1 "Leaves linear lanceolate, mostly about 10:1, keeled but not strongly conduplicate with the tristichous character thus somewhat obscure; all leaves with costa long excurrent" "Dichelyma uncinatum" 1 "Leaves lanceolate, 4-6:1, so keeled and conduplicate as to appear clearly tristichous; costa on at least some leaves in a clone percurrent to very shortly excurrent" "Dichelyma falcatum"