XXV. FEANKENIACE^E. 



253 



Frankenia. 

 Flower cut vertically (mag.). 



Frankenia. 



Seed, entire and cut transversely 

 (mag.). 



Frankenia. 



Transverse section of 



ovary (mag.). 



Frankenia. 

 Andrcecium and pistil (mag.). 



Frankenia. Frankenia. 



Valve of fruit (ruag.). Dehiscent capsule (mag.). 



ascending. CAPSULE included in the calyx-tube, valves 3-4, placentiferous in their 

 lower half. SEEDS ascending, ovoid; testa crustaceous; raphe linear; chalaza apical. 

 EMBRYO straight, in the .axis of a floury albumen ; cotyledons ovoid-oblong ; radicle 



very short, inferior. 



ONLY GENUS. 



Frankenia. 



This small family is closely allied to the tribe Silcneec of Caryophyllece, tut is distinguished by the ex- 

 trorse anthers, parietal placentation, seed with sub-terminal hilum, and straight embryo. It also approaches 

 Tamarisdnece in hypopetalism, one-celled ovary, parietal placentation, ascending anatropous ovules, capsule- 

 valves seminiferous towards the base, and straight embryo j but Tamariscineee differ in their nearly free 

 imbricate sepals, introrse anthers, exalbjyminous seed, alternate leaves, and spiked inflorescence. 



Frankeniacece inhabit extra-tropical maritime shores, and principally the Mediterranean and Atlantic, 



