G ANALYSIS OP POLYPETALOUS ORDERS. 



Stamens twice tlie number of the petals. 

 Fruit capsular. Leaves abruptly pin- 

 nate. 32. ZYGOPIIYLLACEiE, 

 Carpels 5 ; styles cohering around a 

 long axis. 28. Geraniace^. 



II. OVARY INFERIOR, OR COHERENT WITH THE CALYX-TUBE. 

 * Stamens indefinite. 



Fruit a pome ; carpels cartilaginous or bony, 1-3- 



seeded. 'l^- Subord. Pome«. 



Fruit capsular or succulent, many-seeded. 



Capsule '1-5-celled, partly superior. Leaves op- 



posite. 



51. PniLAPELPHACEffi. 



Capsule (or berry) 1-celled, with parietal pla- 

 centae. 

 Sepals and petals numerous, confounded. P2. Cactace;e; 



Sepals 5. Petals 5 or 10, Herbs hispid, with 



rigid or slinging hairs. 57. Loasace^e. 



** Stamens definite. 



Filaments 3-adelphous : anthers long and sinuous.'' 



Fruit a pepo. CO. CucurbitacejE. 



Filaments bent downwards in sestivation : anthers 



opening by 2 pores. 52. Melastomaoe^. 



Filaments distinct : anthers opening longitudinally. 

 Ovary many-seeded. 

 Placentaj 2, parietal. Fruit pulpy. Leaves 



alternate. 61; Grossulace^e. 



Placentaj in the axis. Capsule 2-celled. Petals 



5. Stam. 10. CG. SAxiFRACACEiE. 



Sepals and cells of the ovary 4. Petals 



and stamens 4 or 8. 56. Onagrace^s:. 



Ovary with 1-2 seeds in each cell. 

 Leaves stipulate, opposite. Fruit indehiscent. 54. RHizopHORACEiF. 

 Leaves stipulate, alternate. Capsule loculicidal. 67. Hamamelace*. 

 Leaves exstipulate, alternate. Flowers in um- 

 bels. 

 Styles 2 (rarely 3). Carpels separable. 68, Umbellifer^. 



Styles 3-15 (rarely 2). Carpels mostly 



baccate. 69. Araliace;e. 



Leaves exstipulate, opposite (except one spe- 

 cies of Cornus), or none. 

 Stamens alternate with the petals. Drupe 



baccate, 2-celled. 70. CoHNACEiE: 



Stamens opposite the petals. Fruit fleshy 



1-celled. 71. LoRANTHACEiE. 



Leaves exstipulate, alternate, opposite, or whorl- 

 ed. Flowers not in umbels or cymes. 



Style slender. Seed suspended. Trees. Flow- 

 ers spicate. 55. Combretaceje. 



Style slender. Seeds erect. Flowers race- 



jnoge. 56. Onacrace^. 



Stigmas 1-4, sessile. Seeds suspended. — 

 Aquatics. Flowers sessile. 56. Subord. Halorages:. 



