Family CALLITRICHACEA# 95 
7. Euphorbia glyptesperma Engelm. 
In sandy prairies and fields, most abundant westward. Bordeaux; 
Broken Bow; Dismal river; Fairbury; Franklin; Hooker county; 
Mullen; Newcastle; Thedford; Valentine. 
8. Euphorbia maculata L. Spotted Spurge. 
Throughout the state. Ainsworth; Endicott; Fairbury; Lincoln; 
Saunders county; Steele creek; Valentine; Weeping Water. 
9. Euphorbia humistrata Engelm. 
In the eastern part of the state. Lincoln; Red Cloud; Weeping 
Water. 
10. Euphorbia fendleri T. & G. 
In the western part of the state. Cheyenne county; Upper Lawrence 
Fork. 
11. Euphorbia preslii Guss. 
A common weed over most of the state. Arapahoe; Lincoln; Minden, 
Pishelville; Red Cloud; Saunders county. 
12. Euphorbia hexagona Nutt. 
Common in dry, sandy soil throughout the state. Bellevue; Bruns- 
wick; Haigler; Norfolk; Pine Ridge; Ravenna; Red Cloud; Riverton; 
Spencer; Valentine. 
13. Euphorbia corollata L. Showy Spurge. 
Common in meadows in the eastern part of the state. Bellevue; 
Crete; Cass county; Lincoln; Nemaha; Peru; Wahoo;. Weeping Water. 
14. Euphorbia marginata Pursh. Snow-on-the-mountain. 
A common pasture weed in clay soil. Anselmo; Beatrice; Benkel- 
man; Crete; Laurel; Lincoln; Neligh; Niobrara; Wymore. 
15. Euphorbia cuphosperma (Engelm.) Bois. 
In shady canyons in the foot-hills. Banner county. 
16. Euphorbia dentata Michx. 
Over most of the state. Franklin; Lincoln; Riverton. 
17. Euphorbia heterophylla L. 
In woodlands and thickets, mostly in the eastern part of the state. 
Crete; Ft. Niobrara; Franklin; Indianola; Keyapaha county; Lincoln; 
Niobrara; Red Cloud; Wabash. 
18. Euphorbia obtusata Pursh. 
Low prairies in the eastern part of the state. Lincoln; Red Cloud. 
19. Euphorbia missouriensis (Norton) Small. 
In prairies in the eastern part of the state. Beatrice; Crete; Fair- 
bury; Lincoln; Red Cedar island; St. James. 
20. Euphorbia cyparissias L. 
Sometimes escapes from cultivation. Crete; Lincoln. 
21. Euphorbia robusta (Engelm.) Small. 
In the western part of the state. Ft. Robinson; Pine Ridge; Sioux 
county. 
9.,. CALLITRICHACE. 
1. Callitriche. 596. 
1. Callitriche palustris L. Water-starwort. 
In shallow running water. Kennedy; Merriman; Pauline. 
