464 



CXII. TETEAGONIE^. 



CXII. TETRAGONIE^ Fenzl 



Telrayonia. 

 Upper half of pistil (mag.). 



Tttragonia. 

 Ovule (mag.). 



Vertical section of pistil (mag.). 



Titrayonia fruticota. 



Tetraijtniia. 

 Seed cut vertically (mag.). 



Trlragonia. 

 Embryo (mag.). 



Herbaceous, annual, or suffrutescent PLANTS, diffuse, succulent, glabrous or 

 velvety. LEAVES alternate or sub-opposite, flat, fleshy, usually entire. FLOWERS g, 

 regular, axillary or leaf-opposed, solitary or agglomerated, sometimes in a spike or 

 raceme. CALYX superior, 3-5-lobed, fleshy, coloured within, induplicate-valvate in 

 bud. COROLLA 0. STAMENS epigynous, l-5-oo , solitary, or aggregated between 

 the calycinal lobes; filaments filiform-subulate; anthers 2-celled, didymous, cells 

 oblong, separated at the base and top, opening longitudinally. OVARY inferior, 

 3-5- (sometimes 8-9-) celled, or 1-2-celled by arrest ; styles as many as the cells, 

 short, stigmatiferous on their inner edge ; ovules solitary in each cell, pendulous by 

 a short funicle from the top of the inner angle, semi-anatropous, micropyle superior, 

 raphe dorsal. DRUPE or angular NUT crowned by the accrescent calyx, which is often 

 dilated into horns or longitudinal wings ; crown of pericarp naked and marked with 



1 See Tribe I. of Ficoidf<e, p. 461. Eu. 



