DICOTYLEDOXES— COROLLIFLOR^ 



405 



Stigma shaped like an hour-glass. 



^Estivation of corolla contorted . 

 Stigma not contracted in the middle 

 like an hour-glass. 

 Estivation of corolla imbricate, 



placentas parietal 

 Estivation of corolla valvate, 

 placentas axile .... 



4. Carpel solitary. 



Stamens opposite the lobes of the corolla or 

 petals ....... 



Stamens alternate to the lobes of the corolla. 



Fruit 1-celled. Stigma sessile . . , 



Fruit spuriously 2-celled or rarely i-celled. 



Style capillary ..... 



B. Flowers irregular. 



a. Ovary i-lobed ....... 



b. Ovary not lohed. 



1. Carjjel solitary 



2. Carpels two. 



Fruit hard or nut-like. 



Anthers 1-celled ...... 



Anthers 2-celled. Ovules erect. 

 Corolla imbricate in aestivation 

 Corolla valvate in aestivation . 

 Anthers 2-celled. Ovules pendulous 

 Fruit capsular or succulent. 

 Placentas parietal. 



Leafless scaly, brown, root-parasites 

 Leafy plants. Seeds with wings . 

 Leafy plants. Seeds without wings. 

 Fruit a capsule or baccate. Cotyledons 



minute, radicle long 

 Fruit bony or a capsule. Cotyledons 



large, radicle short 

 Fruit woody with a pulpy interior. 

 Cotyledons large, radicle short . 

 Placentas axile. 



Seeds without wings. 

 Albuminous ...... 



Exalbuminous. Seeds attached to 

 hard placental processes 

 Seeds winged. Exalbuminous 

 Placentas free central .... 



Aj)ocy)iacece. 



Gentianacece. 

 Stilbacece. 



Plumhaginacece. 



Salvadoracece. 



Plantaginace<£. 



Labiatce. 

 SelaginacecE. 



Selaginacece. 



Verbe)iacece. 



Stilbacece. 



Myoporacece. 



Orobanchacece. 

 JBignoniacece. 



Gesneracece. 

 Pedaliacece. 

 CrescentiacecB. 



Scrophu la riacece. 



AcanthacecB. 



Bigno)iiacece. 



Lentibiilariacece. 



There are many exceptions to the characters above given of the Gamo- 

 I)etal8e or Corolliflora?. Thus, among the Inferte or Epigynae we sometimes 

 find polypetalous corollas in Caprifoliacece and Lobeliacece, and the ovary 



