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Family CUCURBITACE: 157 
4. Mentzelia levicaulis (Dougl.) T. & G. 
Box Butte county. 
2. CUCURBITACE. 
Gourd Family. 
Prostrate vines with large yellow flowers; corolla 6-10 cm. long; 
fruit smooth; perennial. 1. Cucurbita. 
Climbing vines with small white or greenish flowers; fruit prickly; 
annuals. 
Pistillate flowers solitary or 2 together; fruit several-seeded, de- 
hiscent. 2. Micrampelis. 
Pistillate flowers clustered, 3-10 together; fruit 1-seeded, inde- 
hiscent. 3. Sicyos. 
1. Cucurbita (Pepo). 882. 
1. Cucurbita foetidissima H. B. K. Fetid or Missouri Gourd. 
On dry prairies mostly in the western part of the state. Franklin; 
Indianola; Lincoln; Peru; Wilsonville. 
2. Micrampelis. 882. 
1. Micrampelis lebata (Michx.) Greene. Balsam-apple. 
Common in rich soil along streams in the eastern part of the state. 
Ft. Robinson; Lincoln; Nebraska City; Spencer; Wahoo. 
3. Sicyos. 883. 
1. Sicyos angulatus L. One-seeded Bur-cucumber. 
In moist soil, mostly along streams, in the eastern part of the state. 
Lincoln; Talmage. 
CELASTRALES. 
Petals 4 or 5 (wanting in Rhamnus alnifolia). 
Leaves alternate, or if opposite simple; fruit various, but not a 
bladdery capsule. 
Stamens opposite the petals. 
Our species shrubs with alternate leaves. 1. Rhamnacee. 
Vines with tendrils. 2. Vitacez. 
Stamens alternate with the petals; shrubs with alternate leaves 
or vines without tendrils. 3. Celastracee. 
Leaves opposite, trifoliolate; fruit a bladdery capsule. 
4. Staphyleacez. 
Petals none. 
Trees or shrubs; foliage scurfy or stellate-pubescent. 5. Eleagnacee. 
Herbs; foliage glabrous. 6. Santalacez. 
1. Rhamnacee. 
Buckthorn Family. 
Flowers in axillary clusters; petals short clawed; fruit a drupe. 
1. Rhamnus. 
Flowers in terminal and axillary clusters; petals with very long 
claws; fruit dry. 2. Ceanothus. 
