrescences upon 

 the Oaks, 708 ; Cossus Ligniperda Fab., Xeu- 

 zera a^'sculi Lut., jDorcus parallelopipedus 

 Mad., 708 ; The Portraiture and Biography of 

 the Species of Insect most commonly observed 

 by Persons engaged in Gardening of any kind, 

 or in Farming, 710. The Poverty of the Jersey 

 Gardens, 711. 

 Queries and Answers. — Manner of making a 

 Peach taste of Wormwood, 52 ; Freeing Fire- 

 Stones of Flues from Smoke Stains, 52 ; Graft- 

 ing Forest Trees in Parks and Plantations, 52 ; 

 The Red Spider on the R'tbes sangutneum, 52; 

 Currants and Gooseberries for Wine, 52 ; Me. 

 Ions, 52; The inherent Power of Soils to con. 

 vert Foreign Substances into their own Nature, 

 161; Destruction of the Thrips, 162; Destruc- 

 tion of Insects, 162 ; A Machine for discharg- 

 ing Bullets of Dung or Earth over a Peat 

 Bog or Swamp, 162 ; Serpentine Garden Walls, 

 162 ; Smoke Stains on Flues, 163 ; Remov- 

 ing Shrubs, &c., from a Garden, 163 ; Facts on 

 the Mistletoe, 217 ; Two Plants of Mistletoe, 

 217; Raisin des Carmes, 218; White Scale 

 on Pine Plants, 218; Canker on Cucumber 

 Plants, 218; A remarkable Yew Tree, 270; 

 Loudon's Seedling Grape, 270 ; The Gama 

 Grass, 271 ; Crickets in Hot-houses, 376 ; Re- 

 medy for the Thrips, 367 ; Safe and effectual 

 Remedy for the Thrips, 377 ; Effects of Frost 

 on French Beans, 378 ; Salisbfir/a adiantif blia, 

 378; The Mistletoe, 378; Taxbdium distichum, 

 379 ; Coe's Golden Drop Plum, 379 ; Smooth, 

 leaved and rough-leaved Rape, 379; Destruc- 

 tion of Crickets, 495; Destroying Crickets in 

 Hot-houses, 495; Thrips destroyed in Cucum- 

 ber and Melon Frames, 495 ; Destroying the 

 Scale on the Pine-apple, 495 ; The reddish in- 

 sular Scales on the under Side of Oak Leaves, 

 496; Oak Galls, &c., 496; Pinus Pinaster as 

 Timber, 496 ; Singular Varieties of indigenous 

 Oaks, 498 ; Aucuba jap6nica, 555 ; Frogs will 

 eat Wasps, 555 ; Two Crops of Grapes in One 

 Year, 555 ; Coal Sittings for Garden Walks, 

 555; The black Grub on Turnips, 711; The 

 Grapes at Kinmel Park, 711 ; Large black 

 Hamburgh Grapes,711; A new Seedling Vine, 

 711 ; Destroying the Scale on the Pine-apple 

 Plant, 711 ; Budding or grafting the Walnut, 

 712; The Olive Tree immersed in Water, 712; 

 Plnus Pinaster as Timber, 712; The Salisbtiria, 

 712 ; Certain Trees in the Park of Blair Drum- 

 mond, near Stirling, 712 ; Malformation of 

 Pears, 712; 'Johnson's Willow, 713; Hybrids 

 of the True Service, 713 ; Roses in Northamp. 

 tonshire, 713; Tree Dahlias, 715; The Potatoes 

 in Norway, 715; The Fruit of the Rzbes san- 

 guineum, 716 ; Queries respecting the most 

 profitable Kind of Fruit for a Market-Gardener, 

 716; Salubrity and Insalubrity of Situation, 716. 

 Apse Court, near Walton on Thames, 712. A 

 Garden in a Burial-Ground, 712. Miller, Gar- 

 dener to the Earl of Orford at Chelsea, 712. 

 Walter Clarke, an ancient Florist. 712. The 

 Papaw Tree, 716. The Hydrangea with blue 

 and red Flowers on the same Plant, 717. Do 

 Sheep eat aromatic Plants? 712. i?6sa HirdzV, 

 717. Piingus melitensis, 717. The Girton Pip. 

 pin Apple, 719. Potash from Beet Root, 719. 

 Rabbits preferable to Pigs for making Ma- 

 nure, 711. Cactus heptagona, 718. Ornamental 

 Hedges, 718. 



Covent Garden Market. — 50. 107. 219. 272. 328. 

 383. 498. 



London Horticultural Society and Garden. — 51. 

 106. 163. 220. 273. 329. 379. 443. 499. 556. 717. 



South London Floricultural Society. — 382. 



Obituary. — Mr. Charles Williamson, 108 ; Mr. 

 Joseph Picken, 164 ; M. Deleuze, 164; Further 

 Details respecting the Death of Mr. Douglas, 

 274; Dr. Hosack, 276; Sir John Sinclair, 276; 

 Mr. Richard Cunningham, 386 ; Mr. James 

 Young, F.H.S, 612; Mr. Robert Adams, 612; 

 Jussieu, 719; Mr. John Shepherd, A.L.S., 720. 



