The embryology ofEpipogium roseum (Orchidaceae) Govindappa D. ArekalK. Ananda Karanth OriginalPaper Pages: 1 - 7
Anatomy and evolution in MacaronesianEchium (Boraginaceae) Angela E. Aldridge OriginalPaper Pages: 9 - 22
Consequences of artificial and natural chromosome doubling on DNA, RNA and protein contents inCochlearia (Brassicaceae) P. P. Gupta OriginalPaper Pages: 23 - 27
Vergleichende cytotaxonomische Untersuchungen anRanunculus seguieri und der Artengruppe desR. alpestris (Ranunculaceae) Matthias BaltisbergerMoritz Müller OriginalPaper Pages: 47 - 60
Investigations on the content of steroidal alkaloids and sapogenins withinSolanum sect.Solanum ( = sect.Morella) (Solanaceae) Reinhold Carle OriginalPaper Pages: 61 - 71
Die Perikarpentwicklung geflügelter Klausen aus demParacaryum-Verwandtschaftskreis (Cynoglosseae, Boraginaceae) Hartmut H. Hilger OriginalPaper Pages: 73 - 88
Differentiation of Fraction 1 protein in relation to age and distribution of Angiosperm groups Kevin ChenS. G. Wildman OriginalPaper Pages: 89 - 113
Chlamydomonas chlorococcoides nova spec., eine neue Art mit gelapptem Chloroplast (Volvocales, Chlorophyta) H. EttlK. Schwarz OriginalPaper Pages: 115 - 120
The ultrastructure of the outer cell wall-layer ofChlorella mutants with and without sporopollenin J. BurczykM. Hesse OriginalPaper Pages: 121 - 137
The tubular exine ofLauraceae andHernandiaceae, a novel type of exine structure in seed plants Klaus Kubitzki OriginalPaper Pages: 139 - 146
Aechmea itapoana, a new species from Bahia (Brazil): Taxonomy and ecology Wilfried MorawetzWalter Till Short Communication Pages: 147 - 151
Die Lage des Chromatophors in Beziehung zur Systematik vonCymbella-Arten (Bacillariophyceae) Lothar Geitler Kurze Mitteilung Pages: 153 - 156