( 5 ) 



(5) Structure of Organs. ^^^^ 



TiEGHEM, P. Van, & H. DouLioT — Origin of Lateral Boots 262 



Mer, E. — Changes in a Booting Ivy-Leaf • 263 



GcNTZ, M. — Leaces of Grasses .. .. 263 



Hassack, 0. — Coloured Leaves _ •; •• "63 



Dtjfour, L. — BelationsMp of the Anatomical Structure of Leaves to their Origin ., 264 



Petit, L. — Petiole as a Taxonomic Organ 264 



Leitgeb, H. — Structure and Physiology of Stomal a 264 



CoLOJiB, G. — Anatomy of Stipules 265 



Bachmann, O. — Peltate Sairs 265 



VocHTiNG, H. — Zygomorphy of Floicers •• 266 



GoEBEL, K. — Double Flowers 266 



Mangin, L. — Ovuliferoui Petals in Caltha jjalustris 266 



GoEBEL, K. — Inferior Ovaries .. 266 



Gardiner, W. — Extra-floral Nectaries of Hodgsnm'a heteroclita 267 



Macchiati, L. — Extra-floral Nectaries of Amygdaleie 267 



Lampe, P. — Succulent Fruits .. ,. 267. 



Kronfeld, M. — Contrivance for dispersing the Fruit of Scutellaria galericulata .. 267 



Gtjignard, L. — liaphides-cells in the Fruit of Vanilla 2G8 



Ebrera, L. — Efficiency of the defensive structures of Plants 268 



)3. Physiology, 



(1) Eeproduction. 



Guignabd, L. — Reproductive Organs of Hybrids 268 



Strasbxjrgek, E. — Hybrid-pollination 269 



Mangin, L. — Vitality of Pollen-grains 269 



Calloni, S. — Fertilization <f Achlys triphylla 269 



AuBiviLLiTJS, 0. — Fertilization of Aconltum Lyeoctonum 269 



Gpignard, L. — Fertilization of GactacesR 270 



Meehan, T. — Fertilization of Cassia marilandica 270 



(2) G-ermination. 



Atwater, W. O., & E. W. PtOCK-woOD — Loss of Nitrogen by Plants during Germina- 

 tion and Growth .. .. 270 



Candolle, C. De — Effects of the Temperature of Melting Ice on Germination .. .. 271 



Ludwig, F. — Desiccation of Seeds of Aquatifi Plants 271 



PiccoNE, A. — Birds as Disseminators of Seeds 2il 



(4) Growth.. 



Kronfeld, M. — Correlation of Groivth .. .. 271 



Tiegbem, P. Van — Terminal Growth of the Boot in Nymph leoce^ 271 



Kkabbe, G. — Gliding Growth in the Formation of the Tissues of Vascular Plants .. 272 



Mer, E., & J. CosTANTiN — Influence of an Aquatic Medium on Amphibious Plants .. 272 



(6) Movement. 



Kohl, F. G.— Transpiration 272 



TiEGHEM, P. Van — Chlorovaporization 2^3 



Sablon, Leclegc Du — Influence of Cold on the Movements of the Sap 273 



(7) Chemical Processes (including- Fermentation). 



TiEGHEM, P. Van — Inversion of Sugar by Pollen-grains 273 



y. General. 



LvNDSTEOM, A. N. — Symbiotic Formations 273 



Low, F. — Phyfoptocecidia 274 



Treub, M. — Parasitism of Heterodera javanica 274 



ScHNETZLEE, J. B. — Diseased Potato 274 



B. CRYPTOGAMIA. 



Cryptogamia Vascularia. 



TuoiAL-E,'S..—Leaf-8talh of Ferns 274 



GoEBELER, E. — Paiess of Ferns 275 



Bakee, J. G. — Pilularia 275 



Muscineae. 



Lindbeeg, S. O. — Beproductive Organs of Muscineas 275 



PuiLiBERT — Peristome of Br yum .. .. .. 275 



A MANN, J. — Optical Properties of the Peristome of Mosses 2j^6 



BuYssoN, K. — Amblystegium 276 



Jack, J. B. — Insectivorous Hepaticae 276 



Stephani, F. — Mastigobryum ; 276 



LutPRiCHT, K. G. — Babenhorst's ' Cryptogamic Flora of Germany ' (JSlusd) .. .. 277 



