( 6 ) 



PAGB 



GciGNARD, L. — Antherozoidg of Ferns 552 



Sablon, Leclerc DU — Stem of Ferns 552 



Lowe, E. J. — Varieties in Ferns .. .. 552 



Kabenhorst's Cryptogamic Flora of Germany ( Vascular Cryptogams) 553 



Stenzel, G. — Tubicaulis 553 



Muscinese. 



Amank, J. — Leptotrichic Acid 553 



Geheeb, a. — Mosses from New Guinea . . .. 553 



GuiGNARD, L. — Antherozoids of Hepaticfe and Mosses 554 



Haberlandt, H. — Geotropism of the Bhizoids of Marchantia and Lunularia . . 554 



Alg88. 



PiccoNE, A. — Connection of the geographical distrihution of Algse with the chemical 



nature of the substratum 555 



Askenasy, E., AND OTHERS — Algx of the ^ Gazelle' Expedition 555 



WiLLE, N. — Development of Tissues in Floridese 555 



RosENViNGE, L. K. — Frond of Polysiphonia 556 



WiLLE, N., AND J. G. Agardh — Apical Cell of Lomentaria and Champia .. .. 556 



Barber, 0. A. — Bulb of Laminaria bulbosa 556 



Vries, H. de — Contraction of the Chlorophyll-bands of Spirogyra .. .. .. .. 557 



WiLDEiiAis, E. De — Variation in Besmids 557 



Murray, G., & L. A. Boodle — Spongocladia .. .. .. 557 



WoLTKE, G. — Urospora .. .. .. 557 



ToNi, G. B. DE — Chionyphe .. ., ,. .... .. 558 



Murray, G., & L. A. Boodle — Avrainvillea 558 



Noll, F. — Cellulose-fibres of Caulerpa .. .. 558 



Klein, L. — Volvox 558 



Dawson, Sir "W., & D. P. Pbnhallow — Nematophyton 560 



Fungi. 



ZoPF, W. — Fungus-pigmenis 560 



KiTASATO, 8.— Mush-fungus 560 



GiARD, A. — New Entomophthoracese .. .. 561 



Magnus, P. — Urophlyctis Kriegeana sp. n 561 



KiRcH>[ER, O. — Elxomyces, a new type of Fungi 561 



Bonnier, G. — Synthesis of Physcia parietina 561 



Cooke, M. C, & G. Massee — New development of Ephelis 562 



KouMEGUERE, C— Disease of Chestnut-trees 562 



Miyabe, Kingo — Life-history of Macrosporium parasiticum 562 



Cavara, F. — American '^Bitter-rot" 563 



Costantin, J. — Cladosporium herbarum .. .. 563 



LuDWiG, R. — Microscopic twining Fungus . . . . 563 



DiETEL, P. — Heterospory of Gymnosporangium 563 



SoEAUER, P. — Mildew of the Apple , 563 



Klebahn, H. — Uredinese of Finus Strobus 564 



Patouillard, N. — Coleopuccinia 564 



Costantin, J. — Tulasnella, Prototremella, and Pachysterigma 564 



Martelli, U. — Phosphorescence of Agaricus olearius 564 



Atkinson, G. F. — Phosphorescent Mushroom .. 565 



Beck, G. Ritter v. — Poroptyche, a new genus of Pulyporese .. .. 565 



Amann — Mycose on the Sporange of Mosses 565 



Protopliyta 

 o. ScMzophycese. 



Gobi, C. — Peromelia, a New Genus of ScMzophycese, 565 



Cunningham, D. D. — Stomatochytrium, a new genus of Endophytic Protococcaccce 565 



Hansgirg, A.—Tetraedron 566 



Terry, W. A. — Movements of Diatoms and Oscillaria 566 



Smith, T. F. — Valve of Pleurosigma 566 



Cain, C. H., & E. A. Schpltze — Fossil Marine Diatoms 566 



