86 Order CARYOPHYLLACEZA 
4. Eriogonum multiceps Nees. 
In dry prairies and bad-lands of the western part of the state. Hat 
Creek basin; Scotts Bluff county; Sioux county. 
5. Eriogonum campanulatum Nutt. 
Nebraska, according to Rydberg’s Flora of Colorado. 
6. Eriogonum brevicaule Nutt. 
On dry plains in the western part of the state. Scotts Bluff county. 
7. Eriogonum corymbcsum Benth. 
Cheyenne county. 
8. Eriogonum effusum Nutt. 
On dry prairies in the western part of the state. Kimball county; 
Seotts Bluff county. 
9. Eriogonum microthecum Nutt. 
In dry soil in the western part of the state. Cheyenne county; Kim- 
ball county. 
10. Eriogonum annuum Nutt. Annual Eriogonum., 
Common in sand-hill and foot-hill regions. Anselmo; Brunswick; 
Haigler; Harrison; Kearney; Mullen; Pine Ridge; Pishelville; Sioux 
county; Valentine. 
11. Eriegonum gordonii Benth. 
Rare in the western part of the state. 
12. Eriogonum cernuum Nutt. 
Dry plains and bad-lands of the western part of the state. Banner 
county; Cheyenne county; Kimball county; Scotts Bluff county. 
2. Rumex. 354.: 
Flowers dicecious, lower leaves hastate, foliage acid. 1. R. acetocella. 
Flowers perfect, leaves not hastate, foliage not acid. 
Wings not spiny-margined. 
Fruits 2 cm. or more wide, calyx red. 2. R. venosus. 
Fruits less than 2 cm. wide. 
Not more than one of the calyx lobes tubercled. 
Inner perianth lobes 8-9 mm. broad, reniform. 
5. R. patientia. 
Inner perianth lobes 5-6 mm. broad, deltoid-ovate. 
4. R. altissimus. 
Three of the calyx lobes tubercled. 
Wings 6 mm. long, blunt at the apex. 6. R. britannica. 
Wings not over 4 mm. long, acute at the apex. 
Leaves wavy-margined, dark green, not glaucescent. 
7. R. crispus. 
Leaves flat, light green, and glaucescent. 3. R. salicifolius. 
Wings spiny-margined. 
One calyx segment tuberculate, spines short. 8. R. obtusifolius. 
Three of the calyx segments tuberculate, spines long. 
9. R. persicarioides. 
1. Rumex acetocella L. Sorrel or Sour-Dock. 
Introduced in various localities in the state. Beatrice; Lincoln; 
Minden; Valentine. 
2. Rumex venosus Pursh. Winged Dock. 
Common in dry, sandy places. Antelope county; Central City; Cherry 
