Report of the Commissioner of Patents for the year .. (1849)
United States. Patent Office · Washington : Office of Printers to House of Reps. · leaf 266
is not good, amixture between it and one of the parent races, or even a second orthird cross of this nature, may result in the desired quality. Tworaces, which do not cross freely, may also find a medium of union ina third. Again, a race that will not readily receive, will often freelyimpart… … Tlie letter a, denotes a longitudinal section of the stalk, including a joint; b, a detached leaf, one-thirdthe natural size; c, a head of wheat in flower, somewhat reduced; d, the entire organs of reproductionenlarged; e, a side view of the berry, or grain, showing the embryo, or germ ; /, a…
United States. Patent Office · Patents · Agriculture
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
