CONTENTS. XXlll 



PAQB 



Kleeberg, A. — Medullary Rays of Conifers Part 2 270 



PKErss, P. — Leaf-stalk and Cushion „ 271 



WissELiNGH, C. VAN — Structure of Bundle-sheath , 271 



Brunchoest, J. — Tubercles on the Roots of Leguminosse ,, 271 



„ „ Tubercles on the Ro(As of the Alder , 272 



Lawrence, P. E., & C. S. Raddin — Cdl-markinjs as Specific 



Characters of Exogenous Trees „ 272 



Schenck, H. — Biology of Wuter-2Jlants , 272 



Degagnt, C. — Pollen-tubes , 273 



Meehan, T. — White-seeded Variety of the Honey-locust „ 273 



WiLHELM — Gerininative Power of Seeds after exclusion of Air and Drying 



at High Temperatures „ 273 



Kronpeld, M. — Distribution of the Fruits of Compositie „ 274 



Caspari, H. — Epidermal System of Cactaceae „ 274 



ScHUBE, T. — Anatomy of Leafless I'lmls „ 274 



LuDWiG, F. — Flowers of Figs „ 274 



Kramer, A. — Fruit-scales of Cupressiiiese and Placentas of Abictinex .. „ 275 



Mahlert, a. — Structure of the Leaves and Stomata in Coniferse ., .. „ 276 



Ebel, G. — Peculiar Epidermal Organ „ 277 



TsCHiRCH, A. — Aril and Seed of the Nutmeg ,, 277 



DiNGLER, H. — Phylloclades of Phyllanthus „ 277 



Moore, S. Le M. — Continuity of Protoplasm Part 3 466 



WiGAND, A. — Currents of Protoplasm „ 466 



MiKOSCH, K. — Origin of Chlorophyll-grains „ 467 



Hansen, A. — Amount of Chlu7-ophyll in Leaves „ 407 



TiMlRlAZEFF, 0. — Chlo7-ophy II and the reduction of Carbonic Acid.. .. „ 468 

 Bonnier, G., & L. Mangin — Action of Chlorophyll in the U lira-Violet 



Obscurity ,, 468 



MuNTZ, A. — Elem.ents of Lactose in Plants , 469 



Moore, S. Le M. — Rosannff's Crystals in Endosperm-cells of Manihot 



Glaziovii 470 



SCHTJLZE, E., & E. BosSHARD — Allantoin, Asparagin, Hypoxanthin, and 



Guanin in Plants ^^ 470 



Andree, A. — Excretion of Salts from Leaves „ 470 



Gkoom, P. — Growing-point of Phanerogams ,, 470 



Schenck, H. — Lining of Inter-cellular Passages „ 471 



Mann, R. — Capacity of Park for Swelling „ 471 



Beccari, O. — '^Ant-plants" of the Indo-Malayan Archipelago and New 



Guinea ,, 471 



PiROTTA, R. — Dimorphism of Jasminum „ 472 



VOCHTING, H. — Causes of the Zygomorphy of Flowers „ 472 



Gruss, J. — Bud-Scales of Conifers 472 



Beck, G. — Mechanism for the Opening of Pore-capsules , 472 



Janczewski, E. DE — Dorsiventral Structure of the Roots of Orchidex . . „ 473 



MCller, Fritz — Roots acting as Leaves 473 



Henslow, G. — Vernation and Methods of Development of Foliage as 



protective against Radiation 473 



Holm, T. — Anatomy and Morphology of submerged Monocotyledons , . , 474 



CoSTANTiN, J. — Leaves of Sagittaria ^^ 474 



Dalitzch, M. — Anatomy of the Leaves of Aroidex , 474 



Stabv, L. — Cloffing of the Scar after the Fall of the Leaf 474 



