INTRODUCTION. 17 
but they may be entirely removed from the latter, leaving the stamens at- 
tached to the disk. These two classes will therefore, appear as in the plate 
Cuass XIII. Potyanpria. Twenty stamens or more inserted into the 
receptacle. Orders Monogynia, Digynia, Trigynia, Tetragynia, Penta- 
gynia, and Polygynia. 
14, The next two classes are characterized by peculiarities in the 
proportional length of the stamens, as well as in their number. Those 
which are longer than the rest are said to be im power; and the termina- 
tion dynamia is applied to the number of these, in order to designate 
their peculiarity. 
Crass XIV. Dipynamia. our stamens, two longer than the others. 
Orders Gymnospermia and Angiospermia, 
Crass XV. Trrrapynamia. Six stamens, four longer than the 
others. Orders Siliquosa, Siliculosa. 
15. The three following classes are characterized by the more or less 
complete Union of the filaments of the stamens into bundles or brother- 
hoods; on account of which the termination adelphia is applied to the 
number of such bundles. 
Crass XVI. Monapexrura. Stamens united into a single bundle 
Sorming a tube which surrounds the style. Orders Triandria, Pentandria, 
Hexandria, Heptandria, Octandria, Decandria, Dodecandria, and 
Polyandria. 
Crass XVII. Diapetpuia. Stamens united into two bundles. Orders 
Pentandria, Hexandria, Octandria, and Decandria. 
Crass XVIII. Potyapeipnia. Stamens united into several bundles. 
Orders Decandria and Polyandria. —_- 
16. In the next class, it is the anthers which form the tube; and the 
name applied to it, signifies a growth together. In the succeeding class, 
the stamens and pistil grow together; and the name gynandria refers to 
this union of the male organs with the female, the latter being designated 
by the first syllable, which will presently nt seen to be much employed 
in the description of the orders. 
Cuass XIX. Syneenesta. Stamens united ah their eahavi into @ 
tube. Orders Aiqualis, Superfiua, Frustranea, and Necessaria. 
Crass XX. Gynanpria. Stamens and pistils grown together. Orders 
Monandria, Diandria, and Hexandria. 
17. The three remaining classes are characterized by the separation 
of the staminiferous and pistilliferous flowers. The import of the name 
Moneecia is single-housed, and of Dicecia double housed. 
Crass XXI. Monazcta. Stamens and pistils on separate flowers, but 
both growing on the same plant. Orders Monandria, Diandria, Triandria, 
Tetrandria, Pentandria, Hexandria, Octandria, Icosandria, Perea 
and Menndaips- ’ 
