An Act to regulate in detail the protection of plant varieties. It defines at the outset the various terms therein employed, such as "variety", "species", "related species", "marketing", "convention country", "country of the Union", etc. Article 2 lists the species for which protection can be requested; for example, for wheat (triticum durum); for barley (hordeum vulgare); for oat (avena sativa); for potatoes (solanum tuberosum); for vine (vitis sp.), etc. Protection is granted by the Office for