upper, margin, nearly, length, lateral, border, smooth, numerous, sides, transverse, thick, rounded, larger, covered, dense, oval, pointed, basal, rarely, neck, tube, ribs, produced, pairs, preceding, thickness, distinguished, widely, inches, cartilage, apparently, occur, apical, continuous, gray, curved, Figs, generally, flattened, outline, oblique, disk, narrower, wanting, ridge, rare, angles, figured, elongated