Download PDF

84 introduction to botany.
Reticulum.
A fibrous sheath at the base of the leaves of the palmae.
Pericladium.
A hollow part of the base of the leaves which surrounds
the branches or peduncles. Umbeiliferae.
Phyllodium.
A greatly expanded petiole of compounded or deeply
cut leaves, which assumes the appearance of a real leaf.
Sunk leaves of the Alismacese, Bupleurum, Batrachium.
Some botanists call these, petiolaneous leaves, folia petiolanea.
Support.
Stipes, Peridroma, Rachls. The petiole of a fern, dif-
fering from the proper petiole, as bearing the fructification
as well as the leaf, or leaflets.
Stipelle.
Stipella. A kind of stipule placed at the base of the
leaflets on the common petiole. Phaseolus.
Hypophyllium.
A small sheath, representing the true leaf, having
branches at the axillee similar to leaves. Asparagi.
Vaginelle.
Vaginella. A small membranaceous sheath, embracing
the base of bundles of leaves. Pinus, Larix.
Auricle.
Auricula, Amphigaster. A kind of stipule accompanying
the leaves of the jungermanniae.
Vesicles.
Vesicula. A hollow enclosed part, full of air, found on
the leaves, Fuci; or in the petiole, Trapa natans.
Goblet.
Ascidium, Vasculum. A kind of cup formed either by the
leaf being rolled up and the edges soldered together, Sarracenia
; or by the concavity of the leaf itself, Cephalotus
or by a peculiar hollowing out of the extremity of the main
rib, Nepenthes.
;