VI. ' ARTIFICIAL ANALYSIS OF THE NATUTtAL ORDEIiS. 



Series L PHiENOGAMOtJS ok FLOWEPJNG PLANTS. 



Plants furnished with flowers, consisting of stamens and pistils, 

 and producing seeds wliich contain an embryo plant. 



Class I. DICOTYLEDONOUS or EXOGENOUS PLANTS. 



Stem composed of bark and pith, with an interposed layer of woody 

 fibre and vessels, and increasing in diameter, in all perennial stems, 

 by the annual deposition of a new layer between the wood and bark. 

 Leaves nctted-veincd, commonly articulated with the stem. Floral en- 

 velopes usually in fours or fives. Cotyledons two, rarely more. 



Subclass L ANGIOSPERMOUS EXOGENOUS PLANTS. 



Ovules contained in an ovary, and fertilized by the action of the pollen, 

 through the medium of a stigma. Cotyledons two. 



Division L POLYPETALOUS EXOGENOUS PLANTS. 



Floral envelopes double, consisting of both calyx and corolla ; the latter of 

 separate petals. 



» Stamens and petals free from the calyx, hypogijnous or nearly so. 

 ■t- Stamens inore tlian twice as many as the petals. 

 Leaves opposite, entire. Page 



Leaves dotted. Stamens Fpparate. Stigma small. IIYPETlICACE^i 38 



Leaves dotless. Stamens united below. Stigma radiate-peltate. CLUSIACE.^, 42 



Leaves alternate. 



Ovaries more than one, each 1-ceIIed. 

 Stems woodj'. Petals G or more, in two or more rows. 

 Petals imbricated in the bud. 



Anthers 4-celIed. Dioecious vines. MEXISPEr.MACEiE, 15 



Anthers 2-celled. Flowers perfect. MAGXOLlACEiE, 12 



Petals valvatc in the bud. Fruit pulpy. Albumen ruminated. ANONACEiE, 14 



Herbs. Ovaries embedded in the top of the large receptacle. NELUMBIACE.E, 18 



Ovaries borne on the receptacle. Sepals and petals deciduous. RANU\CUT,ACE/T;, 2 



Sepals and petals persistent. CAEOMBACEiE, 13 



