IOWA ACADEMY OF SCIENCES. 
215 
JUNCACEJE. 
Juncus L. Rush. 
159. J. balticus Deth. Very rare; saline soil; Armstrong. 
160. J. tennis Willd. Very common on low prairies. 
161. J. nodosus L. Infrequent; in low places. 
162. J. torregi Coville. (J. nodosus var. megacephalus 
Torr.) Frequent in low ground. 
Juncoides Adans. 
168. J. campestre (L) Kuntze. (Luzula campestre DC.) 
Rare, w^oods west of Estherville. 
MELANTHACE^E. 
Zygadenus Michx. 
164. Z. elegans Pursh. (Z. glaucus Nutt.) Very com- 
mon on prairies. 
Uvularia L. Bellwort. 
165. U. grandiflora J. E. Smith. Frequent in rich 
woods. 
LILIACEJE. 
Allium L. Wild Onion. Leek. 
166. A. tricoccum Ait. Rare, woods near Estherville. 
167. A. cernuum Roth. Common on prairies. 
168. A. canadense Kahn. Frequent on low prairies. 
Lilium L. 
169. L. philadelphicum L. Red Lily. Common on 
prairies. 
170. L. superbum L. Turk’s-cap Lily. Rare near 
Estherville (James Espeset). 
Erythronium L. 
171. E. albidum Nutt. White Adder’s-tongue. Fre- 
quent in woods. 
CONVALLARIACEJE, 
Asparagus L. 
172. A. officinalis L. Asparagus. A common species 
escaped from cultivation. 
