186 Key to the System of 



896. Calyx and corolla mostly five-lobed; seed-appendage 



absent - ... 897 



Calyx and corolla mostly four-lobed ; seed-appendage 

 present 



897. Phyllodia from linear- to narrow-lanceolar, slightly 



curved, at the base narrowed. 



Alpine, tall shrub; phyllodia short, almost equilateral; 

 stipules present; headlets of flowers solitary or two 

 together, short-stalked ; fruit strongly compressed, nearly 

 straight, linear-elliptical ; seeds placed transversely. 



A. siculiformis. 



Phyllodia quadrangular-linear, subulate, straight, with 

 broad base sessile. 



Shrub, low and spreading ; phyllodia short ; headlets of 

 flowers solitary, their stalks about as long as the phyllodia 

 or longer ; stipules present ; fruit broad-linear ; seeds 

 placed longitudinally, black and somewhat mottled, with- 

 out any lustre. A. juniperina. 



898. Phyllodia dilated near and at the base. 



Dwarf shrub ; phyllodia flat, subulate-linear ; stipules 

 obliterated; headlets of flowers solitary, their stalks 

 about as long as the phyllodia or shorter ; fruit broad- 

 linear ; arillar seed-appendage ample, bilobed, pale. 



A. rupicola. 



Phyllodia narrow also near and at the base ... 899 



899. Phyllodia quadrangulate-acicular. 



Shrub, mostly prostrate ; phyllodia short, sessile, spreading 

 or reversed ; stipules minute ; headlets of flowers solitary 

 or two together, their stalks about as long as the phyllodia 

 or longer ; sepals disconnected ; fruit broad-linear ; seeds 

 shining ; arillar seed-appendage light-brownish. 



A. tenuifolia. 



Phyllodia quadrangulate-linear. 



Shrub, rather tall ; phyllodia moderately long, sessile ; 

 stipules minute ; headlets of flowers solitary or two 

 together, short-stalked ; sepals coherent ; fruit broad- 

 linear ; arillar seed-appendage ample, light-brownish. 



A. cliffusa. 



