CUCURBITACEAE 151 



2. CUCURBITACEAE. 



Prostrate vines with large yellow flowers, corolla 6-10 cm. long, fruit 



smooth. i. Cucurbita. 



Climbing vines with small white or greenish flowers, fruit prickly. 



Pistillate flowers solitary or 2 together, fruit several-seeded, de- 



hiscenr. 2. Micrampelis. 



Pistillate flowers clustered, 3-10 together, fruit 1-seeded, indehiscent. 



3. Sicyos. 



1. Cucurbita. 882. 



1. Cucurbita foetidissima H. B. K. Fetid or Missouri Gourd. 



On dry prairies m^ostly in the western part of the state. Franklin; 

 Indianola; Lincoln; Peru; Wilsonville. 



2. Micrampelis. 882. 



1. Micrampelis lobata (Michx.) Greene. 



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 anguiatus L. One-seeded Bur-cucumber. 



In moist soil, mostly along streams, in the eastern part of the state. 

 Lincoln; Talmage. 



CELESTRALES. 



Petals 4 or 5, (wanting in Rhamnus ainifolia). 

 Leaves alternate or if opposite simple, fruit various but not a 

 bladdery capsule. 

 Stamens opposite the petals. 



Our species shrubs with alternate leaves. 1. Rhamnaceae. 



Vines with tendrils. 2. Vitaceae. 



Stamens alternate with the petals, shrubs with alternate leaves 



or vines without tendrils. 3. Celastraceae. 



Leaves opposite trifoliate, fruit a bladdery capsule. 



4. Staphyleaceae. 

 Petals none. 



Trees or shrubs, foliage scurfy or stellate-pubescent. 



5. Elaeagnaceae. 

 Herbs, foliage glabrous. 6. Santalaceae^ 



1. RHAMNACEAE. 



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^^ 



1. Rhamnus. 612. 



Flowers 2 or 3 together in the axils not umbeled. 



Petals present, calyx teeth 4, nutlets 2. 1. R. lanceoalta. 



Petals wanting, calyx teeth 5, nutlets 3. 2. R. ainifolia. 



Flowers in axillary peduncled umbels. 3. R. carolinlana. 



