KEY 



Stamens as many as the petals. ttamtt.v paob 



Flowers perfect. 

 Stamens 4, alternate with the petals . . . 73. DogWOOd . . . 162 

 Stamens 5, alternate with the petals 54. Sumac .... 137 



Stamens 4-6, opposite the petals ... . 61. Buckthorn . . 143 

 Fruit a herry. 

 Stamens alternate with the petals. * 

 Inserted on the calyx, leaves simple .... 43. Saxifrage . . . 101 

 Inserted on a disk surrounding the ovary, 



leaves compound 71. Ginseng . . . 157 



Stamens opposite the petals 62. Grape or Vine . 145 



Fruit a 2-seeded capsule or*a key. 



Leaves compound 51. Rue 133 



Fruit a 3-5-celled capsule, flowers small, greenish, 



or brown-purple, leaves simple .... 56. Staff Tree . . . 139 



Fruit 5-lohed, the 5 carpels separating when ripe, 

 flowers rather large, white, or of showy colors, 



leaves simple 47. Geranium . . . 129 



Fruit al-3-celled capsule, leaves compound, flowers 



Irregular . . 59. Buckeye . . . 142 



Fruit a3-celled bladdery capsule, leaves compound, 



flowers regular 57. Bladder Nut . . 140 



Fruit a legume 46. Pea or Pulse . 117 



Herbs. 

 Ovary single, 1-celled, simple or compound. 

 Corolla regular, or nearly so. 

 Sepals and petals 4r-5 ; stamens 5, 10, or 12, dis- 

 tinct. 

 Leaves alternate. 



Stigma single 46. Pea or Pulse. . 117 



Stigmas 4 43. Saxifrage ... 101 



Leaves opposite, punctate, flowers yellow . . 65. St. Johnswort . 148 



Leaves opposite, flowers white or red . . . 30, Pink 71 



Sepals and petals 4-5 ; stamens 5, united . . . 67. Passion Plower 151 



Sepals 2, petals 4-5 29. Purslane ... 70 



Sepals 6, stamens hypogynous, opposite the petals 33. Barberry ... 84 

 Corolla irregular. 



Fruit a legume 46. Pea or Pulse. . 117 



Fruit a capsule. 



Stamens 5 66. Violet .... 149 



Stamens 6, in 2 sets 38. Poppy .... 89 



