172
ONAGRARIEÆ.
[Epilobium.
Stout, ¾–2 ft. Leaves close-set, ovate or ovate-oblong. Flowers small, 16–15 in. diam., red | 3. E. Billardierianum. |
Slender, ½–3 ft. Leaves lanceolate or linear-lanceolate. Flowers small, 16–15 in. diam., purplish | 4. E. junceum. |
** Leaves distinctly petiolate. | |
Slender, ½–2 ft. Leaves ovate or ovate-oblong, membranous. Flowers 15–14 in., white or pink | 5. E. pubens. |
B. Microphyllæ. Stems small, slender, herbaceous, creeping below, erect or ascending towards the tips. Flowers few, towards the ends of the branches. | |
* Fruiting peduncles short, seldom exceeding the leaves. | |
Stems 2–6 in., prostrate, matted. Leaves close-set, oblong, ¼–½ in. Capsule glabrous | 6. E. confertifolium. |
Stems 3–10 in., ascending. Leaves linear-oblong, coarsely toothed, blotched, ½–¾ in. Capsule evenly hoary-pubescent | 7. E. pictum. |
** Fruiting peduncles elongated. | |
† Leaves comparatively narrow, linear or linear-oblong to oblong. | |
Stems 1–4 in. Leaves linear or linear-oblong, 15–12 in. Capsule slender. Peduncles much elongated | 8. E. tenuipes. |
Stems 2–6 in. Leaves linear-oblong to oblong, ¼–½ in. Capsule pubescent on the angles | 9. E. Hectori. |
†† Leaves broad, oblong to ovate or orbicular. | |
Stems 2–10 in., slender, pubescent. Leaves small, 15–12 in., broadly oblong to orbicular. Capsule evenly pubescent | 10. E. alsinoides. |
Stems 6–18 in., slender, firm. Leaves ovate-cordate. Flowers large, ⅓ in. diam. Capsule 1–2 in. | 11. E. chloræfolium. |
Stems 6–18 in., weak and flaccid. Leaves distant, ovate, entire or obscurely toothed, almost sessile, membranous | 12. E. insulare. |
Stems 6–18 in., weak. Leaves distant, orbicular, sharply toothed, petiolate, membranous | 13. E. rotundifolium. |
C. Sparsifloræ. Stems small, slender, prostrate and creeping, herbaceous. Flowers few, in the axils of the intermediate leaves. Capsules long-stalked. | |
Leaves ¼–½ in., orbicular, sharply toothed, membranous | 14. E. linnæoides. |
Leaves 18–13 in., suborbicular, entire or obscurely sinuate, subcoriaceous | 15. E. nummularifolium. |
Leaves ¼–½ in., orbicular-oblong, thick and coriaceous, purplish below | 16. E. purpuratum. |
Leaves ¼–¾ in., ovate, obscurely toothed. Flowers large, ¼–⅓ in. diam. | 17. E. macropus. |
D. Dermatophyllæ. Suffruticulose, usually small, stems hard and woody at the base. Leaves more or less rigid and coriaceous. Flowers few, terminal or nearly so. | |
* Fruiting peduncles elongated. | |
Much branched, slender, wiry, bifariously pubescent, 3–6 in. high. Leaves ovate, petiolate, ¼–⅔ in. | 18. E. gracilipes. |
Stout, fleshy, prostrate, glabrous, 2–6 in. long. Leaves large, obovate-spathulate, entire, ¾–1½ in. | 19. E. crassum. |
** Fruiting peduncles short. | |
Stems prostrate or straggling, glabrous, woody at the base, 6–15 in. Leaves elliptic, coriaceous and shining, reddish, acute, petioled, ¾–1 in. Flowers ¼–⅓ in. | 20. E. brevipes. |