XXX INTRODUCTION TO BOTANY. 



Plate, 69. 50. voaved, (undulate,) when the surface rises and 

 falls in waves, or bluntly ; not in angles : for example, curled 

 pondweed, Cpotamogeton crispus,) idld mignonette, (reseda 

 lutea.) 51. ribbed, (costate, nervose,) when the veins extend 

 in simple lines from the base to the point of the leaf; for 

 example, Solomon's seal, (convallaria multiflora. See Plate, 

 68. 52. siX)ord-sJiaped, (ensiform,) that is, two-edged, taper- 

 ing from the base to the point ; for example, irises. 53. semi- 

 cijlindric, that is, flat on one side, and rounded on the other: 

 semi-coliim7iar, means the same ; for example, broad-leaved 

 garlicJc, (alhum ursjnum.) 54. tubular, that is, hollow. 55. 

 Jleshy, (succulent,) that is, of a thick, pulpy substance ; for 

 example, house-leek, (sedum.) 56. channelled, (caniliculate,) 

 that is, having a deep furrow, from the base to the end of the 

 leaf. See Plate, 70. 57. keeled, (carinate,) when the back 

 is prominent lengthways ; for example, t'mo-jio'joered narcis- 

 sus, (narcissus biflorus.) See Plate, 71. 5Q. furroisced, (sul- 

 fate,) that is, with deep lines running lengthways. 59. slightly 

 Jurro'wed, (striated,) or streaked. 60. ci/lindric, round one 

 way, and long the other : columnar a better term. 61. tongue- 

 shaped, (linguiform,) that is, linear, fleshy, blunt at the end, 

 convex underneath, with usually a skinny border. 



2. Compound Leaves, that is, such as have several leaves to 

 one leaf-stalk : the component leaves are called leaflets ; under 

 compound leaves we have those of 1. two-leaflets, (binate,) 

 that is, a simple leaf-stalk, connecting two leaflets at the top 

 of it. See Plate, 74. 2. of three leaflets, (ternate ;) that is, 

 having three leaflets on one leaf-stalk, for example, tre- 

 foil, strawberry, bramble. See Plate, 75. 3. o^ Jive leajlets, 

 (quinate,) on one stalk ; for example, potentilla reptans. 

 ^!. fingered, (digitate,) when a simple or undivided leaf-stalk 

 connects several distinct leaflets at the end of it. Lin- 

 naeus makes the binate, ternate, and quinate leaves species 

 of the fingered, (digitate ;) the horse-chestnut, is an example 

 of a fingered leaf. See Plate, 73. 5. wing^ed, (pinnate,) 

 that is, where a simple leaf-stalk, has several leaflets fastened 

 to each side of it. Winged (pinnate) leaves are of several 

 kinds. 1. with one pair of leaflets, it is called conjugate. 

 2. with two pair, (bijugate, &c.) 3. unequally xmnged, that 



