Photomicroscopy is photography through the lens of a microscope. This may be accomplished either by way of light or flourescent microscopes on one end of the spectrum or by TEM (Transmission Electron Microscopes), or SEM (Scanning Electron Microscopes) on the other end. Outside of the obvious costs differences, the TEM and SEM provide photographs with far better magnification and resolution. Photographing the material is an important method for documentation of the observations made while studying the internal structures. This allows us to go back at a later time and review results and allows others to come behind us and observe the same structure we originally saw. This is especially important in the next stage of the study which is the analysis stage. Here various structures of one specie can be compared to another plant of the same genus and family or two cultivars or hybrids of the same species can be compared to each other.It is through the analysis of simialrities of cell wall thickness, and types of glandular structures etc. that we can identify plants of a given specie beyond a reasonable doubt. The analysis of these internal structures also provide us with an understanding of the various proicesses which are taking place and how these processes may vary between species or genera. It can provide us with an idea of which chemical compounds we can expect to find prior to any chemical analysis. The final reason for documentation via photomicroscopy is to serve as an important visual aid to be used along with other types of material in the instruction and education of our university students. It is with all the above in mind that we will seek to provide photomicrographs of each of the major plant regions from both a longitudinal and cross sectional view. In addition to the photomicrographs of the internal structures, there will also be digital photographs of the external structures. © BOTRESEARCH USA 1998-2008