The plums of New York

Name: The plums of New York
Author: Hedrick, U. P.
Hedrick, U. P.
Fruit-culture -- New York (State); Plum
After the discussion of the characters of plums we may pass to a detailed
description and discussion of the species of plums which now contribute
or may contribute cultivated forms to the pomology of the country either
for their fruits or as stocks upon which to grow other plums. The
following conspectus shows as well as may be the relations of the species
of plums to each other.


CONSPECTUS OF SPECIES OF PLUMS.

  A. Flowers in clusters of 1 or 2. (Three in _P. triflora_.)
     Old World plums.
    B. Leaves drooping.
      C. Shoots and pedicels pubescent.
        D. Flowers mostly in twos.
          E. Fruits large, more than 1 inch in
             diameter, variable in shape, often
             compressed; tree large; stamens
             about 30.                             =1. P. domestica.=
          E.E. Fruit small, less than 1 inch in
             diameter, uniformly oval or ovoid;
             stamens about 25; tree small,
             compact.                              =2. P. insititia.=
        D.D. Flowers mostly single.
          E. Leaves small, less than 2 inches
             in length; sometimes a tree; very
             thorny                                =3. P. spinosa.=
          E.E. Leaves large, more than 2½ inches
             in length; a shrub; thorns few        =4. P. curdica.=
      C.C. Shoots glabrous or soon becoming so,
         pedicels glabrous.
        D. Pedicels shorter than the calyx-cup;
           leaves glabrous or sparsely pubescent
           on the under side along the rib;
           flowers in pairs                        =5. P. cocomilia.=
        D.D. Pedicels more than twice as long
           as the calyx-cup.
          E. Flowers mostly single; leaves hairy
             along the midrib on the under side;
             petiole ⅕ as long as the leaf-blade;
             a tree                                =6. P. cerasifera.=
          E.E. Flowers in threes; leaves glabrous,
             petiole shining, leaf-margins finely
             and closely serrate, teeth
             glandular-pointed; stamens about 25   =7. P. monticola.=
          E.E.E. Flowers in threes; leaves
             glabrous, often shining,
             leaf-margins finely and closely
             serrate, teeth glandular-pointed;
             stamens about 25                      =8. P. triflora.=
    B.B. Leaves upright, peach-like, glabrous,
       veins very conspicuous, under side barbate
       at axils of veins; separated from all other
       plums by the leaf-characters and by the
       large, flattened, brick-red fruits          =9. P. simonii.=
  A.A. Flowers in clusters of 3 or more, rarely 2.
     American plums.
    B. Plants trees. (_P. angustifolia_ rarely
       a tree.)
      C. Leaves broad, mostly ovate or obovate.
        D. Leaves long-ovate or long-obovate.
          E. Flowers white.
            F. Leaf-serrations glandless, acute;
               petiole usually glandless; calyx-lobes
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The plums of New York

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