Note 17 — Chapter X
Reading edition
The following account is founded on work carried on by the author at the N. Y. Agr. Exp. Sta., accounts of which have been given before several horticultural societies in 1916, 1917 and 1918.
Reading edition
The following account is founded on work carried on by the author at the N. Y. Agr. Exp. Sta., accounts of which have been given before several horticultural societies in 1916, 1917 and 1918.