CRUCIFEROUS TRIBE 43 



cells 2-seeded ; stamens having a small scale at the base of each, within. 

 Named in honour of Mr. Teesdale, of Yorkshire. 



5. Pepper- WORT (Lq)idium). — Pouch roundish ; valves keeled ; cells 

 1 -seeded; petals equal. Name from the Greek Idpis, a scale, from the shape 

 of the pouches. 



6. Candy-tuft {IMris). — Pouch blunt ; valves keeled or winged ; cells 

 1 -seeded; petals unequal. Name from Iberia, Spain, where many species 

 grow wild. 



7. Scurvy-grass (Cochledria). — Pouch globose, or nearly so ; valves not 

 flattened ; seeds numerous. Name from cochlear, a spoon, from the shape of 

 the leaves. 



8. AwL-WORT (Subuldria). — Pouch oval ; valves flattened, boat-shaped ; 

 seeds several. Name from subula, an aAvl, from the shape of the leaves. 



9. Whitlow-grass (Drdba). — Pouch oval, or oblong ; valves slightly con- 

 vex ; seeds many, in two rows. Name from the Greek drabd, acrid. 



10. Camelina. — Pouch oval; valves inflated, with a prominent nerve at 

 the base ; cells many-seeded. Name from ciiamm linum, dwarf flax. 



11. KoNiGA. — Pouch oval; valves flattened; cells 1-seeded. Name in 

 honour of Mr. Konig, of the British Museum. 



t t Pouch without a central vertical partition ; or l-cellecl, 

 aiul 1-seeded. 



12. Sea-Rocket (CaJciU). — Pouch angular, with a horizontal joint ; lower 

 division containing a pendent seed, the upper an erect seed. Name of Arabic 

 origin. 



13. Sea-Kale (CramM). — 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 brimbd, a cabbage. 



14. Wart-CRESS (Con'mopus). — Pouch 2-lobed, rough, not bursting; cells 

 1 -seeded. Name from the Greek coivnd, a crow, and pons, a foot, from the 

 shape of the leaves. 



15. IsAtis. — Pouch flattened, 1-celled, 1-seeded; valves keeled. Name 

 from the Greek isazo, to render equal, because supposed to destroy all rough- 

 nesses of the skin. 



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

 t Pod opening by two valves. 



16. Coral-root (i)^7«ima). — Pod narrow, pointed; valves flat, nerveless ; 

 seeds in a single row, on broad stalks. Name, dens, tooth, from the tooth-like 

 scales of the root. 



17. Bitter-cress (Cardamine). — Pod linear; valves flat and nerveless, 

 separating with an elastic spring ; seeds in a single row, on thread-like stalks. 

 Name from the Greek cardia, the heart, and damao, to fortify, from its sup- 

 posed strengthening properties. 



18. Rock-cress {Arcdns). — Pod linear ; valves flat, nerved, or veined ; 

 stigma nearly sessile, obtuse; seeds in a single row. Name, from being 

 originally an Arabian genus. 



19. Tower Mustard (^«;•?•//^■s). — Pod linear, 2-cdged; valves prominently 



6—2 



