34 CRUCfFERTE 



22. CoRONi'ii'US. — /^('(/ reiiiform, 2-lobcd, indehiscent, 2-seeded. 



23. Lepi'iiiuiM. — Fod roundish, compressed, keeled, 2 — 4- 

 seeded. 



Tribe 7. T/i/aspiJciC. Cotrlcdims acciiiiiliciit ; jlnwcrs ivliite 



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

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



25. Ibkris. — Petals unequal ; /(^;/ 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; fod elliptic, entire; valves 

 boat-shaped, keeled; seeds j^. 



Sul'-order I]'. I.onieiitdecce. /■'iiiil i/idelilseeiit oy loiiieiitareoiis 



I'lihe 8. Isatidew. Pod iitdelilseeiit, \-eliambered, i-seeded ; 

 cotyledons iiieuinbenf 



*2S. IsATis. /W compressed ; z'^/z.w keeled. 



Tribe 9. Cakilhieic. Lomeutum 2-joliited 



29. (^RAAiRK. — Lower joint seedless ; upper i-seeded. 



30. CakIi,!;. -Each joint i-seeded. 



Tribe 10. Raplidiieo:. I.oiiieiifum taperln;e; or inoiioliform, 

 liianv-seeded 



31. Rai^hanus. — I\id smooth, inflated; style persisting as a 

 beak. 



I. M.vtthi'ola (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. yl/, si II lid /a (Great Sea Stock). — St(rii 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 — Augirst. 

 Biennial. 



2. d\f. iiieCuia (Hoar)' Shrubby Stock). — Stem shrubby, erect, 

 branched, 1 — 2 feet, hoary; haves lanceolate, generally entire, 

 hoary ; plo'ivers i — 2 in. across, purple ; pods eglandular. — Cliff's in 

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

 Stock " of gardens. 



*2. Cheikanthu.s (Wallflower). -Herbs, sometimes shrubby, 

 pubescent witlt adpressed bipartite hair^; sepals erect ; petals \;'\\\\ 



