m 
APJJTAiOiUS OKDERS. 
a. Properties : the juice is gen- 
erally acrid and stimulating. 
Genera. — Periploca, Podostigma, 
Acerates, Enslenia, Asclepias, Go- 
nolobus, Hoya. 
Fig. 202, a, flower of Asclepias 
nivea ; b, the same cut vertically ; 
c, calyx ; d, corolla ; e e, coronal ap- 
pendages ; s s, stamens ; o, ovary. 
Pol- 
Fig. 202. 
^oUen 
naasges m ; p, pollen grains 
with tubes beginning to escape 
from their masses ; /, fruit at the 
period of dehiscence ; g, one of the 
comose seeds separated. 
499. Jasminace^, the 
Jessamine Tribe— Shmhs, 
often with twining stems. 
Leaves opposite, or alteiv 
nate, mostly compound. i^Z(9^^)67'<§ fragrant. Calyx with 5 to 8 
divisions or teeth, persistent. Corolla regular, hjpocrateri 
form, twisted, or valvate, in aestivation. Stamens 2, inserted 
on the corolla, included within the tube. Ovary 2-celled ; 
ovules 1-4 in each cell. Fruit a double berry or capsul.e,. 
Seeds erect, with little or no albumen ; embryo straight. 
a. Properties : flowers fragrant, the leaves and rootg sometimes bitter ; cultivated 
for ornament. 
Genera. — Jasminum, Nyctanthes. 
500. Oleace^, the Olive Tribe.- — Trees or sliruhs. Leaves 
opposite, simple, or pinnate. Calyx persistent. Corolla 4- 
cleft, or of 4 petals connected in pairs by the filaments, some- 
times wanting ; valvate in sestivation. Stamens 2, alternate 
with the segments of the corolla. Ovary simple, 2-celled ; 
ovules pendulous, 2 in each cell. Fruit drupaceous, baccate, 
or capsular. Seeds albuminous ; emh^yo straight. 
a. Properties : bitter, tonic, and astringent. Some plants of this order yield a 
fixed oil. 
Genera. — 1. Ole^ — Fruit a drupe or berry: Chionanthus, Olea, Ligustru^n. 
2. FRAxiNiE — Fruit samaroid : Fraxinus, Ornus, Syringa, 
apetalous orders. 
501. Akistolochiace^, the BirthwoH Tribe. — Herhs or 
climbing shrubs. Leaves alternate. Flowers brown or some 
dull color, usually solitary. Calyx adherent, tubular, 3-cleft, 
regular or irregular. Stamens 6-12, distinct, or adhering to the 
style. Ovary 3-6-celled. Fruit a capsule or berry. S^ed^ 
uumerous; embryo minute at the base of fleshy albumen, 
a. Properties: tonic and stimulating. 
^Genera. — Asarum, Aristolochia. 
502. Phytolaccace^, the Pohe-weed Tribe. — Undersh^hjg p^r 
