Handbook of the Trees of New England Part 37

=Decurrent.= Leaves prolonged on the stem beneath the insertion: branchlets springing out beneath the point of furcation, as the feathering along the trunk of elms, etc.

=Dentate.= With teeth pointing outwards.

=Disk.= Central part of a head of flowers; fleshy expansion of the receptacle of a flower; any rounded, flat surface.

=Drupe.= A stone fruit; soft externally with a stone at the center, as the cherry and peach.

=Erose.= Eroded, as if gnawed.

=Exserted.= Protruding, projecting out of.

=Falcate.= Scythe-shaped.

=Fertile.= Flowers containing the pistil, capable of producing fruit.

Anthers in such blossoms, if any, are generally abortive.

=Fibrovascular.= Bundle or tissue, formed of wood fibers, ducts, etc.

=Filament.= Part of stamen supporting anther.

=Fungus.= A division of cryptogamous plants, including mushrooms, etc.

=Furcation.= Branching.

=Glabrous.= Smooth without hairiness or roughness.

=Glandular.= Bearing glands or appendages having the appearance of glands.

=Glaucous.= Covered with a bloom: bluish h.o.a.ry.

=Globose= or =globous.= Spherical or nearly so.

=Habit.= The general appearance of a plant.

=Habitat.= The place where a plant naturally grows, as in swamps, in water, upon dry hillsides, etc.

=Hybrid.= A cross between two species.

=Imbricated.= Overlapping.

=Inflorescence.= Mode of disposition of flowers; sometimes applied to the flower-cl.u.s.ter itself.

=Involucre.= Bracts subtending a flower or a cl.u.s.ter of flowers.

=Keeled.= Having a central dorsal ridge like the keel of a boat.

=Key.= A winged fruit; a samara.

=Lacerate.= Irregularly cleft, as if torn.

=Lanceolate.= Lance-shaped, broadest above the base, gradually narrowing to the apex.

=Leaf.= Consisting when botanically complete of a blade, usually flat, a footstalk and two appendages at base of the footstalk; often consisting of blade only.

=Leaf, compound.= Having two to many distinct blades on a common leafstalk or rachis. These blades may be sessile or have leafstalks of their own.

=Leaf, pinnately compound.= With the leaflets arranged along the sides of the rachis.

=Leaf, palmately compound.= With leaflets all standing on summit of petiole.

=Leaf-cus.h.i.+ons.= Organs resembling persistent decurrent footstalks, upon which leaves of spruces, etc., stand; sterigmata.

=Leaf-scar.= The scar left on the twig where the petiole was attached.

=Lenticel.= Externally appearing upon the bark as spots, warts, and perpendicular or transverse lines.

=Linear.= Long and narrow with sides nearly parallel.

=Monopetalous.= Having petals more or less united.

=Mucronate.= Abruptly tipped with a small, sharp point.

=Nerved.= Having prominent unbranched ribs or veins.

=Obcordate.= Inversely heart-shaped.

=Obovate.= Ovate with the broader end towards the apex.

=Obtuse.= Blunt or rounded at the end.

=Orbicular.= Having a circular or nearly circular outline.

=Ovary.= The part of the pistil containing the ovules.

=Ovoid.= A solid with an oval or ovate outline.

=Ovuliferous.= Bearing ovules.

=Panicle.= General term for any loose and irregular flower-cl.u.s.ter, commonly of the racemose type, with pedicellate flowers.

=Pedicel.= The stalk of a single flower in the ultimate divisions of an inflorescence.

=Peduncle.= The stem of a solitary flower or of a cl.u.s.ter.

=Perfect.= Having both pistils and stamens.

=Perianth.= The floral envelope consisting of calyx, corolla, or both.

=Persistent.= Not falling for a long time.