Across
- 2. an elongated cell with tapering ends.
- 7. wing-like extensions of parenchyma around a number of vessels coalesce to form irregular
Down
- 1. vessels are uniformly distributed throughout the growth layer or the annual ring
- 3. secondary xylem is formed from
- 4. in Ephedra the perforations are circular and the perforation plate is called
- 5. protoxylem and metaxylem that emerge from
- 6. responsible for the conduction of water and solutes from the roots
