294 EXPLANATION OF 



three-lobed leaf. 40. A parted leaf with incised 

 segments. 41. A pinnatafid leaf. 42. The leaves of 

 wood- sorrel are ternate and obcordate. 43. A pinnate 

 leaf of the Sensitive plant. 44. Interruptedly pin- 

 nate. 45. Verticillate. 46. Pedate. 



Plate IV. Fig. 47. Represents a repand leaf. 48 

 The truncate leaf of the Tulip tree. 49. A ciliate 

 leaf. 50. A doubly compound leaf. 51. A bi-tubular 

 leaf. 52. A flower-bearing l^af. 53. The leaf of Sar- 

 racenia^purpurea. 54. The leaf of Nepenthes distilla- 

 toria. 55. The leaf of Dioncea muscipula. 5G. The 

 linear leaf of grasses with a stipule arising from the 

 summit of its sheath. 57. and 5e. exhibit the cortical 

 net ofle ves. 59. Glands on the fruit of the Rose. 

 60. The leaf of the common Nettle, covered with 

 stings. 61 The flower of Atractylis defended by 

 thorns. 



Plate V. Fig. 62. Represents an umbel. 63. A 

 cyme. 64. A corymb. 65. A spike. 66. A raceme. 

 67. A head. 68. A whirl. 69. A panicle. 70. A 

 spikelet, 6, theinvolucellate filaments which surround 

 the germen in many of the Cyperoidece. 71. A Catkin. 

 72. A Cone, a represents the scales so dissected as to 

 exhibit the fructification within. 73. A compound 

 flower with an imbricate calyx and tubular florets. 

 74. The involu-ellate filaments of Scirpus. 75. The 

 «ame organs in Schamus. 



Plate VI. Fig. 76. Represents a monapetalous 

 flower with a trumpet-shaped corolla, and a b 11 shaped 

 Calyx. 77. A nakeH flower of the Lily, with 6 petals, 

 6 stamens and one pistil. 78. The same flower with 

 the petals removed ; ana are the anthers ; b the stigma. 

 79. A papilionaceous flower. 80. The stamens and 

 pistils of the same, the latter with a plumose or bearded 

 stigma. 81. A labiate flower. 82. A flower of 

 Asrro-tis with a valvular calyx, forked anthers, and plu- 

 mose stigmas. 83. A flower of the Oat, with a spiral 

 awn attached to the interior valves or corolla. 84. 

 A double -*alvx. 85. Pamassia with its nectaries 

 terminating in* filaments and tipped with globose sum- 

 mits. 86. A nectary of Pamassia palustris. 87. The 

 nectary or lepanihium of Asclepias. 88. Nectaries 

 ef Jlconitum. 89. A three celled capsule. 90. A 

 Samara or winged monospermous capsule. 9 1 . A ber- 



