Why Bryophytes are called non-vascular cryptogams and as ?

Vascular cryptogams are

Vascular cryptogams are

Vascular cryptogams are

Vascular cryptogams are

Why pteriodophytes are called vascular cryptogams?

Why are bryophtes called non-vascular cryuptogams?

Assertion (A) : Bryophytes are called 'Non-vascular cryptogams. Reason (R ) : Bryophytes lack vascular tissue.