XX 
LINNjEAN method. 
ft Flowers glumaceous, imbricated. 
5. CYPERACEiE. Leaves with entire sheaths, p. 487. 
** Leaves with stipules adnute to their petiole. 
6. Alchemilla. Perianth single, inferior, turbinate. Style lateral. 
Stigma entire, p. 132. 
Ord. II. Digynia. 2 styles. 
7. Callitriche. Plowers axillary, solitary. Fruit with 4 cells 
and seeds. — Leaves opposite. Aquatic or marsh plants, 
p. 387. 
8. Festcca. Flowers imbricated, glumaceous. Fruit a caryopsis, 
1 -seeded. — Leaves alternate. Terrestrial grasses, p. 556. 
Class II. DIANDRIA. 2 stamens. 
Order I. Monogtnia. 1 style. 
* Perianth double, inferior. 
f Corolla monopetalous, regular. 
1. Ligustrum. Cor. 4-cleft. Berry 2-celled. p. 278. 
ff Corolla monopetalous, irregular. Seeds inclosed in a pericarp which 
forms one piece. 
2. Veronica. Cor. 4-cleft, rotate, not spurred. Caps. 2-celled. 
p. 304. 
3. LENTIBULARIACEJE. Cor. ringent or personate, spurred. 
Caps. 1-cellcd. p. 340. 
fff Corolla monopetalous, irregular. Germen and fruit deeply 4 -lobed, 
or apparently formed of 4 naked seeds. 
4. LABIATiE. — (Lycorus and Salvia.) p. 320. 
ffff Sepals and petals 4. 
5. CRUCIFERjE. p. 21. 
** Perianth double, superior. 
6. Circle A. Petals 2. p. 145. 
. *** Perianth single and inferior or none. 
7. Fraxincs. Perianth 0. Caps. 2-celled, compressed, foliaceous 
at the extremity. — Trees, p. 278. 
8. CRUCIFERaE. Perianth 4-leaved. — Herbaceous plants, p. 
21 . 
