RUT ACE JE. 



431 



imbricated calyx, with five deep divisions, and five alternate petals, 

 with cncullate apex, and valvate-induplicate in the bud. The sta- 

 mens are free and hypogynous, with naked filaments, and two-celled, 



Nitraria Sclioberi. 



Fig. 519, 

 Fruit (f). 



Fig. 515, 



Floriferous branch. 



Fig. 520. 



Long. sect, of fruit. 



introrse anthers, dehiscing by two longitudinal clefts. Very rarely 

 there are but five of them alternipetalous ; generally they are 

 deduplicate, and each alternate stamen may be accompanied by 



Nitraria Schoberi. 



talf 



Fig. 516. 

 Flower (£). 



Fig. 517. 

 Diagram. 



Fig. 518. 

 Long. sect, of flower. 



two lateral stamens more exterior, which seem oppositipetalous 

 (fig. 517). When some of these latter are wanting, from six to four- 

 teen may be counted. The gynseceum is superior, formed of ovary 

 often three-celled, surmounted by a short style, with stigmatiferous 

 apex divided into as many small lobes as there are cells. In the 

 internal angle of these a placenta is seen supporting a descending 

 ovule, with superior and interior micropyle. The fruit (figs. 519, 

 520) is an elongated drupe tapering at the apex, accompanied at the 



