144 PASSIFLORACEJE. (PASSION-FLOWER FAMILY.) 
flowers greenish-yellow (small); petals narrow. — Damp thickets, 
Ohio, and southward. July-Sept. — Flowers 1/, the fruit £' in di¬ 
ameter. — The handsome P. incarnA.ta of the South is to be sought 
in W. Pennsylvania. 
Order 45. CUCURBIT ACEJE, (Gourd Family.) 
Herbaceous mostly succulent vines, with tendrils, dioecious 
or monoecious (often monopetalous) flowers , the calyx-tube 
cohering with the 1-3 -celled ovary, and the 5 ( rarely 3) 
stamens more or less united by their tortuous anthers as 
well as by the filaments. Fniit (pepo) fleshy, sometimes 
membranaceous . — Ovary more or less perfectly 3- (rarely 
2-) celled by the approximation or meeting of the partitions 
which bear the placentse, these diverging and revolute so as 
commonly to bring the apex of the seeds back nearly into 
contact with the walls of the ovary; sometimes strictly 1- 
celled : stigmas 2-3. Fruit often 1-celled by obliteration. 
Seeds large and flat, anatropous, with no albumen. Co¬ 
tyledons leaf-like. Leaves alternate, palmately lobed or 
veined. 
1. SICYOS, L. One-seeded Star-Cucumber. 
Flowers monoecious. Petals 5, united below into a bell-shaped 
or flattish corolla. Stamens 5, all cohering in a tube, or at length 
separating into 2 parcels of two each and an odd one. Ovary 
1-celled, with a single suspended ovule : style slender: stigmas 3. 
Fruit ovate, membranaceous, filled by the single seed, covered 
with barbed prickly bristles which are readily detached. — Climb¬ 
ing annuals, with whitish flowers; the sterile and fertile mostly 
from the same axils, the former corymbed, the latter in a capitate 
cluster, long-peduncled. (The Greek name for the Cucumber.) 
1. S. anglllatus, L. Leaves roundish heart-shaped and 5 
angled-lobed, the lobes minutely toothed, pointed; stem, stalks, an 
fruit beset with clammy hairs. — River-banks. July-Sept. 
2.ECHINOCTSTIS, Torr. & Gr. Wild Balsam-apple* 
Flowers monoecious. Petals 6, lanceolate, united at the base 
into an open spreading corolla. Stamens 3, separable into 2 sets. 
