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INTRODUCTION TO BOTANY. HI
Bracteated, Iracteata. Orchidese, Melampyvum cristatum,
M. arvense, Lavandula.
Spathed, spatliata. Vallisneria spiralis foemina. Arum,
Calla.
Involucrated, i7ivolucrata. Having an invoiucrum at
bottom. Brunella vulgaris.
Upright, erecta. Triticum, Triglocliin palustre, Per-
*f[
sicaria amphibia, Bistorta major, Lavandula Tragi, Reseda
lutea.
Hanging, pendula. Trasus pendulus, Musa, Hura cre-
pitans.
Besides these distinctions, there are also to be considered,
the number of the spikes, their disposition relative to each
other, and the insertion of the flowers in each spike.
Spikelets.
Spiculae, Locustae. The small spikes which are the divishm
of a compound spike, or panicle. PL 8, fig. 1.
These admit most of the distinctions of the simple spike.
Raceme.
Bunch, Racemus, — botrys. The flowers are home upon
pedicells, which are generally single-flowered, and these
again upon an axis.
Simple, Racemus simplex. The axis having no branches.
Actea spicata, Cerasus racemosa. PI. 8, fig. 6.
Branched, ramosus. The axis branched. Fagopjruni
esculentuu). Borrago oflicinalis, Acer campestre.
^ Upright, erectus. Acer campestre, Scrofularia nodosa,
S. aquatica, S. scorodonifolia.
Hanging, pendulus. Berberis vulgaris, Cerasus racemosa,
Acer majus. PI. 8, fig. 6.
% Axillary, axillaris. Acer majus, Cerasus raceraosus,
Orobus sylvaticus. PI. 8, fig, 6.
Opposite to the leaves, oppositifoUus. Herniaria glabra^
Phytolacca.
There must alsoibe noticed, the number of the racemeSj
and their position in respect to one another.