XVI EXPLANATION OF THE PLATES. 



nified. 50. Back of the whole flower. — 51 . Stuartia pentagyna. 

 52. A petal separate, with part of the stamens, a. Pistils. — 53. 

 Melaleuca thymifolia. 54-. Bundles of stamens. 55. Calyx and 

 pistil. 56. Separate petal. 



Tab. 4>.jig. 57. Picris echioides. 58. Calyx and receptacle of 

 the same. 59. Floret. 60. Seed and it's down. — 61. Carduus 

 nutans. 62. Section of the receptacle, with the young seeds, 

 down, <5rc. 63. Floret.— 64s Floret of the radius of Centaurea 

 Cyanus. 65. Floret of the disk of the same. — 66. Inula dysen- 

 terica. 67. One of it's radiant florets. 68. One of those of the 

 disk, with (a) the anthers and stigma separate. 69. Receptacle. 



a. A portion magnified. — 70. Ophrys apifera. a, a, a. Calyx-leaves. 



b, b. Petals, c. Lip of the nectary. 71 . d. A stalked mass ofpollen, 

 projecting from one of the cells of the anther, e. f. Base of the 

 column, in front of which is the stigma. 72. Mass of pollen se- 

 parate, g. It's glandular, or viscid, base. — 73. Stylidium gramini- 



jblium, Br. Prodr. 568. 74. Germen, calyx, and column, magni- 

 fied. 75, 76. Anthers, with the stigma between them. — 77. 

 Dendrobium linguiforme. a. Lid of the Anther. 78. The same 

 stripped of it's calyx and petals, a. Lid. b. Column. c,c. Stigma. 

 d. Germen. e. Anther stripped of it's lid. 



Tab. 5. jig. 79. Barren and fertile flowers of Carex pulicaris. 

 a. Germen and style separate, b. Ripe fruit. — 80. Quercus Robur. 

 81. Barren flowers magnified, a. Stamen and it's corresponding 

 scale. 82. Fertile flowers magnified. 83. One of them after im- 

 pregnation. 84. Acorn and it's cup. — 85. Salix herbacea, barren 

 plant. 86. One of it's flowers magnified. 87- Fertile plant of 

 the same. a. A flower magnified. &. Nectary. 



Tab. 6. Jig. 88. Populus alba, catkin of barren flowers. 89. A 

 flower, with it's scale, magnified. 90. Fertile flowers. 91. One 

 of them magnified. — 92. Ficus Carica. 93. Section of the same, 

 showing the flowers. 94. Perfect flower. 95. Fertile one. 



