A REVISION OF THE GENUS SYMPHYTUM. 
ex 
C 
c. 
ADDENDUM. 
Hybrid between S. officinale, Linn., and S. orientale, Linn. 
x S. FERRARIENSE, C. Massalongo. (5. officinale x orientale.)— Folia caulina 
et floralia in petiolum caulemque anguste decurrentia. Caly« fere ad medium 
in dentes subovatos divisus. 
S. ferrariense, C. Massalongo in Bull. Soc. Dot. Ital. No. 6 (1913), p. 78. 
