CLASSES, ORDERS, AND GENERA. XXlii 
Petals pcrigynous, inserted into the margin of the disk. 
Stam. alternate with the petals. Germen 3 — 4-cellcd. p. 92. 
10. CoRNtrs. Cal. of 4 teeth. Pet. without a nectary, superior. 
Germen 2-cclled. p. 190. 
**** Perianth single. 
11. Maiantiiemdm. Perianth inferior, petaloid, 4-partite. Stamens 
inserted into the base of the segments of the perianth, and 
opposite to them. Germen 2-celled. — Leaves alternate, pa- 
rallel-veined, without stipules, p. 449. 
12. Pariktaria. Perianth inferior, 4-cleft, campanulate. Stam. 
inserted upon the lobes of the perianth and opposite to its 
segments. Fruit 1 -seeded. — Leaves netted- veined, with 
minute stipules, p. 391. 
13. 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 adher- 
ing to their petiole, p. 132. 
14. Sanguisokba. Perianth inferior, 4-lobed, with 4 scales or 
bracteas at the base. Stam. inserted into the mouth of the 
perianth, opposite to its lobes. Germen 1-seeded. — Leaves 
alternate, with conspicuous stipules adhering to their petiole, 
p. 133. 
15. Isnakdia. 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. 145. 
16. Thesicm. 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. 
379. 
Ord. II. Digynia. 2 styles. 
* Perianth double. Leaves opposite or none. 
17. Bdffonia. Cal. of 4 leaves. Cor. of 4 petals. — Leaves oppo- 
site. p. 64. 
18. Gentiana. Cal. 4-cleft. Cor. monopetalous, 4-cleft. Capsule 
1- celled, many-seeded, 2-valved at the apex. — Leaves oppo- 
site. p. 282. 
19. Cuscuta. Cal. 4-cleft. Cor. monopetalous, 4 -cleft. Capsule 
2- celled, 4-seeded, opening transversely. — Leaves wanting. 
p. 286. 
** Perianth single. Leaves alternate with adnate stipules. 
20. Alchemilla. Perianth 8-cleft; stamens alternate with its 
inner lobes, p. 132. 
21. Sanggisorba. Perianth 4-cleft ; stamens opposite to its lobes. 
p. 133 
