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.
Along with their pretty flowers, most have beautiful foliage. Most geranium plants will produce more flowers if planted in a sunny position. Geraniums will grow in partial shade, but flowering may be reduced. Geraniums prefer well drained soil and are not particular about soil type as long as it is well drained.Geraniums are not heavy users of fertilizer.Apply a light amount of 20-20-20 twice during the growing season.eraniums will grow in partial shade, but flowering may be reduced. Geraniums prefer well drained soil and are not particular about soil type as long as it is well drained. Geraniums are not heavy users of fertilizer. Apply a light amount of 20-20-20 twice during the growing season.