John Miers collected close to Rio de Janeiro a curious, achlorophyllous, almost leafless plant, with a slender, rarely branched stem, bearing a terminal bifurcate, cincinnous (scorpioid cyme) inflorescence (Miers 1841). This specimen is mentioned in an unpublished manuscript by Miers as 'Dict-yostegia orobanchoides', but was first published as Apteria… (More)
The serious problem of extended tissue thickness in the analysis of plant–fungus associations was overcome using a new method that combines physical and optical sectioning of the resin-embedded sample by microtomy and confocal microscopy. Improved tissue infiltration of the fungal-specific, high molecular weight fluorescent probe wheat germ agglutinin… (More)
The novel semiconductor material Ga(AsBi) is investigated by the time-resolved photoluminescence as function of lattice temperature, excitation density, and excitation energy. Disorder and localization effects are found to strongly influence the spectra and the dynamics.