618 



SYSTEMATIC BOTANY. 



b. Ovarii not lobed. 



1. Cwpels more than three, distinct or combined. 

 Stamens equal in number to the petals and 



opposite them. 

 Stem herbaceous. Style 1. Fruit capsular, 



dehiscent Primulacece. 161. 



Stem woody. Style 1. Fruit fleshy, inde- 



hiscent Myj'sinacece. 159. 



Stem herbaceous, or woody. Styles 5,. 



(rarely 3 or 4), Fruit membranous . . Plumbaginacece. 162. 

 Stamens not opposite the petals if of the same 

 number. 

 Carpels distinct. 



Seeds numerous Crassttlacece. 89. 



Seeds few Anonacece. i. 



Carpels combined. Ovary 2 or more celled. 

 Ovules erect or ascending. 

 Estivation of the corolla plaited. Fruit 



dry Convolvulacece. 151. 



Estivation of the corolla imbricated. 



Fniit fleshy ..... Sapotaceoe. 142. 



Ovules pendulous or suspended, or rarely 

 partly ascending. 

 Stamens twice or four times as many as 



the lobes of the corolla, distinct . Ebenaceoe. 140. 



Stamens equal in number to the lobes 

 of the corolla. Filaments distinct. 



Anthers adnate Aguifoliacece. 141. 



Stamens equal in number to the lobes 

 of the corolla. Filaments distinct. 

 Anthers versatile .... Cordiacece. 150. 

 Part of the ovules sometimes ascending. 



Filaments more or less cohering . Styracacece. 143. 



2. Carpels three, coinbined so as to form a o-celled 

 ovary. 



Stem herbaceous. Disk hypogynous . . Polemoniaceoe. 153. 

 Stem woody. ]So disk Diapensiaceoe. 146. 



3. Carpels ijvo, combined, or more oi-less distinct. 



Stamens 2. 



Corolla 4-cleft Oleacece. 156. 



Corolla more than 4-cleft .... Jasminaceae. 157. 

 Samens 4 or more. Inflorescence scor- 

 pioidal. 

 Fruit capsular, 1 -celled, or imperfectly 



2-celled Hydrophyllaceoe 164. 



Fruit drupaceous. 2 or more celled . . Ehretiacece. 1G6. 

 Stamens 4 or more. Infloi-escence straight. 



Leafless plants. Parasitical . . . Cuscutctcece. 152. 

 Leafy plants. 

 Leaves alternate. 

 Calyx in a broken whorl . . . Convolvulacece. 151. 

 Calyx in a complete whorl. 

 Anthers united to tlie stigma . . Asclepiadacece. 149. 

 Anthers free from the stigma. 

 Placentas parietal .... Gentianaceoe. 148. 

 Placentas axile. 

 Estivation of corolla valvate or 



induplicato-valvate . . . Solanacece. 154. 

 Estivation imbricate or some mo- 

 dification of it . . . . Atropacece. 155. 

 Leaves opposite, whorled, or clustered. 

 Anthers united to the stigma . . Asclepiadacece. 149. 

 Anthers fi-ee from the stigma. 

 Leaves with stipules .... Loganiacece. 145. 



