CAPPARIDACE/E. 25 



18. CAKI'LE, Tourn. SEi-EoCKW. 



C. Ameriea'na, Nutt. (AmeeioanS.) Flowers purplish. 

 Leaves obovate, fleshy, wavy-toothed.. Pod flesh3', 2-joiutei 

 — Seashore, and borders of the Great Lakes. 



19. UAPII'ASirS, Tourn. Radish. 



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

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

 when ripe. Style long. Cotyledons conduplioate. Leaves 

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

 purplish. — An introduced weed ; chiefly eastward. 



Oeder XI. CAPPARIDA'CE.S;. Capbk Pamily. 



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, hut only 1-celled. 



Syuoiisis of tlic Oencra. 



1. Folauis'ia. Stamens 8 or more. Pod sessile or 'only slightly 



stalkeil. 



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



1. POl.lSIS'IA, Eaf. Polanisia. 



1. P. grave'Olens, Eaf. 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, traehysper'ma, Torr. and Gray, has larger flowers 

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



9. CLEO'.UE, L. 



C. integrifo'lia, Torr. and Gray. Stem 278. 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. 



