CAPPAKIDACELE. 25 



19. SENEBIE'RA, DC. Wabt-Cbbss. SwdiE'Crebs. 



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



2. S. eorono'pus, DC. Pods not notched.— Atl. Prov. 



ao. CAKI'KE, Tourn. Sea-Rocket. 



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

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

 — Seashore, and borders of the Great Lakes. 

 ai. RAFH'ANIIS, Tourn. Radish. 



R. RaphaniS'trum, L. (Wild Radish.) Pods linear or 

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

 when ripe. Style long. Cotyledons oonduplicate. Leaves 

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

 purplish. — An introduced weed ; chiefly eastward. 



Order XT. CAPPARIDA'CE.ffi. Caper Family. 

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

 nate palmately compound leaves. Flowers cruciform. Sta- 

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



Synopsis of the Genera, 



1. Polauis'la. Stamens 8 or more. Pod sessile or nearly so. 



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



1. POLANIS'IA, Raf. Polahisia. 



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

 cid hairy stem. Leaflets 3. Flowers in terminal r<i,cemes. 

 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. traehyspeP'ma, Torr. a;nd Gray, has larger flowers 

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



2. CKEO'SIE, 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. 



