An ordinary Petri net is a bipartite directed graph composedof places, drawn as circles, and transitions, drawn as bars. A formal denitionfollows [3]:Denition 2.1 An ordinary Petri Net (PN) is a 5-tuplePN = (P;T;I ;I + ;M 0) where:1. P = fp 1 ;p 2 ;:::;p n gis a nite and non-empty set of places,2.
The Colors of Geraniums. Geraniums come in a host of colors, from the traditional white, red and pink to the more exotic orange and purple. Geraniums (Pelargonium spp.) are popular garden favorites that can be cultivated throughout all the USDA hardiness zones as annuals or year-round as indoor plants.
Step 2. Pot the geraniums in clean pots filled with potting soil. When you are potting your geraniums check the plant and leaves, both top and bottom, for insects. If insects are detected, treat the geranium with an appropriate insecticide to rid it of the pests before moving it indoors.umidity is essential for your dormant geraniums to survive over the winter. Too dry an environment will kill your dormant geraniums. If you see your geraniums have dried, soak them for two or three hours in a bucket or sink of water, then return them to their bags.