G  7  8 
Perezia(Acourtia)  Wrghtii,  Gray.— 1.  Leaf  (nat,  size).  2.  Flower  head  (nat.  size), 
With  bases  of  cut  pedicels.  3.  Root  Q4  nat.  size).  4.  Root  deprived  of  the  woolly 
covering.  5.  Floret  (nat.  size).   6.  Corolla.  7.  Akene.  8.  Stamens  (magnified). 
