IOWA ACADEMY OF SCIENCES 
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JUNCACEAE. 
JUNCUS. 
182. J. effusus Lf. Abundant in swamps and marshes. 
183. J. halticus Willd. Rare. 
184. J. tenuis Willd. Abundant. 
185. J. marginatus Rostk. Plenty. 
186. J. nodosus L. Plenty in moist soil. 
187. J. torreyi Coville. Plenty. 
tJVULARIA. 
188. JJ. grandi-fiora J. E. Smith. Common in rich woods. 
LILACEAE. 
Allium. 'r 
189. A. tricoccum Ait. Common in woods Flowers rarely noticed as 
the broad leaves have disappeared before flowering time. 
190. A. stellatum Ker. Abundant on open prairies. 
191. A. canadense L. Plenty. 
Lilium. 
192. L. philadelpMcum L. Common in thickets. Some forms here 
appear to approach L. umbellatum Pursh. in appearance and 
in habitat. 
193. L. canadense L. Common in meadows. Ours are mostly of the 
red flowered form. 
Erythkonium. 
194. E. alMdum Nutt. Abundant in moist woods. 
CONVALLAEIACEAE. 
Asparagus^ 
195. A. officinalis L. Escaped from cultivation. 
Vagnera. 
196. y. racemosa (L) Morong. Abundant in rich woods. 
197. y. stellata (L) Morong. Abundant in woods and fields. 
Unifolium, 
198. U. canadense (Desf.) Greene. Scarce in rich woods. 
Salomonia. 
199. S. tifiora (Walt.) Britton. Scarce in woods. 
200. 8. commutata (R & S) Britton. Common in woods and fields. 
Trillium, 
201. T. nivale Riddell. Abundant in rich woods. 
202. T. cernuum L. Rare in rich vs^oods. 
203. T. erectum L. Rare in rich woods. 
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