Check the Weather in Israel in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall. The Israel january weather guide shown below is for Jerusalem. 1  13Â°C max day temperature.
Xylem cells are elongated cells with lignified secondary thickening of the cell walls. Xylem cells are specialised for conduction of water, and first appeared in plants during their transition to land in the Silurian period more than 425 million years ago (see Cooksonia). The possession of xylem defines the vascular plants or Tracheophytes.
Xylem vessel. Xylem vessels are long hollow chains of tough long dead xylem cells. Xylem tissue is the water transporter cells of plants. It carries water around a plant. The presence of vessels is a characteristic feature of flowering plants. Structure. Xylem vessels are a long straight chain made of tough long dead cells known as vessel elements. The vessel have no cytoplasm. They are not living, but are made by living cells.