88 IOWA ACADEMY OF SCIENCE 
LENTIBULARIACEAE. 
UTRICULARIA L. 
812. Utricularia vulgaris L. Greater Bladderwort. Common in 
swamps and marshes. 
OROBANCHACEAE. 
OROBANCHE (Tourn) L. 
813. Orobanche uniflora L. One-flowered Cancer-root. Rare in wood- 
lands; Iowa City. 
BIGNONIACEAE. 
TECOMA Juss. 
814. Tecoma radicans (L.) Juss. Trumpet Vine. Not uncommon in 
woods and thickets. 
CATALPA Scop. 
815. Catalpa bignonioides Walt. Catalpa or Indian Bean Tree. Cul- 
tivated. 
ACANTHACEAE. 
RUELLIA (Plumier) L. 
816. Ruellia ciliosa Pursh. Hairy Ruellia. Abundant in dry soils, 
especially in thickets. 
PHRYMACEAE. 
PHRYMA L. 
817. Phryma leptostachya L. Lopseed. Common in woodlands. 
