xxiv CONTENTS. 



PACB 



rAX,F.— Anatomy of Euphorbiaccie Part 5 824 



Klerckek, J. E. F. AF — ATwtomicdl Structure and Development of 



Ceratophylluin >» 825 



Zahlbruckneb, A. — Lenticels „ 825 



Pfurtscheller, P. — Anatomy of the Wood of Conifers „ 825 



Fischer, H. — Comparative Anatomy of the Tissue of the Medullary Rays 



and Annual Zones of Growth in Conifers „ 826 



Markfeldt, O. — Behaviour of the Leaf-trace-bundles of Evergreen 



Flants as the stem increases in thickness ,* 826 



Tieghem, p. van — Gum-canals of the Sterculiaccx „ 827 



Hoiinel, F. v. — Striated Woody Tissue „ 828 



Her;UL, J. — Structure of Stem of Strychnos „ 828 



TscniRCH, A. — Mechanical Tissue-system „ 828 



Bachmann, E. — Structure a7id Function of the Aril in certain Legu- 



minosm n 829 



WoRONiN, M. — Leaves of Statice monopctala „ 829 



Ebeling, M. — Ahsorhing Organs of Albuminous Seeds „ 829 



Strasburger, E. — Emhryo-sac of Santalum and Daphne , 830 



Baccarini, F. — Morphology of the Receptacle „ 831 



Baldini, A. — Spur of Cncurbitacex „ 831 



Adlerz, E. — Anatomy of the Fruit of Ranunculacex „ 831 



CuGiNi, G. — Anatomy of the Female Inflorescence of Dioon cdule .. .. „ 832 



CosTANTiN, J. — Influence of the Medium on the Structure of Roots .. „ 832 



Sablon, Leclerc DU — Structure and Dehiscence of Anthers „ 832 



Gravis, A. — Vegetative Organs of Urtica dioica „ 833 



Laborie, E. — Anatomy of Peduncles compared with that of the Primary 



Axes and of Petioles „ 833 



Hegelmaier, F. — Wolffia microscopica „ 834 



Loew, O. — Various Degrees of Resistance in Protoplasm Pait 6 1019 



GiLTAY, E. — Peculiar Structwe of Protoplasm in the Paratracheal 



Parenchyma „ 1020 



Hartwicii, 0. — Tannin and Lignin in Galls „ 1020 



Gilbert, J. H., & W. J. Russell — Conditions of the Development and 



of the Activity of Chlorophyll „ 1020 



Fischer, A. — Sieve-tubes in the Leaves of Dicotyledons „ 1020 



Wilson, A. S., & G. Murray—" Sclerotioids" of Potato „ 1022 



Schwexdener, S. — Laticiferous Vessels „ 1022 



Kny, L., & A. Zimmermann — Spiral Cells of Nepenthes ,, 1023 



CosTANTiN, J., & L. MoROT — Fibrovascular Bundles of Cycadex . . . . „ 1023 



Penhallow, D. p. — Relation of Annual Rings of Exogens to Age .. „ 1023 



Heckel, E., & J. Chareyre — Anatomy of Pitcher-plants „ 1024 



Kamiexski, F. — Vegetative Organs of Monotropa „ 1025 



Fleischer, E. — Protection of Leaves from excessive Transpiration .. „ 1025 



Briozi, G. — Heterophylly of Eucalyptus globulus „ 1025 



Beyerixck, W. — Cecidomyia-galls on Poa , 1026 



Bessey, C. E. — Opening of the Flowers of Desm/xlium sessilifolium .. „ 1026 



„ „ Inflorescence of Cuscuta glomerata „ 1026 



Coulter, J. M. — Relation of Ovary and Perianth in tJts development of 



Dicotyledons „ 1026 



Meehax, T. — Elasticity in the Fruit of Cactaceae „ 1027 



„ „ Use of Spines in Cactuses „ 1027 



