328 MANUAL OF BOTANY 



tube of the calyx in two whorls, the outer of which is sometimes 

 sterile ; anthers 1-celled. Ovary stalked, superior, 1-celled, with 

 3 parietal placentas. Fruit long, pod-shaped, capsular, 1-celled, 

 3-valved, with loculicidal dehiscence. Seeds numerous, without 

 albumen. 



Distribution and NuTnhers. — Natives of the East Indies and 

 Arabia. There is only one genus (Moringa, Burm.) and 4 

 species. 



FrojyeTties and Uses. — Pungent and slightly aromatic pro- 

 perties more or less prevail in plants of the order ; hence they 

 have been employed as stimulants. 



Artificial Analysis of the Orders in the Sub-class 



Series 2. DisciFLOKiE. 

 1. Flowers with more than 20 stamens. 



Carpels more or less distinct (at least as to the 

 styles), or solitary, superior or partially 

 inferior. Stamens perigynous . A)iaca7'diacecB. 



Carpels wholly combined (at least as to the 



ovaries), superior. Stamens hypogy nous . Humiriace<^. 



2, Flowers with less than 20 stamens. 



A. Leaves generally without stiptdes. 



a. Carpels vwre or less distinct, or soUtarij. 

 Leaves without dots. 



Albumen abundant Zygophyllaceee. 



Albumen absent Anacardiacecs. 



Leaves dotted . Burseracece. 



b. Carpels wholly covibined [at least as to their 



ovaries). 

 Styles distinct to the base. 

 Calyx valvate . . . Vivianiacece. 



Calyx imbricate Linace^. 



Styles more or less combined. 



Calyx valvate or united, or but very slightly 

 imbricate. 

 Stam^ens hypogynous. 



Calyx generally enlarging with the h'uit Olacacecs. 

 Calyx not enlarging with the fruit. 

 Stamens opposite to the petals, iso- 



merous Bhamnacece. 



Stamens alternate with the petals, 

 isomerous. 

 Leaves compound Burseracees. 



Leaves simple . Icacinacece. 



