emia._

=Z.= Leaves not as above. (=a.=)

=a.= Fruit a large (1/2-1 1/2 in.) rounded pulpy berry with a
heavy calyx at the base 55. _Diospyros._

=a.= Fruit small (1/4 in.), fleshy, drupe-like, with a
striate stone; limbs branching horizontally, often
descending 46. _Nyssa._

=a.= Fruit a black, juicy berry (1/3-1/2 in.), with about 3
seeds 20. _Rhamnus._

=a.= Fruit an ovoid dry drupe (1/2 in.); leaves
sweet-tasting 59. _Symplocos._

=a.= Fruit an apple-like pome (Quince) 37. _Pyrus._

=b.= Wood soft; both kinds of flowers in catkins in spring;
with either stipules or stipular sears 91. _Salix._

=b.= Wood hard; leaves thick; fruit an acorn 88. _Quercus._

=c.= Fruit a 2-4-seeded small berry; juice not milky
20. _Rhamnus._

=c.= Fruit large, orange-like in size and color when ripe;
juice milky 77. _Maclura._

=c.= Fruit small, black when ripe, cherry-like; juice
milky 54. _Bumelia._

=d.= Aromatic; berries dark blue on red stalks 68. _Persea._

=d.= Not aromatic; leaves nearly 1 ft. long; flowers large
and solitary. 1. _Magnolia._

=d.= Not aromatic; leaves 1-4 in. long; flowers very small;
fruit small dark-colored berries, with 2-4 seeds 20. _Rhamnus._

=d.= Not aromatic; flowers large, in showy clusters. (=e.=)

=e.= Leaves 5 in. or more long 52. _Rhododendron._

=e.= Leaves less than 4 in. long 51. _Kalmia._

=f.= Leaves decidedly aromatic, usually somewhat
irregularly lobed, margin entire, base tapering 69. _Sassafras._

=f.= Leaves usually deltoid, sometimes heart-shaped with
serrate margin and gummy buds, rarely palmately lobed.
All have either the petiole flattened sidewise, the
leaf-blade densely silvery-white beneath, or gummy
aromatic buds 92. _Populus._

=f.= Leaves broadly heart-shaped; margin entire; small tree
with abundance of red flowers in early spring; fruit a