CONTENTS. XXV 



IWCiR 



Ikeno, S. — Fertilisation of Salisburia 061 



Holfeuty, G. M. — Ovule and Embryo of Potamogefon .. ■ 064 



LoNQO, B. — Endotropio Course of the 1'nlli it-tiihi- 664 



Ferguson, M. 0. — Pollen-tube of Pinus 064 



(2) Nutrition and Growth (including- G-ermination, 

 and Movements of Fluids). 



Waller, A. D. — Electrical Effect of Light upon Green Leaves 59 



Seelhorst, — . v. — Influence of the Water of the Soil on the Development of Plant* 59 



Volkaert, A. — Parasitism of Pedicular is 60 



Heckel, E. — Parasitism of Ximenia americana 60 



Rimpacu, A. — Germination of some Perennial Herbs 60 



Terras, J. A. — Germination of the Winter-buds of Hydrocharis Morsus-Ranx .. 60 



Schloesing, Th., Fils — Absorption of Nitrogen by Plants 61 



Daniel, L. — Conditions for successful Grafting 178 



RicC.me, H. — Development of Etiolated Plants when replaced in the Light . . .. 178 



Prianischnikow, D. — Absorption of Phosphoric Acid by Plants 179 



Hildebrand, F. — Germination of Hxmanthus tig rinus 179 



Friedel, J. — Influence of Pressure on Chlorophyll Assimilation 301 



Tompa, A. — Grafting of the Vine 302 



Kovessi, M. L. — Ripening of Shoots of the Vine 302 



Waller, A. D.— Vitality of Seeds 302 



Boehm, M., & others — Sensitiveness of Plants to Mineral Substances 302 



Goldflus, M. — Chlorophyll-Assimilation through the Bark 43G 



Friedel, J. — Chlorophyll-Assimilation outside the Living Plant 436 



Beijerinck, W., & K. Latjbert — Cytisus Adami 436 



Kraetzer, A. — Growth in Length of Petals and Fruit . .. 436 



Laurent, E. — Grafting the Potato on the Potato 436 



Preston, E. — Non-sexual Propagation of Opuntia .. .. 437 



Nabokich, A. — Capacity of Plants to live without Oxygen .. . 555 



Czapek, F. — Carbon-dioxide Assimilation of Leaves in Winter 555 



Arber, E. A. N. — Effect of Mineral Salts on Assimilation 556 



TJrsprung, A. — Excentric Growth in Thickness 556 



Coupin, H. — Sensitiveness of Plants to small amounts of Potassium Salts .. .. 556 



Andre, G. — Absorption of Phosphorus and Sulphur during Germination .. .. 556 



Jencic, A. — Action of Low Temperatures on the Germination of Seeds 556 



Watson, W. — Germination of Bertholetia 557 



Burgerstein, A. — Recent Work on Transpiration 557 



Dixon, H. PL.— Vitality of Seeds 665 



Tammes, T. — Influence of the Solar Rays on the Germination of Seeds 6ti5 



Kovessi, F. — Ripening of Shoots of the Vine 066 



Kusano, S. — Parasitism of Buckleya 066 



Hammerle, J. — Periodicity in the Growth of the Root 666 



Macmillan, C. — Periodic Growth in the Potato 606 



Fuchs, K. — Movement of Water in Plants 606 



Curtis, C. C. — Transpiration and the Resistance of Stems 006 



(3)] rritability. 



Nemec, B., & G. Haberlandt — Perception of Geotropic Irritation 61 



Czapek, F. — Geotropic Sensitiveness of the Root-tip 179 



Usteri, A. — Irritability of the Stamens of Berber is 179 



Livingston, B. E. — Nature of the Stimulus which causes the Change of Form in 



Polymorphic Green Algm 1 79 



Montemartini, L. — Sensitiveness of the Nodes of Grasses 3u3 



Gcillon, J. M. — Geotropism of the Roots of the Vine 303 



Nemec, B. — Perception of Gravitation by Plants 437 



Darwin, F. — Geotropic Function of the Hoot-tip 437 



Pantanelli, E. — Motile Cushions of Robinia and Porliera 437 



Neljcbow, D. — Horizontal Nutation of the Stem of Pisum sativum, &c 437 



GtIOVAnnozzi, U. — Hygroscopic Movements in Plants 557 



