Newton's lantern slide catalogue (1920s)

222 NEWTON & CO., Ltd., Lantern Slide Publishers. BOTANICAL PLANT ORGANS, SPORES, FERTILIZATION, & c ,—Con tin u ed. 51 Development of Lenticel in the Elder. This section shows the Stomata only before the commencement of Cork formation. 52 Development of Lenticel in Elder. Shows the formation of the spongy cells under the Stomata, and also the first beginning of the Cork. 53 Fully developed Lenticel on Elder showing its structure and also the rapidly developing Cork layer. 54 Leaf Fall Poplar. Long. Sec. through junction of petiole and stem showing the for- mation of the Absciss layer which causes the leaf to fall. 55 Leaf Fall. Trans. Sec. through the Absciss Layer in leaf of Horse Chestnut, which causes the leaf to fall in autumn, showing the corky layer forming. 56 Trans. Sec. through Xylem of leaf of Pinus. Sec- tion through bordered pit showing the pores and central membrance. 57 Long Sec. of Hop Stem with Trans. Sec. of Dodder Stem parasitic thereon. Shows the haustoria from the Dodder which has grown into the Hop Stem. It also shows very beautifully the spiral vessels in the Hop Stem. AVA STRUCTURAL BOTANY. (FLOWERS). From carefully-executed diagrams. The various parts are numbered and appear on the slides with the printed descriptions. Plain Slides^ 2,?. each. 1 Berberis vulgaris, 2 Cardamine pratensis. 3 Viola carcarata, 4 Dianthus deltoides. 5 Stellaria graminea. 6 Malva silvestris, &c. (essential organs). 7 Erodium cicutarium. 8 Sarothamnus scoparius. 9 Parnassia palustris. 10 Anthriscus silvestris. 11 Achillea millefolium and Chrysanth: leucanth : 12 Cnicus arvensis. 13 Hieracium umbellatum and H: pilosella. 14 Campanula pusilla. 16 Erica tetralix. 16 Veronica chamaedrys. 17 Digitalis purpurea. 18 Euphrasia offi'inalis. 19 Pedicularis silvatica. U P “ THE HERB YIELDING YIELDING SEED AND THE TREE FRUIT.” A Popular Exposition of Plant Life and Growth. Illustrated from Nature. This Series was arranged and the Lecture written by F. Timbrei.l. Descriptive Lecture, 1^. 3(i .; Plain Slides, 2s. each. 1 Root of Sunflower. Branching 2 Potato. Cork and Starch Cells 8 Cork Cells 4 Root of Maize., Root Hairs. 5 Root of Barley. Growing Tip 6 Duck-weed. Root Cap 7 Sucker Roots of Dodder on Clover 8 Stem of Elm, T.S. Formation of wood 9 „ Bamboo T.S. Forma- tion of wood 10 „ TreeFernT.S. Forma- tion ot wood 11 Scalariform Cells of Fern. Formation of wood 12 Stem of Butcher’s Broom T.S. Formation of wood 13 „ MaleFernT.S, Forma- tion of wood 14 „ Bracken T.S. Forma- tion of wood 15 ,, Buttercup T.S. For- mation of wood 16 ,, Bean T.S. Formation of wood 17 „ Orange T.S. Formation of wood 18 Stem of Hazel T.S. Formation of wood 19 „ Elder. Pith T.S. For ma^ion of wood 20 ,, Hop T.S. Formationof wood 21 ,, Rattan T.S. Forma- tion of wood 22 „ Lime V. and T.S. For- mation of wood 23 Shoot of lame V.S. Leaf arrangement 24 Bud of Lily T.S. Leaf arrange- ment 25 Stem of Deadnettle. Leaf arrangement 26 Branch of Elm. Leaf arrange- ment 27 Branch of Oak. Leaf arrange- ment 28 Leaf of Lime. Leaf veining 29 ,, ,, Lily of Valley ,, 30 M •> Hart’s Tongue „ 31 Leaf Stalk of Hop T.S, 32 „ Blade „ T.S. 33 ,, of Tndiarubbe T.S. Cys- tolith in situ 34 Stomata 35 Water Stomata 36 Leaf of Sundew 37 Pitcher Plant 38 Spathe of Arum 39 Bud of Lily T.S. 40 ,, Poppy V.S. 41 Stam‘=*nT.S. 42 Poppy Head 43 „ T.S. 44 Bloom of Hydrangea 45 „ ,, Fuchsia 46 American Poplar 47 Black „ 48 Maple 49 Pollen Grains 50 „ „ Germinating 61 Ovary of Lily T.S. 52 Sori'of Fern 53 Prothallus 54 Ferns Germinating 55 Cluster of Blackberries 56 M I. Hawthorn 57 Hooked Fruit of Burdock 58 Winged ,, Maple 69 H'eathered „ Thistle 60 Pods of Laburnum See also an excellent lecture on “ Trees, their forms and branchingf,” page 281. NOTE.—When ordering Slides the Telegraphic Code Letters should be quoted to avoid mistakes.