VI DESCRIPTION OF CUTS. 



47. Section of same 33 



48. Cross section of Crab- Apple 34 



49. Compound umbel of Wa,ter-Parsnip 85 



60. Single flower of same 36 



61. Section of pistil of same 35 



52. S action of flower of Dandelion 37 



5."{. Siii<,'le floret of Dandelion 37 



64. Ligulate corolla of same with epipetalous stamens .... 37 

 55. Syngenesious stamens of Dandelion 3f^ 



66. Pappose seed of same 38 



67. Single flower of Catnip 39 



58. Front view of same, showing didj'namous stamens .... 39 



59. Pistil of same 39 



60. CarpeJa of same 40 



61. Pertriejflower of Cucumber 41 



62. Sterile ftower of same 41 



63. Sterile catkin of Willow 43 



61. Fertile catkin of same 43 



65. Single staminate flower of same 43 



66. Single fertile flower of same 44 



67. Pumpkin seed 45 



68. Same showing cotyledons -15 



69. Same showing plumule 45 



70. Bean showing cotyledons and radicle 46 



71. Same showing plumule 46 



72. Dog's-tooth VioK't 47 



73. Pistil of same 49 



74. Section of ovary 49 



75. Trillium 50 



76. Section of ovary of same 50 



77. Net-veined leaf of same 50 



78. Indian Turnip 51 



79. Spathe of same 52 



80. Fertile spadix of same 52 



81. Sterile spadix (f same 52 



82. Spadix and spathe of Calla 54 



83. Ijen f of same 54 



81. Perfect flower of same 55 



85. Showy Orchis 56 



86. Single flower of same 56 



87 . Pollen-mass at same 57 



88. Single floweir of Timothy 58 



89. Same opened to show parts 58 



90. Section of a grain of Indian Corn ... 60 



91. Embryo of same 60 



92. Section of embryo 60 



9^. Tap-root of Dandelion 63 



94. Tap-root of Carrot 64 



95. Fascicled roots of Peony 64 



96. Secondary roots of Verbena , . . . , 64 



