164 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
Fic 74.—Secrion or Fiower or P. apa (nat. size). 
Fic. 75.—Secrion or Fiower or P. Sr. Rune (nat. size). 
fj) 
yf 
iif 
Yh 
Ly 
YJ 
Pp 
Fic. 76.—Section or Firowrer or P. Buonavartrua (nat. size). 
