t 
9 . 
QQ. leaves very hairy, to 20 ft 
Boraginacea e GO 
Besserschmidia argente a 
(L.f.) Johnston 
AA. Leaves opposite of whorled in arrangement along the stem.... B 
i 
/ 
i 
B. Plants herbaceous shrubs or low growing herbs.....C 
\ \ 
/ 
, _ _ » 
I 
C. Leayes compound...‘ * * * ^9) 
Tribulus (65) 
/ 
f 
‘ f 
...D. 
C. Leayes simple........ 
D. Leaves succulent 
