Studies of the mycoplasma-like organism (MLO) in spinach leaves affected by the aster yellows disease K. EsauA. C. MagyarosyV. Breazeale OriginalPaper Pages: 189 - 203
Variations ultrastructurales de l'appareil de Golgi chez laCystoseira stricta Sauvageau (Phéophycée, Fucale) Liliane Pellegrini OriginalPaper Pages: 205 - 228
The cytological responses of tomato-seedling cotyledons to chilling and the influence of membrane modifications upon these responses Reinfriede IlkerAlan J. WaringR. W. Breidenbach OriginalPaper Pages: 229 - 252
Prolamellar body transformation with increasing cell age in the maize leaf N. RascioM. OrsenigoD. Arboit OriginalPaper Pages: 253 - 263
Ein transplantierbarer embryogener Callus aus Nucellusgewebe vonCynanchum vincetoxicum und die Rolle globulärer Vorstadien in der Entwicklungsgeschichte nicht-zygotischer Embryonen B. HacciusG. Hausner OriginalPaper Pages: 265 - 282
Étude cytologique et cytochimique de l'extrémité des cordons corticaux duViscum album. Mise en évidence d'une sécrétion mucilagineuse Georges Sallé OriginalPaper Pages: 283 - 295
Development of crystalline inclusions (“ergosterol crystals”) inNeurospora crassa Edward D. Allen OriginalPaper Pages: 297 - 306
A new model for cellulose architecture in some plant cell walls A. C. NevilleD. C. GubbR. M. Crawford OriginalPaper Pages: 307 - 317
Ultrastructural differences between larval and pupal cuticles ofPieris brassicae (lepidoptera) Inge Kayser-Wegmann OriginalPaper Pages: 319 - 331
Structure and function in the ligule ofSelaginella kraussiana 3. The uptake of tritiated glucose D. C. Sigee OriginalPaper Pages: 333 - 341
Meiosis in the basidiomycetous fungus,Coprinus atramentarius K. GullR. J. Newsam OriginalPaper Pages: 343 - 352
Steuerung des Wachstums und der Morphogenese von Zellkulturen ausCrepis capillaris durch Licht und Phytohormone W. HüsemannJ. Reinert OriginalPaper Pages: 353 - 367
Golgi apparatus secretion in plasmolyzedPisum sativum L. David G. RobinsonW. R. Cummins OriginalPaper Pages: 369 - 379
The relationship of the dispersion phase of chromocentric nuclei in the mitotic cycle to DNA synthesis Peter W. Barlow OriginalPaper Pages: 381 - 392
Ca++ controlled contraction-relaxation cycle in glycerinated amoeboid cells M. OpasR. Rinaldi Brief Report Pages: 393 - 397
Scanning electron microscopy of barley protoplasts Bronwyn G. HughesFred G. WhiteMarvin A. Smith Brief Report Pages: 399 - 405