TY  - BOOK
AU  - Hitchcock, A.S.
TI  - Manual of the Grases of the United States,
T2  - ( U.S.D.A. Misc. Pub. No.200)
U1  - R/584.973 H4M2 
PY  - 1951///
CY  - Washington
PB  - U.S. Govt. Printing Office
ER  -