INTRODUCTION TO BOTANY. 85 
Cover. 
Operculum. A moveable leaflike expansion, which covers 
the goblet. Sarracenia, Nepenthes. 
BUTTONS. 
Gemme. The rudiments of young shoots, either naked or 
surrounded with peculiar coverings. 
Species. 
Bulb, Bulbus. ‘Thick, placed on the roots. Liliacez, 
Asphodelez. 
Bulbille, Budbillus. 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 om the root, smaller than the 
bulb. Arum Italicum, Asparagus officinalis, Solanum tu- 
berosum. 
Sobole, Soboles, Bacillus. Growing in the pericarpium, 
instead of seeds. Crinum Asiaticum. 
Bus. 
Tuberose, Bullus tuberosus, solidus. Uniform in its 
texture, without concentric coats or scales. Colchicum 
autumnale,- Crocus, Gladiolus, Fumaria bulbosa. 
Coated, tunicatus. Enveloped with coats. Fumaria 
bulbosa. 
Scaly, squamosus, tmbricatus. Composed of straight 
scales or tiles overlaying one another. Lilium, Saxifraga 
granulata. 
Formed of coats, tunicosus. Composed entirely of fleshy 
coats, one surrounding the other. Cepa esculenta. 
{| Aggregated, compositus, aggregatus. Composed of 
5 . e 5 . 
several cloves, or bulbuli, Allium sativum. 
Bou LBiLiE and SoBo.e. 
Scaly, Bulbillus squamosus. Lilium bulbiferum. 
Solid, ¢uberosus, 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. 
