8 KEY AND FLORA 
II. Choripetalous Division. Calyx and corolla both present, the petals not united. 
A 
Stamens more than 10. 
FAMILY PAGE 
(1) Trees, shrubs, or woody vines. 
(a) Leaves alternate. 
* Ovary 1, simple. 
Fruitadrupe . .. . . .. . . 46.Rose ... .118 
** Ovary 1, compound; fruit dry. 
Ovary 5-celled, 1-2-seeded at maturity . 64. Linden. . . . 157 
Ovary 3-celled, many-seeded . . . . . 69. Begonia . . . 164 
*** Ovary 1, compound; fruit fleshy . . . 46. Rose . . . 118 
**** Ovaries numerous. 
+ Leaves with stipules. 
Stamens inserted on thereceptacle . . 35. Magnolia. . . 92 
Stamens many, monadelphous . . . 65. Mallow. . . . 158 
Stamens inserted on the calyx . . . 46. Rose « « « 118 
tt Leaves not with stipules. 
Smalltrees . je & . . . 87, Papaw . . . 94 
(b) Leaves opposite ; fruit dry. 
Ovary single, 3-5-celled . . . . . . . 44. Saxifrage. . . 109 
Ovaries several, inclosed by the calyx tube . 36. Calycanthus. . 94 
(2) Herbs. 
(a) Ovary single, simple; fruitaberry . . . . 84. Barberry . . . 91 
(0) Ovaries several, simple. 
Stamens inserted on the receptacle . . . 38. Buttercup. . . 88 
Stamens inserted on theealyx. . . . . 46. Rose... . 118 
(c) Ovary compound. 
Aquatic herbs, leaves flat . . . . . . 382. Water Lily . 82 
Marsh herbs, leavestubular . . . . . 48. Pitcher Plant . 108 
Terrestrial herbs. 
* Ovary 1-celled. 
Placentz central, juice watery . . 80. Purslane . . 76 
Placentz parietal, juice milky or colored 89. Poppy . . . . 96 
Placente 2,parietal . . . . . . 41. Caper. . . . 107 
Placentz 3 or more, parietal. 
Leayesalternate . . . . . . . 42. Mignonette . 108 
Leavesopposite . . . . . . . 66. St. John’s-wort . 160 
Leaves apparently wanting; stems fleshy 70. Cactus. . . . 166 
** Ovary several-celled; stamens monadelphous 65. Mallow. . . . 158 
*#*%* Ovary 3-celled; stamens not much if at all 
monadelphous ; stems fleshy, juice acid . 69. Begonia . . . 164 
