Embryogenesis of the pea (Pisum sativum) I. The cytological environment of the developing embryo Nicos G. Marinos OriginalPaper Pages: 261 - 279
An unusual pattern of multiple cell and nuclear fusions in the heterothallic slime moldDidymium iridis I. K. RossR. J. Cummings OriginalPaper Pages: 281 - 294
Struktur, Entwicklung und Abbau von Trichocysten inCryptomonas undHemiselmis (Cryptophyceae) W. Wehrmeyer OriginalPaper Pages: 295 - 315
Elektronenmikroskopische untersuchung der milchröhren vonFicus elastica Georg Heinrich OriginalPaper Pages: 317 - 323
Mitosis and autospore formation in the green algaKirchneriella lunaris J. D. Pickett-Heaps OriginalPaper Pages: 325 - 347
On the mercaptoethanol-induced polyploidization inAllium cepa Walter Nagl OriginalPaper Pages: 349 - 359
Chemische und mikroskopische Untersuchungen über die Ursache des Kotyledonenbruches bei Samen vonPhaseolus vulgaris L. Günter Retzlaff OriginalPaper Pages: 361 - 377
Ultrastructural studies of protostelids: The cyst stage ofCavostelium bisporum Joao S. FurtadoLindsay S. Olive OriginalPaper Pages: 379 - 387
Die Wirkung subletaler Röntgendosen auf das Verdauungssystem kultivierter Hühnerherzmyoblasten Dagmar Neubert-Kirfel OriginalPaper Pages: 389 - 404
Hartmannella: Growth controlling substances in culture medium Andrew Pigon OriginalPaper Pages: 405 - 414
Occurence of microtubules and microfilaments, and origin of septa in dikaryotic hyphae ofSchizophyllum commune Marjatta Raudaskoski OriginalPaper Pages: 415 - 422
Mitosis in the fungusBasidiobolus ranarum as revealed by electron microscopy Kenji Tanaka OriginalPaper Pages: 423 - 440
Localization of naphthol AS-B1 phosphatase activity in lateral and main root meristems of pea and corn Anne E. AshfordMargaret E. McCully OriginalPaper Pages: 441 - 456
An evaluation of the form of vacuoles in thin sections and freeze-etch replicas of root tips B. A. Fineran OriginalPaper Pages: 457 - 478