VI. ARTIFICIAL ANALYSIS OF THE NATURAL ORDERS. 



Series I. PH.ENOGAMOUS or FLOWERING PLANTS. 



Plants furnished with flowers, consisting of stamens and pistils, 

 and producing seeds which 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 netted-veined, commonly articulated with the stem. Floral 

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



Subclass I. 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 I. POLYPETALOUS EXOGENOUS PLANTS. 



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

 separate petals. 



* Stamens and petals free from the calyx, hypogynous or nearly so. 



■^- Stamens more than twice at many as the petals. 



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 Ovaries two or more, 1-celled. 

 Shrubs, trees, or woody vines. 

 Petals imbricate. Flowers small, dioecious. Woody vines, MENISPERMACE.^, 14 

 Flowers large, perfect. Trees, MAGNOLIACE^, 11 



Petals valvate. Flowers solitary, nodding. Fruit pulpy. Shrubs. ANONACE.^, 13 

 Herbs, 

 Leaves peltate. Aquatic. 

 Ovaries in cavities at the top of a large receptacle, NELUMBONE^S, 18 



Ovaries on the receptacle. Leaves glutinous beneath, CABOMBEiE, 17 



Leaves not peltate. 

 Stamens separate. Leaves cxstipulate. RANtJNCULACE.E, 2 



Stamens monadelphons. Leaves stipulate. MALVACEiE, 45 



Ovary solitary, 1-celled. 

 Leaves opposite, pellucid-punctate, entire, HYPER1CACE.E, 55 



