CLASSIFICATION 



Nat. Ord. AROIDB^B. Characters. Leaves large, radical, 

 usually net-veined. Flowers unisexual, borne on a spadix, enclosed 

 or protected by a spathe, and often very fetid smelling. Perianth 

 none, or composed of 4-8 hypogynous segments. Stamens few or 

 many. Fruit a 1- or more celled, and 1- or more seeded berry. 



Genera described. ARISARUM, ARIS^EMA, BIAEUM, SAUROMATUM, 

 ARUM, DRACUNCULUS, AMORPHOPHALLUS, COLOCASIA, ALOCASIA, 

 CALADIUM, EICHARDIA, CALLA, DRACONTIUM, ACORUS, CYRTOSPERMA, 

 CHLOROSPATHA, SYNANDROSPADIX, THOMSONIA, XANTHOSOMA, ARO- 

 DENDRON, TYPIIONIUM, SYMPLOCARPUS, LYSICHITUM, ANCHOMANES. 



CLASS II DICOTYLEDONS. 



DIVISION I. POLYPETAL^E. Flowers with both calyx (sepals) 

 and corolla (petals). Petals free or distinct from each other. 



Series 1. THALAMIFLOR^E. Sepals usually free. Petals often 

 numerous. Stamens inserted on a torus or receptacle, hypo- 

 gynous, numerous. Carpels free or united. , 



Nat. Ord. RANUNCULACE^I. Characters. Flowers regular 

 or irregular, with 3-6 hypogynous deciduous sepals, usually imbricate 

 in bud. Petals 3-15, hypogynous, in one or more rows, sometimes 

 assuming very remarkable forms in Monkshood (Aconitum). Stamens 

 usually numerous, hypogynous. Carpels numerous, 1-celled, free, 

 or occasionally united into a many-celled pistil. Fruit consists of 

 either dry, indehiscent achenes or follicles. 



Genera described. ANEMONE, RANUNCULUS, ERANTHIS, ACONITUM, 

 P.EONIA, DELPHINIUM, THALICTRUM. 



Nat. Ord. BERBERIDEJE. Characters. Flowers solitary, or in 

 racemes or panicles. Sepals 2-6, deciduous, in a double row, 

 surrounded with petal-like scales. Petals free, hypogynous, either 

 equal in number to the sepals and opposite to them, or twice as 

 many. Stamens 4-6 (rarely 8), in two whorls opposite the petals, 

 hypogynous, free or sometimes monadelphous. Carpel solitary, 

 free, 1-celled. Fruit a capsule or berry. 



Genera described. BONGARDIA, LEONTICE, CAULOPHYLLUM, PODO- 

 PHYLLUM. 



Nat. Ord. NYMPHJEACEJE. Characters. Water plants with 



large, long-stalked, heart-shaped or peltate leaves; and large, 



beautiful, and often sweet-scented flowers. Sepals, usually 4, free, 



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