MONADELPHIA. TRIANDRIA: 
. _ The fruit does not afford sufficient marks whereby to distin- 
guish the genera, in this class; but the calyx is of the utmost im- 
portance, and furnishes invariable characters. Linn. The 
petals are truly a continuation of the cylindrical sheath, formed 
by the united filaments, which incloses the styles and germens 
as it descends; when rising upwards, it spreads out into petals. 
4 
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MONADELPHIA. (Filaments united.) 
es _ Trianpria. (3 Stamens.) 
Juniperus, 
_ Decanpria. (10 Stamens.) 
POLYANDRIA. (many Stamens.) 
Althee, | — Malva, — Lavatera, 
Taxus, Pinus, 
