ARRANGEMENT. 



CLASS I. MONAKDKIA. 1 Stamen. 

 ORDER I. MONOGYOTA. 1 Pistil. 



1. SALICORNIA. Calyx fleshy ; petals ; stigma 2-3 

 cleft. Sea-side plants with jointed stems, inconspicuous 

 flowers, and no true leaves. GOOSE-FOOT TRIBE. P. 

 528. 



2. HIPPURIS. Calyx minute ; petals ; stigma un- 

 divided. Aquatic plants with whorled leaves, and in- 

 conspicuous axillary flowers. MARE'S-TAIL TRIBE. P. 

 215. 



3. ZOST^RA. Calyx ; petals ; stamens and pistils 

 arranged alternately in 2 rows. Marine plants, with 

 long grass-like submersed leaves. POND-WEED TRIBE. 

 P. 644. 



4. CENTRANTHUS. Calyx bearing a feathery appendage 

 to the pericarp ; corolla of 1 petal spurred at the base. 

 Herbaceous plants with opposite leaves and small 

 flowers. VALERIAN TRIBE. P. 309. 



5. ALCHEMILLA. Calyx 8-cleft, bearing the stamens^ 

 which vary in number from 1 to 4 : petals 0. Herba- 

 ceous plants with stipuled leaves and small green flowers, 

 EOSE TRIBE. P. 171. 



ORDER II. DIGYNIA. 2 Pistils. 



6. CALLITRICH& Small aquatic plants with opposite 

 leaves, inconspicuous axillary flowers without petals, and 

 4 -seeded fruit. WATER-STARWORT TRIBE. P. 5j8, 



