38 CRUCIFER.E. 



keeled; cells 1 -seeded; petals equal. (Name from the 

 Greek lepis, a scale, from the shape of the pouches.) 



6. COCHLEARIA (Scurvy Grass). Pouch globose, or 

 nearly so ; valves not flattened, 1 -nerved; seeds numerous. 

 (Name from cochlear, a spoon, from the shape of the 

 leaves.) 



7. ARMORACIA (Horse Eadish). Pouch globose, or 

 nearly so ; valves not flattened, nerveless ; seeds nume- 

 rous. (Name from Armorica, Brittany, where it is 

 abundant.) 



8. SUBULARIA (Awl- wort). Pouch oval ; valves 

 flattened, boat-shaped ; seeds numerous. (Name from 

 subula, an awl, from the shape of the leaves.) 



9. DRABA (Whitlow Grass). Pouch oval, or oblong ; 

 valves slightly convex ; seeds many, in two rows. (Name 

 from the Greek drabe, acrid.) 



tf Pouch without a central vertical partition. 



10. CAKfi^ (Sea Eocket). Pouch angular, with a 

 horizontal joint ; lower division containing a pendent 

 seed, the upper an erect seed, and soon falling off. (Name 

 of Arabic origin.) 



11. CRAMB (Sea Kale). Pouch 2-jointed; upper 

 cell containing one pendent seed, which is supported on 

 a stalk springing from the base of the cell ; lower joint 

 seedless. (Name from the Greek crambe, cabbage.) 



12. SENEBI^RA (Wart Cress). Pouch 2-lobed, rough, 

 not bursting; cells 1 -seeded. (Name in honour of M. 

 Senebier, an eminent Genevese naturalist.) 



** Seed-vessel, a silique or long pod. 

 t Pod opening by two valves. 



13. DENTARIA (Coral-root). Pod narrow, pointed; 

 valves flat, nerveless; seeds in a single row, on broad 

 stalks. (Name dens, a tooth, from the teeth-like divi- 

 sion of the root.) 



14. CARDAMIN^ (Bitter Cress). Pod linear ; valves 

 flat, nerveless, separating with an elastic spring ; seeds 



