184 Key to the System of 



SALSOLA. 



883. .Annual. 



Leaves scattered or near the flowers crowded, short, 

 sessile, cylindrical, spinescent ; flowers axillary, sessile ; 

 membranous appendages of the fruit-bearing calyx dis- 

 connected, dilated ; seed placed horizontally. S. Kali. 



STJAEDA. 



884. Seed placed horizontally. 



Herbaceous, glabrous ; leaves numerous, succulent, almost 

 semicylindrical, short ; flowers very small, sessile, two or 

 few together, axillary, seldom solitary. S. niaritima, 



ENCHYZiAENA. 



885. Fruit-bearing calyx red or yellow. 



Prostrate or diffuse, generally beset with short hairlets ; 

 leaves scattered, short, somewhat succulent ; flowers 

 sessile, axillary, solitary ; stamens five ; seed placed 

 horizontally. ' E. tomentosa. 



THREIiK.EX.DXA. 



886. Fruit-bearing calyx dark-purplish. 



Prostrate or diffuse, always glabrous ; leaves scattered, 

 short, somewhat succulent ; flowers sessile, axillary, 

 solitary ; stamens three ; seed placed vertically. 



T. diffusa. 



FRANKENIACEAE. 



FRAN KEN I A. 



887. Somewhat shrubby. 



Leaves small, from ovate- to linear-lanceolar or almost 

 linear, usually recurved at the margin ; flowers small, 

 scattered or forming a leafy cyme ; petals pink or some- 

 times white ; fruit enclosed. F. la e vis. 



FXVUB 



STATIC!:. 



888. Petals yellow. 



Perennial, glabrous herb ; leaves firm, large, all basal, 

 obovate- or elliptic-spatular ; flowers in unilateral pani- 

 culated spikes ; calyces upwards dilated and somewhat 

 folded, acutely denticulated ; petals disconnected, soon 

 enc osed. Figure 30. S. Taxanthema. 



