Kaempferi. Are beardless, producing having the appearance of the clematis and they vary considerably in size. They may be propagated by division immediately after flowering or by the in the moist soil where the plants are to bloom. The ripened seed is gathered in September when it may be sown in of peat and loam and wintered under glass, or it may be sown in the open ground where the plants will appear the following spring. The plants must be kept free of lime – they enjoy a soil quite acid in nature which is another way in which they differ from their near relations.
- Dark Clouds. A lovely variety bearing double flowers of dark violet-blue with a bright yellow blotch.
- Gei-Sho-Ui. A strong grower, the white blooms are attractively edged with rose.
- Hercule. Bearing a very large bloom of lavender-blue, flushed purple.
- Moonlight Waves. Bears a huge double-white bloom with striking yellow blotch.
- Purple East. A taller-growing variety, the deep purple blooms being single and most outstanding.
- Tiger Dance. The pale blue flowers are veined violet and crimson.
- Iris Delavayi. Very tall-growing, the blooms carried on reaching 6 ft. tall. It blooms late in June, the flowers being deep violet.
- Iris laevigata. Queen. A superb June-flowering variety for the water-side, covering itself with rose pink flowers.
- Iris Siberica. Suitable both for the water-side or for planting in a border provided sufficient moisture can be retained in the soil. As it requires the same cultural treatment as all the moisture-loving irises, it should be planted in a where it may receive this treatment.
- I. Siberica Baxteri. Rich violet-blue with white falls attractively veined violet.
- I. Siberica Bleu Celeste. Produces bright flowers of rich Cambridge blue.
- I. Siberica Caesar. A new variety bearing deep violet flowers of exceptional beauty.
This is a June-flowering species for the water-side, of dwarf habit, bearing its pretty flowers on 2-ft. Long stems. The varieties, China Blue and Royal Purple are the best, their names being a true description of their colour.