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introduction to botany. 85
Cover.
Operculum. A moveable leaflike expansion, which covers
the goblec. Sarracenia, Nepenthes.
BUTTONS.
Gemmae. The rudiments ofyoung shoots, either naked or
surrounded ivith peculiar coverings.
Species.
Bulb, Bulhus. Thick, placed on the roots. Liliacese,
Asphodelese.
Bulbille, Bulhillus. Small, growing on different parts,
above the ground, falling off' and taking root. Lilium
bulbiferum.
Bud, Gemma. Growing on the stem or its branches,
not falling off", but expanding itself on the place. Most
trees in temperate and cold climates.
Eye, Turio. Growing oh the root, smaller than the
bulb. Arum Italicum, Asparagus officinalis, Solanum tuberosum.
Sobole, Soboles, Bacillus. Growing in the pericarpium,
instead of seeds. Crinum Asiaticum.
Bulb.
Tuberose, Bulhus tuherosus, soUdus. Uniform in its
texture, without concentric coats or scales. Colchicum
autumnale, Crocus, Gladiolus, Fumaria bulbosa.
Coated, tunicaius. Enveloped with coats. Fumaria
bulbosa.
Scaly, squamosus, imhricatus. Composed of straight
scales or tiles overlaying one another. Lilium, Saxifraga
gi'anulata.
Formed of coats, tunicosus. Composed entirely of fleshy
coats, one surrounding the other. Cepa esculenta.
IF Aggregated, composilus, aggregatus. Composed of
several cloves, or bulbuli, Allium sativum.
Bulbille and Sobole.
Scaly, Bulhillus squamosus. Lilium bulbiferum.
Solid, tuherosus, solidus. Crinum Asiaticum.
% Axillary, axillaris. Growing at the setting on of the
leaves. Lilium bulbiferum.
Pericarpial, pericarpialis. Growing in the pericarpium.
in the place of seeds. Crinum Asiaticum.