478. four powers, silicled. Subularia. 



799- 



SUBULARIA. Silicle intire, egg'd : valves 

 egg'd concave, contrary to the parti- 

 tions. Style fhorter than the filicle. 



I. SuBUI/ARlA. aquatic. 



aquatica. 



800. DRABA. Silicle intire, oval oblong; valves 



flattifh, parallel to the partition. Style 

 none. Whitlow-grafs. 



Gizoides. 7. D. fcape naked fimple, leaves fword - form keel'd 

 fringed. aizoon-like. 



a liar is. 8. D. flem nakedifh, leaves linear fringed on the mar- 



gin and keel, petals intire. fringed, 



alpina. 1. D. fcape naked fimple, leaves lanced moft intire. 



alpine. 



verna. 2. D. fcape naked, leaves rather faw'd. vernal. 



pyrcnaica. 3. D. fcape naked, leaves wedge-form handed three- 

 lobed. pyrenean. 



muralis. 4. D. ftem branchy, leaves egg'd feflile tooth'd. wall. 



hirta. 5. D. fcape one -leaved, leaves rather fhaggy, filicles 



oblique pedicePd. faggy- 



incana. 6. D. ftem-leaves numerous hoary, filicles oblong oblique 



fubfeflile. hoary, 



801. LEPIDIUM. Silicle end - nick'd, hearted, 



many-feeded : valvelets keel'd, con- 

 trary. Dittander. 



veficarium. 

 nudicaule. 



procumbent. 5. L. 



perfoliatum. 1. L. ftem-leaves feather - many - cleft, branch-bearing 

 ones hearted ftem-clafping intire. leaf-pierced. 



3. L. knots of the ftems inflated. bladder. 



4. L. fcape naked moft fimple, flowers four-male, leaves 

 feather-cleft. naked-Jlem. 



leaves finuous feather-cleft with the extreme one 

 larger, fcape naked, ftems proftrate raceme- 

 bearing procumbent. procumbent. 

 leaves feather'd moft intire, fcape fubradicated, 

 filicles lanced dagger'd. alpine. 

 L. leaves feather'd moft intire, petals end-nick'd lefs 

 than the calyx. rock. 



9 .L. 



alpinum. 

 petrdum. 



6. L. 



