72 CARYOPHYLLALES 



2. Acnida. 379. 



Fruit rough, indehiscent or bursting irregularly. 1. A. tuberculata. 



Fruit circumscissile. 2. A. tamariscina. 



1. Acnida tuberculata Moq. 



Acnida tamariscina tuberculata (Moq.) Uline & Bray. 

 A rather common weed. Cody; Lincoln; Valentine. 



2. Acnida tamariscina (Xutt.) Wood. 



A common but not important weed over most states. Kennedy; Nem- 

 aha; Plummer Ford; Valentine. 



3. Froelichia. 380. 



Crest of the fruit a continuous dentata ridge, plant over 6 dm. tall. 



1. F. floridana. 



Crest of the fruit interrupted, processes almost distinct, plant less 



than 6 dm. tall. 2. F. gracilis. 



1. Froelichia floridana (Nutt.) Moq. 

 Froelichia campestris Small. 



Common in dry places especially in the sand-hill regions. Anselmo; 

 Cherry County; Knox County; ^Mullen; Red Cloud; Royal; Thomas 

 County; Valley Junction; Valentine. 



2. Froelichia gracilis >\Ioci. 



In dry sandy places. Deuel County, 



9. CHENOPODIACEAE. 



Calyx not horizontally winged. 



Stems not jointed, leaves normal. 

 Utricle not longer than the calyx or the bracts. A\ingless. 

 Leaves petioled or if sessile broadest at about the middle. 

 Flowers mostly perfect, not enclosed by bracts. 



Sepals 3-5, stamens 1-5. 1. Chenopodium. 



Sepal 1. stamen 1. 3. Monolepsis. 



Flowers monoecious or dioecious, enclosed by partly united 



bracts. 



Bracts not silky pubescent. 4. Antriplex. 



Bracts silky pubescent. 5. Eurotia. 



Leaves sessile, entire, broadest near the base. 10. Dondia. 



Utricle much exserted beyond the calyx, winger. 7. Corispermun. 



Stems and branches jointed, leaves reduced to scales. 8. Salicornia. 



Fruiting calyx horizontally winged. 



Leaves broad, lobed. 2. Cycloma. 



: Leaves narrow or linear, entire. 

 Shrubs with spiny branches. 9. Sarcobatus. 



Herbs. 



Leaves not prickly pointed. 6. Kochia. 



Leaves prickly pointed. 11. Salsola. 



