Which one of the following is a vascular cryptogam?

Explanation

(d) : Pteridophytes are known as vascular cryptogams (Gk Kryptos = hidden + gamos= wedded). They reproduce by spores rather than seeds.They are the first vascular land plant. The pteridophyte Equisetum belongs to the Class Sphenophtya. All vegetative parts of itpossess vascular tissues (i.e. hadsone equivalent to xylem and leptosome equivalent to phloem) organized in definite groups of steles.