208 



APPENDIX II 



19. Castalia. Flowers white; sepals 4, green 

 petals numerous, on disk or base of ovary; fruit a 

 berry, many-seeded. 



Order 4. PAPAVERACE^B 



20. Papaver. Petals 4; stamens numerous 

 stigma a 4-2O-rayed, nearly sessile disk; fruit a 

 capsule; opening by pores. 



21. Meconopsis. Petals 4; stamens numerous 

 stigma 5 6-rayed, free; style short, club-shaped 

 fruit a capsule, oblong, opening by pores. 



22. Glaucium. Flowers large; petals 4; stamens 

 numerous; stigmas 2; fruit a capsule, 2-celled; 

 seeds not crested. 



23. Rcemeria. Flowers violet; petals 3; stamens 

 numerous ; stigmas 2-4, radiant ; fruit a capsule, 

 2-4-valved, i -celled; seeds not crested. 



24. Chclidonium. Flowers yellow, small; petals 

 4; stigmas 2; fruit a capsule, 2-valved; seeds 

 crested. 



Order 5. FUMARIACE^ 



25. Corydalis (Caf>noides). Flowers irregular; 

 sepals 2, or o; petals 4, upper spurred below; 

 stamens diadelphous; fruit a pod, 2-valved; many- 

 seeded, opening. 



26. Fumaria. Sepals 2; petals 4, upper spurred 

 below; stamens diadelphous; fruit a nut, i-seeded, 

 not opening. 



Order 6. CRUCIFER.S 



27. Matthiola. Flowers purple; stigma 2-lobed, 

 lobes erect, gibbous or horned on back; fruit a 

 pod, round or flattened, linear. 



28. Cheiranthus. Flowers yellow; lateral sepals 

 saccate; lobes of stigma spreading; pod compressed 

 or 2-edged, with rib on each valve; seeds in single 

 row in each cell. 



29. Radicula (Nasturtium). Pods round in sec- 

 tion, short, linear; valves turgid, nerveless; seeds 

 in 2 irregular rows, small. 



30. Barbarea. Pod round or 4-angled in sec- 

 tion, linear; valves convex, with longitudinal rib; 

 seeds in i row, oblong. 



31. Arabis. Pods flattened, linear; valves not 

 elastic, i-nerved with prominent rib; seeds in i 

 or 2 rows. 



32. Cardamine. Pod flattened; valves elastic, 

 nerveless; funicle slender. 



33. Dentaria. Like 32, but funicle dilated. 



34. Alyssum. Petals entire; filaments simple 

 or toothed, shorter with a gland each side below, 

 pouch compressed, oval; seeds 2-4 in each cell. 



35. Draba. Petals entire; filaments simple; 

 pods oblong, flat, seeds in 2 rows, not margined. 



36. Erophila. Petals notched; pods oblong, 

 linear, turgid. 



37. Cochlearia. Petals entire; filaments simple; 

 pouch round, turgid; valves convex, dorsal vein 

 prominent; seeds many. 



38. Hesperis. Stigma 2-lobed, lobes erect, de- 

 current on style; pod 4-sided or flattened, valves 

 keeled, 3-veined; seeds in single row. 



39. Sisymbrium. Stigma blunt; pods round 

 in section or 4-angled; valves convex, 2-nerved; 

 seeds in i row, smooth, funicle slender. 



40. Erysimum. Stem leaves not heart-shaped; 

 stigma blunt; pod 4-edged; valves with prominent 

 rib, and i longitudinal vein; seeds in i row, 

 funicle slender. 



41. Conringia. Like 39, but stem-leaves heart- 

 shaped, clasping; flowers white. 



42. Camelina. Stem-leaves stalkless, auricled; 

 pod sub-oval; valves inflated, with projection 

 adnate to style, i -nerved; seeds numerous in 

 2 rows. 



43. Subularia. Aquatic, scapigerous; leaves 

 awl-like; pod oval, flattened, valves boat-shaped; 

 cells 4-seeded. 



44. Brassica. Flowers yellow ; calyx erect ; 

 pods round in section or angled, beaked; seeds in 

 i row, round. 



45. Diplotaxis. Flowers yellow; calyx spread- 

 ing; pods flattened, seeds in 2 rows, flattened. 



46. Capsella (Bursa). Flowers white; silicic 

 triangular, inversely heart-shaped; valves flat- 

 tened, keeled ; seeds many. 



47. Coronopus (Senebiera). Silicic wrinkled, 

 didymous, not opening, kidney-shaped, entire at 

 end, or notched above and below, 2-jointed, 2- 

 seeded. 



48. Lepidium. Petals equal; silicle round, ob- 

 long, entire or notched, valves flat, keeled; cells 

 i-2-seeded. 



49. Thlaspi. Petals equal; filaments without 

 scales, simple; silicle round, notched, inversely 

 ovate; valves winged; seeds 4-8 in each cell. 



50. Iberis. Petals unequal, 2 outer larger; 

 filaments simple; silicle rounded, notched; valves 

 boat-shaped, keeled, winged at back; seeds i in 

 each cell. 



51. Teesdalia. Petals unequal; filaments with 

 scales at base; silicle round or oblong, notched; 

 valves boat-shaped, keeled below, slightly winged 

 above; seeds 2 in each cell. 



52. Hutchinsia. Petals equal; filaments with- 

 out scales; silicle elliptic, entire, oblong; valves 

 boat-shaped, keeled, not winged at back; seeds 

 2 in each cell. 



53. Isatis. Silicle indehiscent, i-celled, i- 

 seeded, flat, oblong; valves keeled, at length 

 separating. 



54. Crambe. Silicle, 2-jointed, lower joint 

 slender, seedless, upper round, i-seeded. 



55. Cakile. Silicle angular; joints 2, indehis- 

 cent, i-seeded, upper deciduous, sessile, ensiform 

 with an erect seed; lower persistent, seedless, or 

 with i pendent seed, inversely conical, 2-edged. 



56. Raphanus. Pod jointed, linear, oblong, 

 apered above, indehiscent, or moniliform and 



divided into i -seeded cells, lower seedless, 2-valved. 



Order 7. RESEDACE.B 



57. Reseda. Calyx many-partite, sepals di- 

 vided; petals unequal; stamens 10-40; styles 3-6; 

 ruit i-celled. 



