78 



THE CEUCITEB FAMILY. 



25^ ] 



j^ f Pods not 6 lines long, on slender spreading pedicels 4. Wateechess, 



(.Pods an inch or more, on stiff short pedicels 3. Wikteeckess. 



r Pod globular or oblong, or compressed. The valves flat or convex, 



15 SiucuLOSB ^ „??""*■' *"*''?*^''?^P*'"*!f°" ,-, •/■V/ •i-*-*^ • • • ^® 

 I Pod compressed or flattened laterally, at right angles to the narroui 



L partition. The valves boat-shaped 23 



jg (■ Pod nearly globular or cylindrical 17 



( Pod evidently compressed or flattened 21 



1- f Miimte aquatic plant with subulate leaves 17. AwLWOBT. 



( Terrestrial plant with flattened leaves 18 



It, (■ Flowers white. Cotyledons accumbent 19 



" I Flowers yellow 20 



(^ Plant glabrous. Pod globular or shortly ovoid 13. Cochleabia. 



19 s Plant hoary or rough with short hairs. Pod somewhat flattened or oblong. 



(. 1-1. Altsscm. 



Leaves pinnately lobed, or, if entire, narrowed at the base. (Cotyledons accumbent.) 



4. Watekceess. 



SO-j Leaves linear, in dense radical tufts. Flower-stems leafless .... 15. Dbaba. 



Leaves entire or toothed, the upp rones auricled and clasping the stem. (Cotyledons 



incumbent.) 16. Camelina. 



2, ("Petals deeply divided. (Dwarf annual.) 15. £)baba. 



t Petals entire or notched 22 



23 ( Pod nearly orbicular 14. Altssum. 



"( Pod considerably longer than broad 15. Dbaba. 



r,„ f Two or more seeds in each cell of the pod 24 



" l One seed only in each cell 28 



Leaves entire 25 



Leaves more or less pinnate 26 



f Pod winged aU round. (Cotyledons accumbent.) 18. Penntceess. 



Pod obcordate or wedge-shaped, not winged. (Cotyledons ineiunbent.) 



22. Capsella. 



cf, f Two seeds in each cell 27 



~ I Many seeds in each cell. (Cotyledons incumbent.) 22. Capsella. 



2^ 5" Pod sUghtly winged, orbicular. (Cotyledons accumbent.) . . . 19. Teesdalia. 



( Pod not winged, ov 1. (Cotyledons oblique.) pi. Hutchinsi^. 



r Pod opening in two valves. Upper leaves undivided 29 



28 < Pod indehiscent, or separating laterally into two nuts. Trailing plant, with all the 



L leaves pinnate 24. Senebieea. 



nq f Two adjoining outer petals much larger than others 30. Candytuft. 



~^ I Petals aU equal 23. Ceess. 



30 LoMENTOSE (P'i^lft'T'^ •.■•.••■•.• 81 



(. rod globular, cyundncal, or corneal 32 



„i f Pod oblong, pendulous. Tall plant, with yeilow flowers 25. "n«AD. 



X Pod small, broad. Trailing pla'nts, with small white flowers ... 24. Senebieea. 



rPod globular, one-seeded, raised on a short, thick stalk within the calyx 27. Ceambe. 

 „2 J Pod of two joints, the upper mitre-shaped tnd one-seeded, the lower pike-shaped, 



I with an imperfect ovule 26. Cakile. 



t.Pod of several seeds, separated by transverse partitions 28. Kadish. 



These Genera are distributed into the following Tribes : — 



1. AEAEtDE.s. Pod siliquose. Cotyledons accumbent. Genera: — 1. Stock; 

 2. Wallfloweb ; 3. Wiktebceess; 4. Wateecbess ; 5. Kockceess; 6. Bittee- 

 ceess; 7. Toothceess. 



2. SiSTMBEiEa;. Pod siliquose. Cotyledons incumbent. Oenera: — 8. Hespeeis; 

 9. SiSYMBEIUM; 10. Alliakia; 11. EfiTSIMnM. 



3. BEASSiCE.ffi. Pod siliquose. Cotyledons conduplicate. Genus: — 12. Bbashca. 



4. A'ltssink.e. Pod siUculose, the partition across the broad st diameter. Cotyledons 

 aceiunbent. Genera: — 13. Cochleabia; 14. Alt. sum ; 15. Deaba. 



5. Cameline.*:. Pod siliculose, the partition across the broadest diameter. Cotyle- 

 dons incumbent. Genera : — 16. Camelina ; 17. Awlwobt. 



G. THLASPIDE.E. Pod siliciilose, the partition across the narrowest diameter. Cotyle- 

 dons accumbent. Genera: — IS. Pennyceess; 19. Teesdalia; 20. Candytuft. 



7. LEPIDINE.E. Pod siheulose, the partition across tha narrowest diameter. Cotyle- 

 dons incumbent or nearly so. Genera: — 21. Hutchinsia; 22. Capsella; 23. Cbess; 

 24. Senebieea. 



8. Lomentos.e. Pod lomentose. Genera: — 25. Woad; 26. Cakile; 27. Ceambe; 

 28. Kadish. 



Several Eiu'opean and Asiatic CrucLfers belonging to other genera, are 



I 



