VT R 



TRIFIDUM FoUum {jn ires partes fijfm'] 

 thrice divided by linear finufes, having ftraight 

 margins, excmpiiiied in the Refula lutea. bee 

 Fijfus. 



TRIFLORUS Pedunculus [/m, & fios, a 

 flower] bearing three flowers : producing three 

 fruftifications on each Pedunculus. 



TRIGONUS Caulis Ir^t;, ter, & v«>"«, an- 

 gulus, an angle] Linnoeus, in the Phil. Botan. 

 explains this term, according to its derivation, 

 as fignifying the number of angles ; but in his 

 Delineatio Plants, a later work, in a fubdivifion, 

 under /^^:^r^, he ufes angulatus to exprefs the 

 angles, and in the next fubdivifion he has 3- 

 queter, & ygonus : now yqucter he explains to 

 mean, three plain fldes ; thei-efore trigonus muft 

 fignify a triangular figure whofe fides are either 

 concave or convex. 



TRIGYNIA {Tfilu tres, three, & Vvn, mw 

 Her, a wojnan] the third order in the firft thir- 

 teen clafles, except the firft, the fourth, and 

 the feventh, in the Linn3ean fvftem : it includes 

 thofe plants which in their fruftification dlf- 

 cover thre tSiyli, which are confidered , in the 

 fexual fvftem, as the female organs of gene- 

 ration. 



TRr- 



