IOWA ACADEMY OF SCIENCES. 
209 
233. C. boscianum Moq. Shady places; common. 
234. C. hyhridum L. Common in waste ground. 
Cycloloma. 
235. C. atriplicifolium (Spreng.) Coult. (C. platyphy Hum 
Moq.) Wet, sandy ground near railroad; the 
only locality. 
Salsola. 
236. S. tragus L. {S. kali tragus Moq.) Waste ground 
along railroad; scarcely more than holds its own. 
AMARANTHACE^. 
Amaranthus. 
237. A. retroflexus L. Abundant in cultivated and waste 
ground. 
238. A. liybridus L. [A. chlorostachys L.) Frequent in 
moist ground; especially along streams. 
239. A. blifoides Wats. Common in waste and culti- 
vated ground. 
240. A. grcecizans L. {A. albiis L.) Common in fields 
and waste ground. 
NYCTAGINACE^. 
Allonia. 
241. A.nyctagineaWiQhx. {Oxybaphusnyctagineus^wQQt), 
Common along railroads. 
242'. A . hirsuta {B. hirsutiis .) Common 
on dry prairies. 
AIZOACE^. 
Mollugo. 
243. M. verticillata h. Along railroads and in waste 
sandy ground; frequent. 
PORTULACACE^. 
Claytonia . 
244. C . virginica h. Moist woods; common . 
PORTULACA. 
245. P. oleraceaL, Abundant in cultivated ground. 
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