CLASSES, ORDERS, AND GENERA. 



posite to them. Germen 2-celled. — Leaves alternate, pa- 

 rallel-veined, without stipules, p. 445. 



11. Partetaria. Perianth inferior, 4--fid campanulate. Stam. 



inserted upon the lobes of the perianth and opposite to its seg- 

 ments. Fruit 1-sceded. — Leaves netted-veined, with minute 



stipules, p. 384. 



12. Alchemilla. Perianth inferior, 8-cleft, the four alternate and 



outer segments the smallest. Stam. inserted into the mouth 

 of the perianth, alternate with its larger lobes. - Germen 

 1 -seeded. — leaves alternate, with conspicuous stipules ad- 

 hering to their petiole, p. 134. 



13. Sangcisorba. Perianth inferior, 4-lobed, with 4 scales or brac- 



teas at the base. Stam. inserted into the mouth of the peri- 

 anth, opposite to its lobes. Germen 1-seeded. — Leaves al- 

 ternate, with conspicuous stipules adhering to their petiole. 



p. 135. 



14. IsNARDiA. Perianth superior, its limb 4-partite. Stamens in- 



serted at the bottom of the limb of the perianth, and oppo- 

 site to its leaves. Germen 4-celled. Capsule many-seeded. 

 — Leaves opposite, without stipules. • p. 146. 



15. Thesium. Perianth superior, the limb 4-cleft. Stamens in- 



serted at the base of the lobes of the perianth, and opposite 

 to them. Germen 1-celled. Fruit drupaceous, 1-seeded. p. 



372. 



a 



Ord. IL DiGTNiA. 2 styles. 



* Perianth double. Leaves opposite or none*', 



16. BuFFONiA. Cal. of 4 leaves. Cor. of 4 petals. — Leaves oppo- 

 site, p. 64. 



Gentiana. Cal. 4 cleft. Cor. monopetalous, 4-cleft. Capsule 

 1-celled, many-seeded, 2-valvcd at the apex. — Leaves oppo- 

 site, p. 277. 



CuscuTA. .Cal. 4-cleft. Cor. monopetalous, 4-cleft. Capsule 



2-cellcd, 4-seeded, opening transversely. — Leaves wanting. 



p. 281. 



17. 



18. 



** 



Perianth single. Leaves alternate with adnate stipules. 



19. Alchemilla. Perianth 8-cleft; stamens alternate with its 



inner lobes, p. 134. A 



20 Sanguisorba. Perianth 4.cleft ; stamens opposite to its lobes. 



p. 135. 



Ord. III. Tetragtnia. 4 styles. 



i 



21. CARY.OPHYLLACEiE. Cal. of 4 leaves. Pet. 4, or none. 



Filaments conspicuous. Caps. 1-celled, several-seeded. — 

 Leaves opposite, p. 54. 



22. Rabiola. Cal. of 4 leaves, united up to their middle, each 



