( 5 ) 



(2) Nutrition and Growtli (includine Movements of Fluids). pagi; 



DETLEFSEiiT, E. — Absorption of Light in assimilating Uaves .. 412 



Fbank, B. — Absorption of Nitrogen by Plants .." ,. 412 



(3) Irritability. 



Noll, F. — Physical Explanation of Irritation-curvatures 41 ii 



(4) Chemical Changes (including- Respiration and Fermentation). 



Laurent, E. — Formation of Starch from Organic Solutions .. .. 414 



Tackb, B. — Development of Nitrogen in Putrefaction 414 



y. General. 



SoHiMPER, A. F. W. — Epiphytic Vegetation of the Tropics .. .. .. .. ,. 414 



BoNNiEK, G. — Influence of Alpine Climate on Vegetation .. .. .... .. .. 415 



Keasabt, F. — Parallel Forms .. .. .. .. .. ,. 415 



B. CRYPTOGAMIA. 



Bennett & Mueeay's Cryptogamic Botany .. .. .. .. .. 415 



Cryptogamia Vascularia, 



RozE — Azolla filiculoides .. .. .. .. 417 



Characeas. 



GuiGNAED, L. — Antherozoids of Characeee ., .. .. , ,, .. 417 



Algse. 



MiGTJLA, W. — Effect of dilute Acids on Algae . . . . , . . , 418 



BiGELOw, K. P. — Structure of the Frond of Champia parviila . , .. .. ., .. 418 



MoBius, M. — Askeiiasya polymorpha 418 



Noll, F. — Colouring-matter of Bangia . . .. 418 



Hansgieg, a. — Classification of Confervoidem .. .... 419 



ToNi, G. B. DE, E. DE Wilbeman, & A. JlAi!fs<ii&3i^-Mycoidea, Hansgirgia, and 



Phyllactidium , 419 



Eeinke, J. — Tilopteridex ., .. .. .. .. 419 



Stockmayeb, S. — New Genus of Desmidiacex .. .. .. .. .. 420 



Hansgieg, A.. — Crenacantha, Periplegmatium, and Hansgirgia 420 



Wildbman, E. DE — Trentepohlia .. .... .. .. .. 420 



ToNi, G. B. TIE— Pilinia and Acrohlaste .. .... .. 421 



Noll, F.— Influence of Position on the Morphological Development of some Siphono- 



cladacem .. .. .. , .. .. 421 



Fungi. 



DuPETiT, G. — Toxic Principles of Fungi .. .^ 421 



SCHICHT, K.-rNeio Cases of Mycorhiza 422 



CosTANTiN, J. — Simple Mucedinese . . . . . . 422 



Dangeaed, p. a.— Biology of Chytridiaceie .. .. 422 



Cunningham, D. D.^Bamphospora, a new genus of Ustilaginem 423 



ZoPF, W. — Fungi parasitic on the lower Animals and Plants 423 



Vi.ovi'KKiWE's British Vredinex and UstilaginesR 424 



Solsis-Laubach — Penicilliopsis, a new germs of Ascomycetes 424 



FiscHEE, E. — Cyttaria .. .. .. .. .. 424 



BoEzi, A. — Eremothecium, a new genus of Ascomycetes 425 



Baccaeini, p. — Coniothijrium diplodella .. ., .. 425 



Mattieolo, O. — Polymorphism of Pleospora herbarum 425 



JoNSSON, B. — Presence of Stdphurous Oil in Penicillium glaucum .. .. .. .. 426 



Kh^BAnis, 11.— Dissemination of the Spores in Bhytisma acerinum 42o 



Adametz, L. — Saecharomyces lactis .. 426 



Aecangeli, G. — Phosphorescence of Pleurotus olearius 426 



ZuKAL, H. — Hymenoconidium .... 427 



