182 Key to the System of 



K.OCHXA. 



872. Horizontal margin of fruit-calyx lobed or denticulated 



or ciliolated ... ... ... ... ... ... 873 



Horizontal margin of fruit-calyx without any lobes or 

 denticles or cilioles ... ... ... ... ... 878 



873. Margin of fruit-calyx ciliolated or indurate-denticulated 874 



Margin of fruit-calyx broadly membranous, deeply 

 five-lobed 876 



874. Margin of fruit-calyx conspicuously ciliolated. 



Erect, somewhat shrubby, beset with short hairlets ; leaves 

 flat, lanceolar-linear ; fruit-calyx much depressed, ex- 

 panded into a hard horizontal lobeless margin. 



X. ciliata. 



Margin of fruit-calyx denticulated ... ... ... 875 



875. Margin of fruit-calyx with five denticles. 



Prostrate, hardly shrubby, beset with scattered rather long 

 and soft hairlets ; leaves almost flat ; fruit-calyx small, 

 somewhat indurated, longitudinally five -lined. 



K. br achy pt era. 



Margin of fruit-calyx with about ten denticles. 



Hardly shrubby, mostly beset with short hairlets ; leaves 

 very short; fruit-calyx small, somewhat indurated, without 

 any decurrent lines. X. stelligera. 



876. Leaves mostly opposite. 



Shrubby, erect, rather dwarf, often beset with short and 

 shining hairlets ; leaves very short, from lanceolar- to 

 ovate-triangular ; fruit-calyx expanded into five broad 

 horizontal membranous lobes. X. oppositifolia. 



Leaves scattered or irregularly crowded ... ... 877 



877. Expanding membranes of the fruit-calyx almost or 



quite glabrous. 



Shrubby, erect, somewhat beset with short hairlets ; leaves 

 very short ; appendages at the orifice of the calyx none. 



X. brevifolia. 



