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PAGE 



WiELER, A. — Conduction of Sap through, the Secondary Wood .. 768 



Balland — Development of Wheat 769 



Claeke, C. B. — Root-pressure.. 769 



Elving, F. — Curvature of Plants .., .. .. 769 



Gkiffiths, a. B., & Mbs. Griffiths — Influence of certain Hays of the Solar 



Spectrum on Root-absorption and on the Groioth of Plants . . 769 



Helriegel, & WiLLFARTH — Absorption of Nitrogen hy Plants 770 



(3) Irritability. 



Bateson, A., &F. Darwin — Method of Studying Geotropism . . 770 



Pfeffeb, W. — Chemotactic 3Iovements of Bacteria, Flagellata, and Yolvocinese .. 770 



(4) Chemical Changres (including: Kespiration and Fermentation). 



Rodewald, PL.-^Changes of Substance and Force connected with Respiration . . .. 11^- 



BoKOENY, T. — Formation of Starch from various substances 771 



y. General. 



ScHQiPER, A. F. W. — Relationship between Ants and Plants 171 the Tropics .. .. 772 



Pringsheim, N. — Deposition of Calcareous Incrustations on Fresh-water Plants .. 77B 



Brenstein, G. — Action of Ether on Plant-life , 773 



B, CRYPTOGAMIA. 



Cryptogamia Vascularia. 



Vines, S. H. — Systematic Position of Isoetes 773 



Vaizet, J. R. — Development of the Root of Eguisetum 773 



Muscineae. 



ScHNETZLER, J. 'B.— Reproduction of Tliamnium alopecurum 773 



Noll, F, — Protonema of Schistoste<ja osmundacea 774 



Rt'ssow, E. — Physiological and Comparative Anatomy of Sphagnaceie 774 



Roll — Forms of Sphagnum . , . . 775 



Algae. 



ToNi, J. B. de — Classification of Chlorophycese 775 



Hansgirg, a.— Classification of ConfervoidefB 775 



BoENET, E., & C. FLAHArLT— JVew Genera of Perforating Algai 776 



WiLUEMAN, E. DE — TJlotlirtx and Stichococcus 777 



„ „ Trentepohlia 777 



ToNi, G, B. DE — Diatoms from a Trygon 777 



Ftmgi. 



Phillips, W. — Luminosity of Fungi 777 



BouDiER — Conidiferous Form of Polyporics biennis .. 778 



Brefeld, O. — Classification of Basidiomycetes 778 



Patouillard, N. — Neio Tubercularia .. .. 779 



Masses, G. — Calostmna Desv. {Mitremyces Nees) 780 



Groves, W. B. — Vimina, a new Genus of Hyphomycetes ,, 780 



Th&men, F. v. — Fungi of Fruit-trees 780 



Bonnet, H. — Parasitism of the Truffle 780 



Setnes, J. T)^— Fungus Parasitic on the Pine-apple .. 780 



Brunchorst, J. — Fungus Parasitic on the Salt-fish 781 



Bartet & VLnLLEMiN — '' Rouge" of the Scotch Fir 781 



Dangeard, a. — Parasites of the Peridiniese 781 



Vbillemin, P. — Disease attaching Amygdalex .. .. ,. .. 781 



ZopF, W. — Haplocoecus reticulatus 782 



Lagerheim, G. — New Puccinia .. .. .. 782 



Massee, G. — Sexual Organs in JScidium 782 



GiARD, A. — Symbiotic Fungus in Molgulidee , 782 



Lister, A. — Plasmodium of Badhamia and Brefeldia ,. .. 783 



Dangeard, P. A. — My cological Notes .. 783 



Protopliyta. 



GoMONT, M. — Relationship between Phormidium and Lyngbya . . . . 784 



Mace, E. — Cultures of Cladothrix dichotoma .. .. 784 



Lagerheim, G. — Neio Pleurocapsa .. 784 



Schnetzler, J. B. — Colouring matter of the icaters of the Lalie of Bret 785 



Jacquemin, G. — Saccharomyces ellipsoideus and its Use in the Preparation of Wine 



from Barley., ,. .. 785 



