XXVI 
LINN^AN METHOD. 
fff Flowers very irregular, with a spur. 
20. Impatiens. Cal. and cor. together, composed of 6 pieces, two 
outer and lateral ones deciduous. Germen 5-celled. Caps, 
of 5 elastic valves, p. 87. » 
21. Viola. Cal. of 5 leaves, extended at the base, persistent Pet. 5. 
Germen 1-celled. Caps. 3-valved. p. 46. 
***** Perianth double, superior. Cor. of 5 petals. 
22. Ribes. Cal. 5-cleft, bearing the petals and the stamens. Style 
divided. Germen and berry 1-celled, many-seeded, p. 158. 
23. Hedera. Cal. 5-toothed. Pet. and stam. inserted at the top of 
the germen. Germen 5-celled. Berry 3 — 5-seeded. p. 190. 
24. Cornus. Cal. 5-toothed. Pet. and stam. inserted at the top of 
the germen. Germen 2-celled. Ovules solitary in each cell, 
p. 190. 
****** Perianth single. 
25. Glaux. Perianth inferior, campanulate, coloured, of 1 piece, 
5-cleft. Stamens alternate with its lobes, p. 346 
26. PARONYCHIACEiE. Perianth inferior, of 5deaves. Stam. 
opposite to the leaves of the perianth, with 5 alternating su- 
bulate scales or filaments, p. 150. 
27. CHENOPODIACEJE. Perianth inferior, deeply 5-cleft. Stam. 
opposite to the segments of the perianth, without alternating 
filaments. Style 2 — 3-partite. p. 358. 
28. Thesium. Perianth superior. Stam. opposite to the lobes of 
the perianth, p. 379. 
Ord. II. Digynla. 2 styles. 
* Perianth double, inferior. Cor monopetalous. 
29. GENTIANACEiE. Germen 1-celled, many-seeded. Caps. 
2-valved. — Leaves opposite, p. 280. 
30. Cuscuta. Germen 2-celled, 4-seeded. Caps, bursting all round 
transversely at the base, 2-celled, with the cells 2-seeded. — 
Parasitical leafless plants with filiform twining stems, p. 286. 
** Perianth double, superior. Pet. 5. Seeds 2. 1 
31. U MBELLIE ER A2. p. 165. 
*** Perianth inferior. Pet. 5 or wanting. 
32. Staphtlea. Cal. coloured, 5-cleft, with an urceolate disk at the 
base. Pet. 5, as long as the calyx. Caps, membranous, 
with several bony seeds. — Shrubs, with compound leaves and 
deciduous stipules, p. 91. 
1 In this division so much of the calyx is incorporated with the germen, and so 
minute are the segments or free portion of the limb, that at first sight, as in Ru- 
biacea belonging to Cl, IV. Ord. I., it would appear as if there were no calyx. 
