I. RANUNCULACEyE. 
3 
■(■j Placentas several, parietal . or cells of fruit 1 -seeded. Anthers not 
opening by recurved valves. 
[31. Tamaricace.e. Placentas 3. Seeds comose.] 
iO. Dkoserace.e. Placentas 3 — 4. Seeds not comose. 
6. Crucifer.®. Placentas 2, or apparently only 1. Style 1. Stamens 
■usually tetradvnamous. 
ftt Ovary 1 -celled, with l placenta. Anthers opening by recurved valves. 
2. Berberidace.e. 
[[ff Ovary with 2 or more cells and axile plucentas. 
§ Petals imbricated in (estivation. 
19. Ackrace.e. Style 1, bifid. Fruit 2-celled, 2 — 4-seeded, winged. 
Leaves opposite, exstipulate. 
[37. Saxikp.agace.-e. Stamens 10. Styles 2. Ovary 2-celled. Fruit 
many-seeded, wingless. Leaves without stipules. 
51. Pyroi.ace.e. Stamens 8 — 10 ; anthers opening by pores. Style 
and stigma 1. Ovary 4 — 5-celled, many-ovuled. Leaves without 
stipules. 
52. Monotropace-e. Stamens 8 — 10 ; anthers opening transversely. 
Style and stigma 1. Ovary 4— 5-celled, many-ovuled. Leaves 
wanting.] 
13. Elatinace.e. Styles 3 — 5. Ovary and fruit 3 — 5-celled. Seeds 
numerous, cylindrical, with a striated testa. 'Leaves entire, oppo- 
site, stipuled. 
§§ Petals convolute in (estivation. 
15. Linage.®. Stamens 4 — 5. Stigmas 3—5. Ovary 3 — 5-celled. 
Fruit 6 — 10-celled, 6 — 10-seeded. Leaves exstipulate, entire. 
22. OxALiDACEyE. Stamens 10. Styles 5. Ovary 5-celled. Seed-coat 
fleshy, bursting elastically. Leaves alternate, exstipulate. 
20. Gf.raniacea:. Stamens 10. Style l. Stigmas 5. Ovary 5-celled. 
Fruit 5-celled, 5-seeded, with a long beak. Leaves stipuled. 
Ord. I. RANUNCULACEiE Juss. 
Calyx of mostly 5, rarely 3 or 6, pieces or sepals, frequently 
deformed. Petals 5 or more, often deformed, sometimes wanting. 
Stamens usually numerous, rarely as few as the petals, and then 
alternate with them. Anthers adnate, mostly reversed. Ovaries 
1 or many, distinct or cohering. Fruit mostly of several 1- 
seeded indehiscent carpels (achenes), or of 1 or more distinct 
or united capsules dehiscing along their inner margin ( follicles ), 
rarely a Berry. Embryo straight, in the base of a horny albu- 
i men. — Herbs or shrubs. Leaves often divided, u ith more or less 
dilated stalks. Acrid and poisonous, some of them eminently so, 
especially Aconitum. 
* Ovaries numerous, short, in several rows, 1 -ovuled. Fruit of achenes. 
1. Clematis. Calyx valvate or induplicate in aestivation. Petals 0. 
2. Thalictrum. Calyx imbricated in aestivation. Petals 0. Invo- 
lucre 0. 
