CLASSES, ORDERS, AND GENERA. 
XXIX 
2. Frankenia. Cal. of 1 piece, tubular. Pet. 5, free from the 
calyx. Stamens mostly alternate with the petals. Caps. 
1-celled, many-seeded, p. 53. 
3. LYTIIRACEiE. Cal. of 1 piece. Pet. 6, inserted upon the 
calyx. Stam. alternate with the petals, p. 147. 
4. PRIMULACE-iE. Cor. monopetalous, rotate, 6-partite, with 
the stamens inserted on it and opposite to its lobes. — (Trien- 
talis and Lysimachia.) p. 343. 
** Perianth single, superior, petaloid. Monocotyledonous plants. 
Leaves parallel-veined. 
5. AMAR YLLIDACEyE. Flowers from a spatha, but not upon a 
spadix, p. 443. 
*** Perianth single, inferior. 
f Stipules none. 
6. Acords. Flowers arranged closely upon a thick spadix. Peri- 
anth of 6 coloured scales, p. 476. 
7 LILIACEiE. Flowers not upon a spadix. Perianth petaloid, 
deciduous or marcescent, never coriaceous or hard when 
withered, p. 446. 
8. Gagea. Flowers corymbose, not upon a spadix. Perianth of 6 
persistent coloured (yellow) leaves. Stam. glabrous. Anthers 
erect, p. 456. 
9. Nartiiecium. Flowers racemose, not upon a spadix. Perianth 
of 6 persistent (yellow) leaves, somewhat coriaceous and ul- 
timately hardened. Filaments woolly. Seeds with an appen- 
dage at each end. p. 468. * 
10. JUNCACEA2. Flowers not upon a spadix. Perianth dry and 
glumaceous, of 6 pieces, p. 460. 
1 1 . Pepeis. Flowers axillary, not upon a spadix. Perianth her- 
baceous, campanulate, with 6 large and 6 small teeth. — 
Dicotyledonous plants with opposite leaves, p. 148. 
f f Leaves with sheathing stipules. Dicotyledonous plants. Leaves 
netted-veined. 
12. Polygonum. Flowers not upon a spadix. Perianth coloured, 
5-partite. — Leaves alternate, p. 369. 
Ord. II. Digynia. 2 styles. 
13. Oxyria. Perianth single, of 4 leaves. Achene with abroad 
membranous margin, p. 377. 
14. Polygonum. Perianth single, 5-partite. Achene wingless. 
p. 369. 
Ord. III. Trigynia. 3 styles. 
* Perianth single. Leaves verlicillate, netted-veined, without stipules. 
15. Paris. Perianth of 6 leaves, the three inner subulate. Anthers 
on the side of the filament. Stigmas simple, p. 446. 
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