Appressed lying flat for the whole length of the part or organ, 59. Articulate jointed, 45. Auricle outgrowth at the sides close to the ligular region, 11. Awned having an _awn_, that is, a bristle-like appendage, especially on the glumes of grasses. B Bifarious disposed in two rows or ranks on the two sides, 49. Binate in pairs, 53. Blade the expanded portion of a leaf, 2, 10. Bristles stiff hairs, 45. Bulbous based having an inflated base, 66. Bulliform cells thin walled cells occurring, at intervals, on the epidermis of some grasses, 35. Bundle sheath sclerenchymatous cells or fibres found round the vascular bundles of the monocotyledonous type, such as those of grasses, 20. C Callus the projecting part or an extension of the flowering glume below its point of insertion, 168. Caryopsis a one-celled, one-seeded, superior fruit in which the pericarp has fused with the seed-coat. Chartaceous papery, i.e., thin and somewhat rough, 47. Ciliate fringed with hairs, 54. Ciliolate very sparsely fringed with hairs, 70. Clavate club-shaped, 104. Clavellate thickened towards the apex, 252. Coleorhiza the sheath of a monocotyledonous embryo which is pierced by the radicle during germination, 18. Collar the white or colourless band at the base of the blade of a grass leaf just where it joins the sheath, 3. Conduplicate folded together lengthwise, 12. Convolute rolled round from one margin to the other, so that one margin is inside and the other outside, 12. Coriaceous leathery, 49. Corymbosely arranged in corymbs, i.e., flat-topped flower clusters, 56. Crinite bearded with weak, long hairs, 137. Crisped curled, 59. Cuneate wedge-shaped or triangular, 49. Cuspidate tipped with a small triangular piece at the apex, 70. D Decumbent reclining but with the upper part ascending, 80. Digitate lingered, arranged at the end of the stalk, 51. Dioecious having the sexes separated on two distinct individuals, 45. Distichous two-ranked or two-rowed, 19. E Embryo young plant contained in the seed, 18. Endodermis the innermost layer of the cortex abutting on and forming a sheathing layer round the stele, 32. Exodermis the layer or layers of thickened cells beneath the piliferous layer of roots, 32. Extra vaginal applied to shoots or branches that come out piercing the leaf sheath in grasses, 9. F Fascicle a cluster or bundle, 95. Filiform thread shaped, slender and thin, 54. Flexuous bent alternately in opposite directions, 62.