2 RANUNCULACE.E. 



Ord. 7. RESEDACE.E. Sepals several, narrow. Petals laciniated. 

 Stamens 10, sometimes more. Capsule when young opening at 

 the top and showing the seeds. 



Ord. 20. BALSAMINACE^E. Lowest sepal cucullate and spurred. 

 Stamens 5 ; filaments united at the apex. 



ft Flowers regular or nearly so. 

 a. Ovary solitary, one-celled, or ivith a false dissepiment. 



Ord. 2. BERBERIDACE^E. Anthers valvate. Petals glandular 

 at the base. Stamens opposite to the petals. 



Ord. 6. CRTTCIFER^E. Petals 4, distinct. Stamens tetradyna- 

 mous. Pod with a false dissepiment. Flowers generally corymbose. 



Ord. 10. DROSERACE.^. Leaves clothed with glandular hairs, 

 circinate in vernation ; ovary 1 -celled. Capsule with 3 5 

 placentas, many-seeded. 



Ord. 13. CARYOPHYLLACE^;. Leaves opposite. Stem swollen 

 at the joints. Capsule with a free central placentation at the 

 summit, sometimes axillary below. 



b. Ovaries 2 or more celled. 



Ord. 14. LINAGES. Leaves entire. Petals convolute in aesti- 

 vation. Fruit 6 10 celled. 



Ord. 12. ELATINACEJS. Leaves opposite, entire, stipulate. 

 Fruit 3-celled. Seeds striated. 



Ord. 18. ACERACE^;. Leaves lobed. Fruit winged (a double 

 samara). Trees. 



Ord. 19. GERANIACE^E. Leaves deeply cut. Fruit with a long 

 beak. Stamens monadelphous, 



Ord. 21. OXALIDACE^E. Leaves ternate. Petals 5, twisted in 

 aestivation. Stamens 10. 



GENERA OP THALAMIFLORaE. 



ORD. 1. RANUNCULACE^. 



Tribe 1. CLEMATIDE^:. Cal. valvate or induplicate in bud. 

 Fruit ending in a feathery awn. 



1. CLEMATIS. Pet. none. 



Tribe 2. ANEMONES. Cal. and Cor. imbricated in the bud. 

 Pet. without a pore at the base. 



2. THALICTRTJM. Cal. of 4 5 sepals. Cor. none. Involucre none. 



3. ANEMONE. Involucre of 3 cut le. distant from the fl. Pet. none. 



4. ADONIS. Cal. of 5 sepals. Cor. of 510 pet. without a pore 



at the base. 



