( 5 ) 



(4) Structure of Organs. tags 



Schrenk, J. — Vegetative Organs of Brasenia peltata . . ., .. 449 



Tvbecf, C. v. — Formation of Boots in Loranthacem 450 



Sablon. Leclerc de — Root-hairs of the Rhinanthese 450 



Lendstrom, A. N. — Mycodomatia in the Roots of Papilionaoese .. .. .. .. 450 



Bruck, T. — Morphology of Underground Stems 450 



Flot, L. — Aerial Stems 451 



Traetwein, J. — Anatomy of Annual Branches and Inflorescences .. 451 



Dagiillon, A. — Structure of the Leaves of certain of the Coniferze 451 



Schumann, K. — Comparative Morphology of the Flotcer 451 



Keller, R. — Size and Colour of Alpine Flowers 452 



Halsteij, B. D. — Trigger-hairs of the Thistle-flowers 452 



Baillon, H. — Ovules of Planltago •. 452 



Penzig, O. — Anatomy and Diseases of Awrantimese .. .. 453 



Greinert, M. — Morphology and Anatomy of Loasaceee 453 



Geepin, F. — Polymorphism attributed to certain, generic groups 453 



g. Physiologry. 

 (1) Reproduction and Germination. 



Burck, W. — Heterostylism and Self '-fertilization 453 



Robertson, G. — Fertilization of Calopogon parviflorus 454 



Lindbiann, C. — Pollination of Alpine Plants .. .. 454 



Magnes, P. — Pollination of Silene injiata 454 



(2) Nutrition and Growth (including Movements of Fluids). 



Detjier, W. — Physiological Oxidation in the Protoplasm 454 



Hueppe, F. — Assimilation in Plants destitute of Chlorophyll 455 



Chrapow itzki — Synthesis of Albuminoids 455 



Rodewald, H. — Relation between the Heat and the Carbonic Acid given off by 



Plants in Respiration , . . . 455 



Sonntag, P. — Duration of the Apical Growth of the Leaf , .. .. 455 



Noll, F. — Influence of External Forces on the Form of Plants 456 



Henslow, G. — Transpiration as a Function of Living Protoplasm 456 



' (3)1 Irritability. 



Gardiner, "W. — Contractility of the Protoplasm of certain Cells 457 



Vines, S. H. — Movement of Leaf of Mimosa pud-lea 457 



Saposhnikopf, W. — Geotropism , 458 



y. General. 



Beyeblnck, M. W. — Cecidium of Nematus Caprese .» .. .. .. 458 



B. CRYPTOGAMIA. 



Vaizet, J. R. — Alternation of Generations in Green Plants 459 



Eccles, R-. G. — Thallophytes in Medicinal Solutions ., .. .. 459 



Cryptogamia Vascularia. 



Kl'neig, J. — Development of the Sporangium of Polypodiacese 459 



M'Nab, W. R. — Stomata and Ligules of Selacinella 460 



Muscineae. 



Vaizey, J. R. — Anatomy and Development of the Sporogonium of Mosses .. .. 460 



Philibert — Internal Peristome of Mosses 461 



►Sablon, Leclebo du — Antherozooids of Bepaticse . . 461 



Characese. 



Allen, T. F. — American Characex 461 



Algae. 



Stroemfelt, H. F. G. — Attachment-organ of Algse 461 



Hick, T. — Physiology of Phseophycese ., .. 462 



Loew, O., fr T. Bokobny — Chemico-physiological Study of Algse 463 



Wakkeb, J. H. — Crystalloids in Marine Algse 463 



Leitgeb, H. — Incrustation of the Cell-wall of Acetabular ia 463 



Peter, A. — Batrachospermum, Chantransia, and Lemanea 464 



Wakkeb J. H. — Rejuvenescence of Caulerpa 464; 



