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Ao«^(5, potentia, power] the -fifteenth clafs \a 

 the Linnsan fyftem ; it comprehends all the 

 plants which bear hermaphi-odice flowers with 

 four long and two fliort /lamina ; befides which 

 it has the following claflical charafteriftcs, viz. 

 Calyx, Perianthtum tetraphyllous, oblong, 

 xhtfoliola of which are ovato-oblong, concave, 

 obtufe, connivent, gibbous at the bafts, the oppo- 

 fite ones equal and deciduous ; Corolla, cru- 

 ciform, four equal Petala ; Ungues piano fiihula- 

 ti, eredt, Limbi flat, and enlarging outwards, 

 obtufe, and hardly touching each other ; the 

 Petala inferted in the fame circle with the 5/^- 

 ?nina. Sta-mina fix, eredt ; two oppofite to 

 each other, about the height of the Calyx ; four 

 fomewhat longer, but not fo long at the Corol- 

 la; Anthera fomewhat oblong, acuminate, fwel- 

 ling at their bafa^ eredl, with their apices incli- 

 ning outwards. Clofe to the hafis of the two 

 fliorter Stamina there is a neflariferous gland, 

 which differs in its appearance in the difi'erent 

 genera ; to avoid comprefllng this gland, thefe 

 two filaments make a curve, which renders 

 them fhorter than the other four. Pjstillum, 

 the Germen above the Receptacuhm growing dai- 

 ly longer ; Stylus^ the length of the longery^fl- 

 mina^ or entirely wanting ; Stigma obtufe, Pe- 

 RiCARPiUM, 5///^w, bivalvate ; frequently bi- 

 locular, opening from, the bafn to the apex ; 

 B b DiJJepimefitum 



