INTRODUCTION TO BOTANY. 139 
Hypochilium. ‘The lower part of the labellum. 
Spur, Calcar. A hollow spur formed by an elongation 
of the labellum. 
PERULE. 
Perula. A hollow part, often resembling a spur, formed 
of two elongated and soldered sepales. Orchidez. 
STAMENS. 
Chives, Attire, Stamina,—stemon. The male organ of the 
plant, usually placed next within the corolla, and im- 
mediately surrounding the pistill. 
1, Origin. 
Hypogynous, Stamina hypogyna, receptaculo inserta. 
Exserted from the receptacle, either below the ovary, or 
even with its bottom. Graminese, Cruciferee, Ranuncu- 
laceze. 
Perigynous, perigyna, calyct inserta. Exserted from the 
internal surface of the floral integument, above the part 
where it is detached from the ovary. Thymelex, Rosacee, 
Leguminose, Myrtacez. 
Epigynous, epigyna, pistillo inserta. Exserted from the 
pistill itself. Aristolochia, Umbelliferz. 
{| Immediate, zmmediata. Exserted from the receptacle, 
calyx, or pistill. Cruciferze, Rosacese, Umbellifere. 
Mediate, mediata, epipetala. Exserted from the co- 
rolla, and therefore judged to have the same insertion in 
respect to the ovary as the corolla itself. Labiate, Cam- 
panulaceze, Composite. 
2. Number. 
Definite, Stamina definita. ‘The number constant and 
not exceeding twelve. 1 Hippuris, 2 Syringa, 3 Iris, 
4, Plantago, 5  Lonieera, 6 Lilium, 7 Aésculus, 8 Fuchsia, 
9 Butomus, 10 Saxifraga, 11 not yet discovered, 12 Ha- 
lesia. 
Indefinite, zmdefinita. More than twelve, and not usually 
counted, or constant. Papaver, Ranunculus, Rosa. 
3. Connexion. 
Distinct, Stamina distincta, discreta. Not united together 
either by their filaments, or their anthers. Lilium, Ra- 
nunculus. | 
