( 5 ) 
PAGB 
Rolfs, P. H. — Seed-coats of Malvaceae 504 
Baroni, E . — Seeds of Hemerocallis 504 
Tubeuf, K. yon — Wings of the Seed of Abietineae 505 
Pfeiffer, A . — Arils 505 
Hua, H . — Rhizome and Inflorescence of Paris 505 
Keller, R. — Casting-off of Hairs .. .. 505 
Sachs, J . — Formation of Balls of Roots 506 
Lachner-Sandoval, V . — Roxburghia 506 
/?. Physiology. 
(1) Reproduction and Embryology. 
Karsten, G . — Embryogeny of Gnetum 506 
Kooders, S. H . — Embryogeny of Tectona 507 
Chauveaud, G . — Ovule and Embryo-sac of Vincetoxicum .. .. 508 
Coulter, S., & T. Meehan — Cleistogamous Flowers of Polygonum 508 
Carter, A . — Evolution in Methods of Pollination 509 
Vinassa, P. E., & G. Aroangeli — Pollination of Dracunculus 509 
M‘Leod, J . — Pollination of Pyrenaean Flowers .. .. 509 
Terracciano, A . — Pollination of Nigella 510 
(2) Nutrition and Growth (including Germination, and Movements of Fluids). 
Heckel, E . — Germination of Araucaria Bidwilli 510 
Verschaffelt, J . — Dissemination of Seeds 510 
Sachs, J . — Period of Formation of the Flower 510 
Russell, W . — Development of the Male Inflorescence of the Walnut 510 
Wakker, J. H. — Viviparous Grasses 511 
Mer, E . — Activity of the Cambium in Trees 511 
Frank, B . — Assimilation of Free Nitrogen by Plants 511 
Lawes, J. B., & J. H. Gilbert — Sources of Nitrogen in Leguminous Plants .. .. 512 
Aloi, A . — Transpiration and the Movement of the Stomates 512 
Pappenheim, K . — Tension of Gases in the Stem 512 
(3) Irritability. 
Oltmanns, F . — Photometric Movements of Plants .. 513 
Ross, H . — Carpotropic Movement in Trifolium subterraneum 513 
Cobelli, R . — Movements of the Flower and Fruit of Erodium 514 
Paoletti, G . — Movements of the Leaves of Porlieria 514 
Deweyre, & E. Bordage — Photographic Representation of the Movements of Plants 514 
(4) Chemical Changes (including Respiration and Fermentation). 
Miquel, P . — Urease 515 
Brown, H. T. — Cellulose-dissolving Enzyme 515 
y. General. 
Muntz, A . — Defoliation of the Vine 516 
Negri, G. de — Composition of the Air contained within Seed-vessels 516 
Lesage, P . — Absorption of Sodium Chloride by Plants 516 
B. CRYPTOGAMIA. 
Cryptogamia Vasculana. 
Schottlander, P . — Histology of the Sexual Cells of Cryptogams 516 
Bower, F. O . — Sporophyte of Lycopodinse and Ophioglossaceae 517 
Campbell, D. H . — Prothallium and Embryo of Osmunda 517 
Poirault, G . — Structure of Ophioglossum 518 
Leclerc du Sablon — Tubercles of Equisetum .. 518 
Solms-Laubach — Fossil Remains in the Culm .. 518 
Muscinese. 
Coesfeld, R . — Anatomy and Physiology of Mosses 518 
Ortloff, F. — Stem-leaves of Sphagnum 519 
Algae. 
Jonsson, B . — Increase in Thickness of the Florideae 519 
Batters, E. A. L. — Conchocelis, a new genus of Perforating Algae 520 
Barton, E. S . — Malformations of Ascophyllum and Desmarestia 520 
Sauvageau, C . — Parasitic Phaeosporeae 520 
Bennett, A. W. — Spore-like Bodies in Closterium 520 
„ „ Propagation and Septationjef Vaucheria 520 
Murray, G . — Dictyosphaeria 521 
„ „ Fossil Caulerpa 521 
Hansgirg, A.—Chlorella, Chlorococcum , and Chlorosphaera 521 
