FLORA VECTENSIS. 



I. VASCULAR OR PHANEROGAMOUS PLANTS. 



Vegetables composed of cellular tissue, woody fibre, and spiral 

 vessels ; bearing distinct organs of reproduction (stamens and 

 pistils), and producing seeds having an embryo furnished with 

 one or more cotyledons. 



Class I. 



DICOTYLEDONOUS or EXOGENOUS PLANTS. 



Stems formed of bark, wood and pith, the wood traversed by 

 medullary rays, and increasing in perennial plants by annual 

 additions of concentric layers external to the older zones or 

 betwixt them and the bark. Leaves with anastomosing veins. 

 Cotyledons 3 or more, opposite or whorled. 



Subclass I. Angiosperm^. 



Ovules produced within a closed ovary or pericarpial envelope. 

 Cotyledons 2, very rarely (in Cuscuta) 0, opposite. 



Subdivision I. THALAMIFLOE^, DC. 



Stamens hypogynous or not adherent with either of the floral 

 envelopes, but springing, like them, from the receptacle or bed 

 (thalamus) bearing the ovaries, and close underneath the latter. 



Order I. EANUNCULACE^E, Juss. 



Herbaceous or occasionally shrubby and climbing plants, mostly 

 with acrid watery juices and variously compomid or divided sel- 

 dom entire leaves, whose petioles are dilated and sheathing at the 

 base and without (true) stipules. Perianth regular or irregular. 

 Sepals 3 — 5 or more, often coloured and petaloid, or frequently 

 unsymmetrical, mostly deciduous. Petals 5 — 10 or more, either 

 regular and often furnished with a pore or scale at the base, or 



