VI KliY TO NATUJtAL ORDERS. 



i3B. Rhtznphoracece. — Trees or shrubs. Leaves opposite, coriaceous. 

 Stipules deciduous. Flowers regular. Petals usually fringed. »Stainena 

 twice as maiij as petals or more. Ovary usually inl'erior. 



39. Gombretaccce. — Ti-ees or shrubs. Leaves simple, alternate or 

 opposite. No stipules. Ovary inferior 1 -celled. Fruit winged or 

 angled, l-seeded. Albumen 0. 



40. Mjjriacece, — Trees or shrubs. Leaves usually opposite, translu- 

 cent, glandular-dotted, entire. Stamens indefinite. Ovary inferior, with 

 axile placcntation. 



41. Mdadomaciuii. — Herbs or shrubs. Leaves opposite, entire, with- 

 out stipules. Petals twisted in bud. .Stamens 10 or fewer, perigynous. 

 Anthers opening at the apex with pores or slits. Ovary inferior. Seeds 

 exaibuminous. 



42. Lythracece. — Trees, shrubs or herbs. Leaves simple, opposite or 

 alternate. No stipules. Calyx free, lobes vaivate in bud. Stamens definite 

 or indefinite ; anthers dehiscing longitudinally. Fruit a capsule. Seeds 

 exaibuminous. 



43. Satnydacece. — Trees or shrubs. Leaves alternate, distichous. 

 Stipules deciduous. Flowers regular. Stamens definite or indefinite. 

 Ovary free. Fruit a 1-celled capsule. Albumen fleyhy. 



44. JDatiscacem. — Trees rarely herbs. Loaves alternate. Stipules 0. 

 Flowers unisexual, petals often absent. Ovary inferior often open at the 

 apex. Placcntus and styles as many as calyx-lobes. Seeds numerous, 

 minute. 



45. CacleoB. — Shrubs or herbs, with succulent stems and minute 

 leaves. Flowers large bisexual. Stamens indefinite. Fruit fleshy. 



46. Araliacecc. — Trees, shrubs or herbs. Leaves alternate, simple or 

 compound. Flowers umbellate or capitate, petals caducous. Ovary 

 inferior. 



47. Cornacccn. — Trees or shrubs. Leaves entire, usually opposite. 

 Stipules 0. Flowers regular. Ovary inferior. Fruit succulent, 2-celled. 

 Albumen fieshy. 



Sun-Cr.Ass IL GAMOPETAL.ai. 



Calyx and and corolla present. Petals united (gamopetalous). 

 A. Ovary inferior (perigynous gamopetalat). 



48. C'uprlfoliaccoe. — Shrubs or herbs, often climbing, rarely trees. 

 Leaves opposite, simple or pinnate. Flowers regular or irregular. Fruit 

 a berry or drupe 



49. JlubiaccoB. — Trees, shrubs or herbs. Leaves opposite. Stipules 

 free or connate. Flowers usually regulnr. Stamens as many as corolla- 

 lobes, alternating with them. Ovary 2 or more celled. Cells 2 or many 

 ovuled. Albumen fleshy or horny. 



50. Composilce — Herbs, shrubs, rarely trees. Leaves alternate or 

 opposite. Flowers in involucratc heads. Anthers united in a tube round 



