8 KEY AND FLORA 



II. ChoripetalOUS Division. Calyx and corolla both present, the petals not united. 



Stamens more than 10. 



(1) Trees, shrubs, or woody vines, 

 (a) Leaves alternate. 



* Ovary 1, simple. 



Fruit a drupe 



** Ovary 1, compound ; fruit dry. 



Ovary 5-celled, 1-2-seeded at maturity . 



Ovary 3-celled, many-seeded 



*** Ovary 1, compound; fruit fleshy . . . . 

 **** Ovaries numerous. 



t Leaves with stipules. 



Stamens inserted ou the receptacle . 

 Stamens many, monadelphous 

 Stamens inserted on the calyx 

 tt Leaves not with stipules. 



Small trees 



(fc) Leaves opposite ; fruit dry. 



Ovary single, 3-5-celled 



Ovaries several, inclosed by the calyx tube 



(2) Herbs. 



(a) Ovary single, simple ; fruit a berry .... 



(b) Ovaries several, simple. 



Stamens inserted on the receptacle 

 Stamens inserted on the calyx 



(c) Ovary compound. 



Aquatic herbs, leaves flat 



Marsh herbs, leaves tubular 



Terrestrial herbs. 

 * Ovary 1-celled. 



Placentae central, juice watery 

 Placentae parietal, juice milky or colored 



Placentae 2, parietal 



Placentae 3 or more, parietal. 



Leaves alternate 



Leaves opposite 



Leaves apparently wanting; stems fleshy 



* * Ovary several-celled ; stamens monadelphous 

 •** Ovary 3-celled; stamens not much if at all 



monadelphous ; stems fleshy, juice acid . 



Family 



46. Rose . 



64. Linden . 

 69. Begonia 

 46. Rose . 



35. Magnolia 

 65. Mallow . 

 46. Rose . 



37. Papaw . 



44. Saxifrage . 

 36. Calycanthus 



34. Barberry . 



33. Buttercup . 

 46. Rose . . 



32. Water Lily . 

 43. Pitcher Plant 



30. Purslane 

 39. Poppy . 

 41. Caper . 



42. Mignonette . 

 66. St. John's-wort 

 70. Cactus . . . 

 65. Mallow . . . 



69. Begonia . . 



Page 



113 



157 

 164 

 113 



92 

 158 

 113 



94 



109 

 94 



91 



83 

 113 



82 

 108 



76 



96 



107 



108 

 160 

 166 

 158 



164 



