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•204 INTRODUCTION TO BOTANY.
Furnished with an operculum, operculahun. Having
an operculum, or embryo-cover, placed over the radicular
extremity of the embryon, and tallinfr oft' when the seed
germinates. Phoenix dactylifera, Asparagus officinalis.
Villous, villosuvi. Roellia cristata, Murraya exotica.
Woolly, lanatum. Bombax, Gossj'pium.
Edged, marginatum. With a prominent narrow edge.
Spergula pentandra, Matthiola sinuata.
Fringed, cilialum. Edged, and the edge cut into fine
jags like eyelashes. Limnanthes peltata.
Winged, alatum. Furnished with large thin expansions
of the edges or corners.
One-winged, uni-alaium, mo?iopterum'
Winged all round, peripleratum. Surrounded by the
wing. Veratrum alburn, Rhinanthus glaber.
Winged at top, epipteralum. Banksia, Bignonia.
Two-winged, bi-alatuin, dlpterum.
Three-winged, tri-alalum, triptenim. Moringa, Fterospermum.
Tufted, comahim. With a tuft of hairs or coma, produced
either by an expansion of the seed-covers, Tamarix;
or by the umbilical cord drying, and splitting into fine
filaments, Asclepias, Epilobium.
Bald-headed, calvum. Without any tuft. Vinca.
Drupelike, dntpeolatum. Surrounded with pulp and
like a stone-fruit. Ixia Chinensis, Punica Granatus.
Arilled, ar'illatum. Having an arill. Myristica, Oxalis,
Evonymus.
Parts of the seed.
Seed covers, Integumenla propria seminum, TuniccE seminales.
The covers that grow along with the ovule, and are
not very distinct until the ovary is ripened into a pericarp ;
they comprise the arill, the outer and the inner skin.
The kernel, Amygdala. The seed stripped of its covers,
being either a simple embryo, or an embryo accompanied
with a perisperm.
Arill.
Arillus, Calyptra. An appendage to the hile, usually
Jormlng an expansion' round the seed, which falls off of itself
mid is peculiar to afew seeds only.
Complete, Arillus complelns. Covering the seed entirely.
Oxalis.
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