LIST OF ILLUSTRATIONS. 



FIG. PAGE 



37. Fuchsia, showing parts of a flower. Re. receptacle, Ca. 



calyx, Co. corolla, Sta. stamens, Pi. pistil, . -33 



38. Cowslip, showing Calyx and Corolla, . . -34 



39. Stamen of Crocus, . . 34 



40. Pollen grains, . . . . 35 



41. Pistil. Stg. stigma, Sty. style, Ov. ovary, . . -35 



42. Pistil, section. Oie. ovules, . . . . -35 



43. Ovary of Primrose, cross and vertical sections, . . 35 



44. Pollen grain (pg) and tube (pt), . . . -35 



45. Stigmas of (a) Wheat and (b) Hop. (After Axell), . 38 



46. Stigmas of (a) Primrose, (b) Heath, . . . 38 



47. Section of Arum maculatum, . . .- .41 



48. Pink with anthers. (After Lubbock), . . .42 



49. Pink with stigmas. (After Lubbock), ., . ' ,. . - 42 



50. Pansy, section, . . . ... 43 



51. Stigmas of Geranium pratense, '. . .- . . . 45 



52. Lupinus heterophyllus, . . . . .46 



53. Lupinus heterophyllus, . . . * . . 46 



54. Lupinus heterophyllus, . . . , . 46 



55. Lupinus heterophyllus, . ... . . .46 



56. Primrose, long-styled form, . .'"',. . .48 



57. Primrose, short-styled form, . . . . .48 



58. Feverfew (Chrysanthemum par thenium), a single floret, . 50 



59. Feverfew (Chrysanthemum parthenium), section of ring of 



anthers, . . . . . . -5 



60. Feverfew (Chrysanthemum parthenium}, mature stigmas, . 50 



61. Campanula. (After Lubbock), . .''".' . . 51 



62. Campanula, . . . . . ... 51 



63. Campanula, . . ... . , 51 



64. Orchis maculata, enlarged, . . '.' ' . . 52 



65. Orchis maculata, Column, . . . -53 



66. Orchis maculata, Pollinia, . . . . -53 



67. Orchis mactdata, section with Bee. (After Hooker), . 53 



68. Bees with Pollinia. (After Hooker), . . -53 



69. Iris pseudacorus, the Flag, . . . 55 



70. Iris pseudacoms, . . . . . -55 



71. Iris pseudacorus, . . -. . , . -55 



72. Dionaa muscipula, Venus's Fly-trap, . . .60 



73. Drosera rotundifolia, Round-leaved Sundew, . . 62 



74. Drosera rotundifolia, leaf, . . . . -63 



75. Pinguicula vulgaris, the Butterwort, . . .64 



76. Cereus, a Cactus, .... '. . 69 



77. Opuntia, the Indian Fig, or Prickly Pear, . . . 71 



78. Echinocactus msnaga, the Toothpick Cactus, . Frontispiece 



79. Nepenthes distillatoria, a pitcher- plant, . . . 73 



80. Nepenthes Chelsoni, a pitcher-plant, . ; ' . . 74 



81. Darlingtonia californica, a pitcher-plant, . '.. -i . 76 



82. Sarracenia flava, the Huntsman's Horn, . ; -77 



83. Cephalotus follicularis, the Australian pitcher-plant, . 78 



84. Heliamphora nutans, . . . . -78 



