CAPPARIDACEJE. 25 



19. SENEBIE'RA, DC. WART-CRHSS. SWINE- CRESS. 



1. S. did'yma, Pers. Pods notched at the apex. Atl. Prov. 



2. S. eOPOno'pUS, DC. Pods not notched. Atl. Prov. 



20, CAKI'LE, Tourn. SEA-ROCKET. 



C. Ameriea'na, Nutt. (AMERICAN S.) Flowers purplish. 

 Leaves obovate, fleshy, wavy-toothed. Pod fleshy, 2-joiiited. 

 Seashore, and borders of the Great Lakes. 



21. RAPH'ANUS, Tourn. RADISH. 



R. Raphanis'trum, L. (WILD EADISH.) Pods linear or 

 oblong, tapering, indehiscent, long-beaked, necklace-form 

 when ripe. Style long. Cotyledons conduplicate. Leaves 

 rough, lyrate. Petals yellow, veiny, turning whitish or. 

 purplish. An introduced weed ; chiefly eastward. 



.ORDER XT. CAPPARIDA'CEvE. CAPER FAMILY. 

 Herbs (in Canada), with an acrid watery juice, and alter- 

 nate palmately compound leaves. Flowers cruciform. Sta- 

 mens 8 or more. Pod like that of a crucifer, but only 1-celled. 



Synopsis of tbe Geuera. 



1. Polanis'ia. Stamens 8 or more. Pod sessile or nearly so. 



2. Cleo'nie. Stamens 6. -Pod long-stalked. 



1. POLAMS IA, Raf. POLANISIA. 



1. P. grave'Olens, Raf. A strong-scented herb, with a vis- 

 cid hairy stem. Leaflets 3. Flowers in terminal racemes. 

 Sepals 4. Petals 4, yellowish-white, narrowed below into 

 long claws. Stamens 8-12, exserted. Pod glandular-pubes- 

 cent, 2 inches long, linear, with a very short stalk. Shore 

 of Lake Ontario, Hamilton to Niagara. 



2. P. tPaehysper'ma, Torr. and Gray, has larger flowers 

 and strongly exserted stamens, and a sessile pod. N.W. 



2. CLEO'ME, L. 



C. integrifo'lia, Torr. and Gray. Stem 2-3 feet high, 

 glabrous. Flowers showy, rose-coloured or white, in leafy- 

 bracted racemes. Leaves of 3 lanceolate or oblong leaflets. 

 Stipe of the pod as long as the pedicel of the flower. Dry 

 clay soil; N.W. 



