xliv TABLE OF GENERA. © 
Order LXVI. PLANTAGINACE:. 
1. Puantago. Stamens upon the corolla. 
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. LrrroretiA. Stamens hypogynous. 
Order LXVIII. AMARANTHACEAE. 
. Amarantuus. The only British genus. 
Order LXIX. CHENOPODIACE. 
. Brra. Stamens 5, on a fleshy ring. Ovary adhering to the calyx. 
. Cuznopoptum. Stamens 5, on the receptacle. Ovary free. 
_ Avriptex. Stamens 5. Flowers moneecious, of different forms. 
. Sanrcornta. Stems jointed, succulent, leafless. Stamens 1 or 2. Calyx entire, 
fleshy. 
. Sansoua. Stamens 5, from an hypogynous ring. Calyx 5-parted. 
Order LXX. SCLERANTHACE. 
. Scuerantuus. The only British genus. 
Order LXXI. POLYGONACE. 
. Potyconum. Sepals 5. 
. Rumex. Sepals 6. Styles 3. 
. OxyriA. Sepals 4. Styles 2. 
Order LXXII. THYMELACE/#. 
. Darune. The only British genus. 
Order LXXTIT. SANTALACE AE. 
. Tnestum. The only British genus. 
Order LXXTV. ARISTOLOCHIACE A. 
. ArisrotocatA. Anthers 6, sessile on the style. A climbing plant. 
. AsAruM. Stamens 12. A low herb. 
Order LXXV. EMPETRACEA. 
. Evverrum. The only British genus. 
Order LXXVI. EUPHORBIACEA. 
. Mercurianis. Calyx 5-parted. Diccious or monecious. 
. Evpuorsia. Flowers in moncecious heads, surrounded by bracts. Ovary stalked. 
. Buxus. An evergreen shrub. Stamens 4. Moneecious. 
Order LXXVII, CALLITRICHACEA. 
. Cauuitricue. The only British genus. 
_ Order LXXVITI. CERATOPHYLLACEA, 
. Ceratornytium. The only British genus, 
Order LXXTX. URTICACEA, 
. Urtica. Flowers monecious or dicecious, in racemes. 
