Download PDF

100 INTRODUCTION TO BOTANY.
Noon, meridiani. Not opening until the middle of the
day. Meserabryanthemum crystallinum, M. nodiflorum.
Night, nocturni. Open late in the evening, and close
again in the morning. Mirabilis Jalapa, Geranium triste,
Silene noctiflora.
l-l-. Parts of ajiower.
Sexual organs, Gejiitalia, — gonoi. The parts of the
flower appropriated to the reproduction of the species;
which include the pistil, stamens, and gymnostemium, and
are essential to die very being of a flower.
Pistil, Pointal, Pistilliim, — gyne, — gynos. The female
organ of the plant, seated in the centre of the flower, and
most commonly single. PI. 9, fig. 7, b; pi. 10, fig. 1, a, b
5, d; 6, e; 9, c; 17, a.
Chive, Stamen^ — stemon. The male organ of the plant
surrounding the pistil, and most commonly five in number.
PI. 9, fig. 7, c; pi. 10, fig. 1, c; 5, c ; 6, d ; 9, a, b.
Gymnostemium, Colimina. An organ found only in some
few plants, and formed by a union of the male and female
organs, into a single columnar mass. Orchideoe. PI. 12,
fig. 2, 3, 4, 6, and 8.
Floral integuments. Covers of the sexual organs, Tegumenta,
Integumenta Jioralia, Perigynandra. The parts of
the flower which cover and defend the sexual organs, at
least while young ; usually two, but one or even both are
wanting'in some plants : they comprise the corolla, calyx,
and perigonium.
Bloom, Blossom, Corolla, Auleiim, Perigy?ia?idra interior.
The internal integument when there are two ; it is usually
of a fine texture and gay colour, does not remain and adhere
to the fruit, and is inserted on the receptacle either
conjointly with the stamens, or at the same point. PI. 9,
fig. 10, 11, 12; pL 10, fig. 5, b; 8, b, c, d; 13, 14, 15, 17.
Empalement, Flower-cup, Calyx, Thalamus, Perianthium,
Perigynandra exterior. The external integument when
there are two ; it is usually of a coarse texture and green
colour ; it frequently remains after the flowering is over,
and adheres to the fruit, and is always perfectly distinct
from the stamens. PI. 9, fig. 10; 12 a; 13; pi. 10,
fig. 8 a; 15.
Perigonium De Candolle, Perianthium Mirbel, Brown,
Calyx Jussieu. The integument of a flower when there is
but one, whatever may be its appearance. Convallaria,
Lilium, Flyacinthus, Tulipa, Aristolochia, Daphne semper-
;