Contr. Nat, Herb., Vol. PLATE XVII. 
ep) 
Cc 
oO 
aoa 
— 
aS 
- 2 
= om 
= 7 
~ BD 
=. > 
=. & 
c Mm 
an) 
aa 
= > 
= @ 
= O 
= 0 
=a >} 
t a 
ae) 
>, 
