204 



GENUS CHRYSOTHAMNUS. 



Invol. i2-r4 mm 

 high; fis. 5-7 



ris. reduced to 5or6. 



rarely more {especially 



in ssper); Ivs. 1-3 mm. 



wide, narrowly linear 



except in asper 



South-western dwarf 

 with short spatulate Ivs. 



Fio. 27— Phylogenetic chart of the eubspeciee of Cfcrysortamnu. parrj/t 



