NATURAL ORDERS 
AND 
ANALYSIS OF THE GENERA. 
1, THALAMIFLORA. 
Petals distinct, and as well as the stamens hypogynous. 
ORDER I. RANUNCULACEA.—Juss. 
Perianth double. Calyx of three to six sepals, sometimes con- 
founded with the petals. Petals three to eighteen, imbricated in 
zstivation, often irregular, rarely wanting. Stamens numerous, free, 
hypogynous. Anthers usually turned outwards. Carpels numerous, 
seated on a torus, one celled, or partially united into a single many 
celled pistil, one or many seeded. Fruit either consisting of dry 
akenia, or berries with more seeds, or follicles, or capsules. Seeds 
with horny albumen. Zmbryo minute, lying in a hollow of tke 
albumen.—Herbs or undershrubs, the leaves alternate or opposite, 
generally divided, with the petiole dilated, and forming a sheath, half 
clasping the stem. Inflorescence variable. 
GENERA. 
Petals regular, or calyx and petals not 
distinguishable. 
Carpels cagonlen, many seeded, de- 
hiscent .. fon Ae wae CALTHA, Vol. 2. 778. 
Carpels single eed een 
Leaves opposite.......... heoneserses CLEMATIS, Ve Ze De (ole 
Leaves radical, or alternate. 
Involucre three leaved at some 
distance from the flower ... ANEMONE, V. 2. p. 782. 
Involucre none ....,.sseeeeesee0e04 LHALICTRUM, V. 2. p. 779. 
