Cochlearia.] TETRADYNAMIA — SILICULOSA. 243 



the bottom of tlie cell; lower joint abortive, resembling a 

 pedicel. Cotyledons conduplicate '(o»). — Name, — xsa;^po; of 

 the Greeks. 



3. CoRoNOPUS. Pouch 2-lobed, without valves or wings. 

 Seeds solitary in each cell. Cotyledons linear, incumbent (o|| ). 

 — Named from -/.o^oivn, a Crow, and ■;rojc, a foot ; the cut leaves 

 somewhat resembling a bird's foot. 



4. IsAtis. Pouch 1-celled, 1-seeded, laterally compressed; 

 valves keeled, eventually separating. Cotyledons incumbent ; 

 (o||). — Named from iga^o}, to tjiake even; because it was 

 supposed to have the property of reducing inequalities of the 

 skin. 



5. Vella. Pouch swollen, with a dilated, flat, winged style, 

 twice as long as the valves. Cotyledons conduplicate (o^^). 

 Cal. erect. — Named from veler, in Celtic, the Cress. 



6. ThlAspi. Pouch laterally compressed, emarginate; 

 valves winged at the back, many-seeded. Cotyledons accum- 

 bent (o^). — Named from ^Xaw, to Jlatten ; on account, proba- 

 bly, of its compressed seeds or seed-vessels. 



7. Capsella. Pouch laterally compressed, obcordato- 

 cuneate ; the valves sharply keeled, without wings, many-seeded. 

 Cotyledons incumbent (o ||). — Name, — the diminutive of CVr/?- 

 sula ; a little capsule or box. 



8. HuTCHiNSiA. Pouch elliptical, entire ; the valves keeled, 

 without wings ; cells 2-seeded. Filaments simple. Cotyledons 

 accumbent (o=r). Br. — Named in honour of the late 3Iiss 

 Hutchins, of Bantry, Ireland, who explored most successfully 

 the Botany of her native country, and added many new species 

 to its Cryptogamia. 



9. Teesdalia. Pouch emarginate ; the valves keeled ; the 

 cells 2-seeded. Filaments having a little scale within at the 

 base. Cotyledons accumbent (o r=). Br. — Named in honour of 

 Mr Robert Teesdale, a Yorkshire Botanist. 



10. Iberis. Pouch emarginate ; valves keeled and winged ; 

 cells 1-seeded. Petals unequal. Cotyledons accumbent (o =). 

 Br. — Named from Iberia, or Spai7i; where many of the species 

 grow. 



11. LEpfoiUM. Pouch with the cells one-seeded ; the valves 

 keeled. Petals equal. Cotyledons incumbent (o||); rarely 

 accumbent (o r=). Br. — Name, — Xst/s, a scale, from the form 

 of the little pouches. 



12. Cochlearia. Pouch oval or globose, many-seeded; 

 the valves turgid. Filaments simple. Seeds not margined. 



