( 4 ) 
BOTANY. 
A. GENEHAL, including the Anatomy and Physiology 
of the Phanerogamia. , 
a. Anatomy. 
(1) Cell-structure and Protoplasm. page 
Loew, O., & T. Bokorny — Behaviour of Vegetable Cells to a very dilute Allmliiie 
Silver-Solution 53 
ScHWENDENER, S. — Douhhj-refractive Power of Vegetable Objects 53 
(2) Other Cell-contents (including- Secretions). 
Thomson, W . — Green Colouring-matter in Buried Leaves 53 
BiiSGEN, M . — Localization of Tannin 53 
IMacchiati, L. — Colouring-matter of the Cones of the Scotch Fir 54 
Alberti, A . — Function of Calcium Oxalate in Leaves 54 
(3) Structure of Tissues. 
Mertins, H . — Mechanical Tissue-system 54 
Scott, D. H . — Distribution of Laticiferous Tissue in the Leaf 55 
Lignier, O . — Influence of the Symmetry of the Stem on the Fibro-vascidar Bundles ,. 55 
Berlese, a. N . — Anatomy of the Mulberry 55 
Robinson, B. L . — Stem of Phytocrene macrophylla 55 
Wakker, J. H . — Increase in thickness of the Stem of Abrus precatorius 55 
(4) Structure of Organs. 
Hackenberg, H . — Structure of an Assimilating Parasite 56 
Mangin, L . — Membrane of Pollen-grains 56 
Tomaschek, a. — Thickening-layers of Pollen^grains 56 
Farmer, J. B . — Morphology and Physiology of Pulpy Fruits 57 
Yelonovsky, j . — Branching of Vegetative Axis and Inflorescence 57 
Dueour, L . — Comparative Anatomy of Bracts, Leaves, and Sheathing Leaves .. .. 58 
Ernst, A . — Laminar Enations from the Surfaces of Leaves 58 
Errera, L . — Apparatus to demonstrate the Mechanism of Turgidity and Movement 
in Stomates 58 
Schmidt, C . — Hairs of Labi atse and Borraginex .. .. 58 
Hoch, F. a . — Hairs of Labiatx, Scrophulariacex, and Solancex 59 
Hovelacque, M. — Underground Scales of Lathrxa 59 
JuEL, O . — Structure of Konigia 59 
Prazmowski, a. — Root-tubercles of Leguminosx 59 
Holm, T . — Tubers of Uydrocotyle americana 60 
Physiology. 
(1) Reproduction and Q-ermination. 
Liebscher, G . — Heredity and Continuity of Germ-plasm 60 
M‘Leod, j . — Pollination by Insects .. .. 60 
Musset, C . — Fertilization of Gladiolus 60 
Lee, 0. W , — Fertilization of Glossostigma .. .. 61 
Halsted, B. D . — Pollination of the Barberry 61 
,, „ Irritability of the Stamens of Portulaca 61 
Correns, C . — Cultivation of the Pollen-tubes of the Primrose 61 
Focke, W. O . — Distribution of Seeds by Birds 61 
Huth, E . — Dispersion of Seeds in Excrement 61 
(2) Nutrition and Growth (including Movements of Fluids). 
Lubke, R . — Importance of Potassium for the Growth cf Plants 62 
Barton, B. W , — Multiplication of Bryophyllum .. .. 62 
VoCHTiNG, H . — Power of Transplantation of Organs ., 62 
ScHENCK, H . — Climbing Shrubs 62 
Vines, S. H . — Epinasty and Hyponasty 63 
Fankhauser, F . — Ascent of Sap in Woody Stems.. 63 
