ANALYSIS OF THE GENERA, 61 
distinct. Seed solitary, erect. Lmbryo without albumen. Coty- 
ledons plano-convex. Radicle short, superior.— Shrubs furnished with 
glands, secreting a resinous juice. Leaves alternate, simple, with or 
without stipules. 
GENERA. 
Catkins ovate, with lunate scales ..... soe Mynroa, v. 8. p. 1281. 
ORDER LXXXITI. SALICINEA.—Ricu. 
Flowers either moncecious or dicecions, amentaceous. Male flowers 
disposed in a cylindrical catkin, Perianth small, having the appear- 
ance ofa gland. Stamens two to thirty, distinct, or monadelplous. 
Anthers two celled. Female flowers in a more dense ovate or cylin- 
drical catkin, perianth simple, often persistent. Ovary one celled. 
Style simple. Stigmas two, often bifid. Capsule one celled, two 
valved, the cells many seeded, small, pendulous, exalbuminous, en- 
tirely covered with silky or cottony down, or only downy at the apex. 
Embryo erect, Radicle inferior.—TZrees or shrubs, with alternate 
simple leaves. Stipules often leafy, deciduous, or persistent. 
GENERA. 
HtAMENS twWO-tO five ......cccercencers sesseove SALIX, Ve 3. P. 1227. 
Stamens eight to thirty........sseessssesseseee POPULUS, V. 3. p. 1285. 
ORDER LXXXIV. CONIFERA‘.—Juss. 
Flowers moncecious or dicecious, disposed in a catkin, Male 
flowers, scales numerous, variously arranged, either covering or 
supporting, the anthers. -Anthers one, or several united, two or 
many lobed, bursting outwardly, often terminated by a scale-like 
erest. Female flowers in cones. Ovary spread open, and having the 
appearance of a flat scale, destitute of style or stigma, and arising 
from the axis of a membranous bract. Ovule naked, in pairs on the 
face of the ovary, having an inverted position, and consisting of one 
or two membranes, open at the apex, and of a nucleus. fruit con- 
sisting of a cone, formed of the scale-shaped ovaries, becoming en- 
larged and indurated. Seed with a hard crustaceous integument. 
Embryo in the midst of fleshy oily albumen, with two or many 
opposite cotyledons. adicle next the apex of the seed, and having 
an organic connexion with the albumen —T’rees or shrubs, abounding 
in resinous secretions. Leaves linear, acerose, or lanceolate, entire at 
the margins, sometimes fascicled, persistent. 
GENERA. 
Anthers two in each floret, scale of the 
CONES WOODY siseressscvevsessscresceceeess PINUS, V. 3. p. 1222. 
