Penn. 
Bot. Contrib. Unrv. 
GER Pra aai, 
\ : (Lp m a ay ii Te 
. 1 RY , 
\ Un ROR ‘ 
f = i (a) 
i 
Fig. 11. 
S 
SF 
Fig. 8 
ue 
’ 
@ 
Fig. 10. 
4) NWA ay) > 
Vol. Il, Plate XXXII. 
Fig. 15. 
s. 
Fig. 14. 
STRUCTURE OF EPIPHEGU 
Fig. 13. 
