278 
IOWA ACADEMY OF SCIENCES. 
Dioscoreace^e. Yam Family. 
Dioscorea villosa L. Wild Yam-root. 
Liliace^e. Lily Family. 
Smilax hispida Muhl. Greenbriar. Woods; frequent. 
Allium canadense Kalm. Wild Garlic. Open woods;: 
common. 
Polygonatuvn biflorum Ell. Smaller Solomon’s Seal. 
Woods; frequent. 
P. giganteum Deitrich. Great Solomon’s Seal. Rich 
woods; common. 
Asparagus officinalis L. Garden Asparagus. Escaped 
from cultivation. 
Smilacina racemosct Desf. False Spikenard. Woods; 
common. 
Uvularia perfoliata L. Bellwort. Rich woods. Com- 
mon. 
Erythronium albidum Nutt. White Dog’s-tooth Violet. 
Woods; common. 
Lilivm philadelphicum L. Wild Orange-red Lily. Prai- 
ries; frequent. 
L. canadense L. Wild Yellow Lilly. Not common. 
L. tigrinum Iver. Tiger Lily. Escaped from gardens, 
Trillium nivale Riddell. Dwarf White Trillium. Steep 
upland woods; frequent. 
Commelinaceje. Spiderwort Family. 
Tradescantia virginica L. Common Spiderwort. Fields, 
prairies and along railroad tracks; common. 
TypiiacetE. Cat-tail Family. 
Typha latifolia L Common Cat-tail. Ponds and boggy 
places: common. 
Sparganium eurycarpum Engelm. Bur-reed. Ponds; 
frequent. 
Arace^e. Arum Family. 
Ariscema triphyllum Torr. Indian Turnip. Damp woods; 
common. 
