I. RANUNCULACEiE 



3 



Stamens 



f I Placentas several^ parietal, or cells of fruit l-seeded. Anthers not 



opening hy recurved valves, 



[31. TAMARicACEiE. Placeiitas 3. Seeds comose.] 

 10. Droseraceje. Placentas 3 — 4. Seeds not comose, 

 6. Cruciferje. Placentas 2, or apparently only 1. Style 1. 

 usually tetradynamous. 



ftt Ovary l-celled, with 1 placenta. Anthers opening by recurved valves, 



% Bereeridace^. 



4 



J 



fttt Ovary with 2 or more cells and axile placentas, 



§ Petals imbricated in cestivationM 



19. Acerace^e. Style 1, bifid. Fruit 2-celled, 2— 4-seeded, winged. 



Leaves opposite, exstipulate. 

 23. Staphyleace^. Stamens 5, inserted below the margin of a large 



hypogynous disk. Styles 2 — 3. Ovary and wingless fruit 2 — -3- 



celled. Seeds globose, few, bony. Leaves pinnatifid, stipuled, 

 [37. SAXIFRAGACE.E. Stamens 10. Styles 2, Ovary 2-celled. Fruit 



many-seeded, wingless. Leaves without stipules. 



51. Pyrolace^. Stamens 8 — 10 ; anthers opening by pores. Style 



and stigma 1. Ovary 4 — 5-celled, many-ovuled. Leaves without 

 stipules. 



52. Monotropace^. Stamens 8 — 10; anthers opening transversely. 



Style and stigma 1. Ovary 4 — 5-celled, many-ovuled. Leaves 

 wanting.] 



13. Elatinace^. 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. Linace/E. Stamens 4—5. Stigmas 3—5. Ovary 3 — 5-celled. 



Fruit G— 10-celled, 6 — 10-seeded. Leaves exstipulate, entire. 

 22. Oxalidace^e. Stamens 10. Stvles 5. Ovarv, 5-celled. Seed-coat 



fleshy, bursting elastically. Leaves alternate, exstipulate. 



20. Geraniace^. Stamens 10. Style 1. Stigmas 5. Ovary 5-celled. 



Fruit 5-celled, 5--seeded, with a long beak. Leaves stipuled. 



ing. 



Ord. I. RANUNCULACE^ Juss. 



Calyx of mostly 5, rarely 3 or 6, pieces or sepals, frequently 

 deformed. Petals 5 or more, often deformed, sometinaes want- 



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, Ernbryo straight, in the base of a horny albu- 

 men — Herbs or shrubs. Leaves often divided^ with more or less 

 dilated stalks. Acrid and poisonous. some*of them eminently so, 

 especially Aconitum. 



B 2 



