IOWA ACADEMY OP SCIENCES 
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AIZOACEAE. 
Mollugo. 
316. M. verticillata L. Scarce. 
PORTULACACEAE. 
Claytonia. 
317. G, virginica L. Abundant in rich woods. Some forms approach 
C. caroliniana Michx. 
POETXJLACA. 
318. P. oleracea L. Abundant in fields and gardens. 
CARYOPHYLLACEAE. 
Agrostemma. 
319. A. gitJiago L. Rare in fields. 
SrLEXE. 
320. S. steUata (L.) Ait. Abundant. 
321. S. antirrJiina L. Common in ^Yaste places. 
322. >8. noctiflora L. Rare along railways. 
Lyciints. 
323. L, aWa Mill. Plenty in waste places. 
Saponaria. 
324. 8. Officinalis L. Scarce. Escaped from gardens. 
Vaccarta. 
325. y. vaccaria (L.) Britton. Rare in waste places. 
Alstne. 
326. A. longi folia (Muhl) Britton. Plenty in rich woods. 
327. ' A. media L. Abundant. 
Cerastium. 
328. C. vulgatum L. Common in woods and fields. 
Anychia. 
329. A. canadense (L.) B. S. P. Common in woods. 
nymphaceae. 
Nymphaea. 
330. N. advena Soland. Common in swamrc and marshes. 
Castalia. 
331. C. tuherosa (Paine) Greene. Plenty in ponds. 
CERATOPHYLLACEAE. 
Ceratophyllum. 
332. (7. demersum L. Scarce in swamps and marshes. 
RANUNCULACEAE. 
Galtha. 
333. C. palustris L. Abundant in swamps. 
ISGPHYBUM, 
334. J. Mtematum (Raf.) T. & G. Abundant. [; 
