A bicollateral vascular bundle has the following arrangement of tissues.
Outer Phloem - Outer Xylem - Middle Cambium - Inner Xylem - Inner Phloem.
Outer Xylem - Outer Cambium - Middle Phloem - Inner Cambium - Inner Xylem.
Outer Phloem - Outer Cambium - Middle Xylem - Inner Cambium - Inner Phloem.
Outer Cambium - Outer Phloem - Middle Xylem - Inner Phloem - Inner Cambium.