ARRANGEMENT ADOPTED 



IN THE 



LIVERPOOL FLORA 



I.— DICOTYLEDONOUS, OR EXOGENOUS PLANTS. 



1. THALAMiFLOEiE, petals scvcral, distinct, and the stamens 



hypogynous. 



2. Calyciflor^, corolla and stamens perigynous, or inserted 

 into the calyx. 



A. PolypetalotiSy petals distinct. 



B. Monopetalous, petals united, and forming as it were 



a monopetalous corolla. 



3. CoROLLiPLOR^, corolla of one piece, hypogynous, stamens 



epipetalous or hypogynous. 



A. Hypogynous, stamens free from the corolla. 



B. Epipetalous, stamens inserted upon the corolla. 



4. MoNOCHLAMYDEiE, perianth single or wanting. 



IL— MONOCOTYLEDONOUS, OR ENDOGENOUS 

 PHANEROGAMOUS PLANTS. 



1. PfiTALOiDEiE, flowers having a single perianth, or if desti- 



tute of one, nal<ed. 



1. Ovary adnate with the tube of the perianth. 



2. Ovary free, not adnate with the perianth. 



2. Glumace^, flowers destitute of a perianth, but inclosed 



within imbricated alternate chaffy scales or bracteas. 



III.— ACOTYLEDONOUS, OR FLOWERLESS PLANTS. 



15 



