34 CRUCfFER^ 



22. CoRONOPUS. — J^od leniform, 2-lobed, indehiscent, 2-seeded. 



23. Lepidium. — Fod roundish, compressed, keeled, 2 — 4- 

 seeded. 



Tribe ^. Thlaspidece. Cotyledons accumbent ; flowers white 



24. Thlaspi. — Petals equal ; pod rounded, flat, notched ; 

 valves boat-shaped, winged at the back ; seeds numerous. 



25. Iberis. — Petals unequal; /d^^/ ovate, notched; valves boat- 

 shaped, winged at the back ; seeds 2. 



26. Teesdalea. — Petals unequal ; pod roundish, notched ; 

 valves boat-shaped, keeled ; seeds 4. 



27. HuTCHiNSiA. — Petals equal; pod eUiptic, entire; valves 

 boat-shaped, keeled ; seeds 4. 



Sub-order IV. Lomentdcece. Fruit indehisce?it or loiimitaceous 



Tribe 8. Isatidece. Pod indehiscent, \-chanibered^ i-seeded ; 

 cotyledons incumbent 



*28. IsATis. — 7^<?^ compressed ; valves \j&€i^di. 



Tribe 9. Cakil'mece. Lomentum 2-jointed 



29. Crambe. — Lower joint seedless ; upper i-seeded. 



30. Cakile. — Each joint i-seeded. 



Tribe i o. Raphdfiece. Lo77ientum tapering or monoliform, 

 many-seeded 



31. Raphanus. — Pod smooth, inflated; style persisting as a 

 beak. 



I. Matthiola (Stock). — Herbs, sometimes shrubby, downy 

 with stellate hairs ; sepals erect ; petals with long claws ; seeds 

 winged. (Named in honour of Matthiolus, an Italian physician.) 



1. M. si7iudta (Great Sea Stock). — Ste?n herbaceous, spreading 

 I — 2 feet ; leaves oblong, downy, the lower ones sinuate-toothed ; 

 flowers I in. across, purple, fragrant by night ; pods rough, 

 glandular. — South and south-west coasts. — Fl. May — August. 

 Biennial. 



2. M. incdfia (Hoary Shrubby Stock). — Stem shrubby, erect, 

 branched, i — 2 feet, hoary; leaves lanceolate, generally entire, 

 hoary ; floivers i — 2 in. across, purple ;/^^.y eglandular. — CHffs in 

 the Isle of Wight. — Fl. May, June. Perennial. The " Queen 

 Stock" of gardens. 



*2. Cheiranthus (Wallflower). — Herbs, sometimes shrubby, 

 pubescent with adpressed bipartite hairs; sepals erect ; petals ^\\k\. 



