﻿100 ' MISSOURI BOTANICAL GARDEN. 



assumed the color of the sepals, even though not the form, ' 

 they would likewise have acquired other characters which 

 particularly distinguish the sepals. 



The normal petal of Omlis stricta is yellow and obovate, 

 with a more or less undulate margin. It is frequently slightly 

 notched at the top. The vascular bundles branch and spread 



1. NORMAL PETAL, NEAR TIP, X 400. 



like the sticks of a fan, adapting themselves to the outline of 

 the petal. The exterior surface, seen under a low power, 

 shows nothing but the distribution of the vascular bundles 

 and the presence of a few hail's near the tip. These hairs, on 

 greater magnification, arc shown to be of two kinds, the one 



