IOWA ACADEMY OF SCIENCES. 
lOB 
H. leucophcea Gray. Woods, rare. Dr. C. C. Parker, coll. 
H. psy codes Gray. Woods, three plants collected in 1893. 
First reported for Iowa by the writer. Proc. Iowa Acad, Sci.„. 
1: 103, 1893. 
Gypripedium candidum Muhl. Low prairies, rare. 
O. pubescens Wilid. Woods, infrequent. 
C. spectaMle Ssilisb. Low woods and prairies, rare. 
IRIDACE^. 
Iris versicolor L. Wet prairies about ponds, frequent. 
Sisyrinchium angustifolium Mill. Low prairies, common. 
AMARYELIDACE^. 
Hypoxis erecta L. Prairies, common. 
DIOSCOREACE^. 
Dioscorea villosa L. A single plant was collected in 1894 
along border of woods. 
LILIACE^. 
Smilax lierbacea L. , var. pulverulenta Gray. Woods, rare. 
S.ecirrhata Watson. Woods, frequent. Apparently uncom- 
mon in Iowa as it was not reported till 1896. Prof. B. Shimek 
in Bull. Lab. Nat. Hist. Iowa State University, 3: 199, P. 1896. 
Our most common smilax. 
S, liispida Muhl. Moist woods, infrequent. 
Allium tricoccum Ait, woods, frequent. 
A, canadense Kalm. Moist river banks, frequent. 
Polygonatum biflorum Ell. A single plant collected along 
a wooded hillside. 
P. giganteum Dietrich. Low open woods, infrequent, 
Asparagus officinalis L. Occasionally escaped. 
Smilacina racemosa Desf. Woods, common. 
S. stellata Desf. Low prairies, infrequent. 
Mianthemum canadense Desf. Upland woods, frequent. 
Uvularia grandifiora Smith. Woods, frequent. 
Oakesia sessilifolia Watson. Woods, frequent. 
Erythronium albidum, Nutt. Woods, common. 
Lilium philadelpiiicum L. Low prairies, frequent. 
L. canadense L. Low prairies, frequent. 
Trillium erectum L Low woods, common. The form called 
T. erectum L. , var. declinatum Gray, occurs here and is mistaken 
locally for T. recurvatum Beck. 
T. cernuum L. Low woods, infrequent. 
