CONTENTS. 
XXVH 
I’AGE 
Hildebrand, F . — Growth of Seedlings and Cuttings 
Martelli, U . — Parasitism and Multiplication of Cynomorium 
Griffiths, A. B. — Direct Absorption of Ammoniacal Salts by Plants .. 
Devatjx, H. — Aeration of Tissues 
Heckel, E . — Germination of Araucaria Bidwilli 
Verschaffelt, J . — Dissemination of Seeds 
Sachs, J . — Period of Formation of the Flower 
Bussell, W . — Development of the Male Inflorescence of the Walnut .. 
Wakkeu, J. H. — Viviparous Grasses 
Meu, E. — Activity of the Cambium in Trees 
Frank, B. — Assimilation of Free Nitrogen by Plants 
La wes, J. B., & J. H. Gilbert — Sources of Nitrogen in Leguminous Plants 
Aloi, A. — Transpiration and the Movement of the Stoinatcs 
Pafpenheim, K . — Tension of Gases in the Stem 
Duchartre, P. — Germination of Freesia refracta 
Dammer, U. — Dissemination of the Polygonaccx 
Stance, B . — Relationship between the Concentration of the Substratum, and 
'Jury or and Growth 
Bokorny, T . — Influence of Nutriment on the Vegetable Cell 
Gruss, J . — Biology of Buds 
Prunet, A. — Development of the Buds in the Potato 
Daniel, L . — Grafting of Cruciferx 
Lopriore, G. — Regeneration of Split Roots 
Bonnier, G. — Revivification of Desiccated Plants 
Meehan, T . — Vitality of Annual Plants 
Wieler, A. — Relation between secondary Increase in Thickness and the Nu- 
trition of Trees 
Foerste, A. F. — Autumn and Spring Flowering Plants 
Wehmer, C . — Passage of Substances out of Leaves in the Autumn 
Siedler, P. — Radial Current of Sap in the Roots 
Thomas, M. B . — Apparatus for Determining the Periodicity of Root-pressure 
Frank, B . — Assimilation of Free Nitrogen by Plants 
Lamarliere, L. Geneau de — Assimilation in the Sun and in the Shade .. 
Beyerinck, W . — Accumulation of Atmospheric Nitrogen by Bacillus radicicola 
Broocks, W . — Periodicity of Transpiration 
Curtel, G. — Transpiration from the Flower 
Detmer, W . — Intramolecular Respiration of Plants 
Boehm, J . — Respiration of the Potato 
Part 3 
390 
11 
391 
11 
391 
11 
391 
Part 4 
510 
H 
510 
11 
510 
11 
510 
11 
511 
71 
511 
11 
511 
11 
512 
11 
512 
„ 
512 
Part 5 
638 
ii 
G39 
ii 
639 
V 
639 
11 
639 
„ 
640 
11 
640 
11 
640 
11 
610 
11 
641 
Part G 
821 
5> 
821 
11 
821 
11 
821 
11 
822 
11 
822 
11 
823 
11 
823 
11 
823 
11 
823 
11 
824 
11 
824 
(3) Irritability. 
Voegler, C . — Sensitiveness of Antherozoids Part 1 
Elfving, F . — Sensitiveness of the Filaments of Mucorini „ 
Kellerman, W. A . — Nutation of the Sunflower Part 2 
Correns, C . — Dependence of Sensitiveness on the Presence of Oxygen . . . . Part 3 
Klercker, J. af — Caloritropic Phenomena of Roots ,, 
Wiesner, J . — Positively Geotropic Flower „ 
Oltmanns, F . — Photometric Movements of Plants Part 4 
Boss, II . — Carpotropic Movement in Trifolium subterraneam „ 
Cobellt, B . — Movements of the Flower and Fruit of Erodium ,, 
Paoletti, G . — Movements of the Leaves of Porlieria „ 
Dewevre, & E. Bordage — Photographic Representation of the Movements 
of Plants 
70 
71 
235 
392 
393 
393 
513 
513 
514 
514 
514 
