Assertion: rib | /r/CapableOf | bear vertical row of leaf-scars
Facets:
Source sentences:
text: In one great division of the genus - the Eusigillariae - the stems are ribbed, each rib bearing a vertical row of leaf-scars; the ribbed Sigillariae were formerly divided into two sub-genera - Rhytidolepis, (From a drawing by Mrs D.