PLANTS OF IOWA 191 



BALSAMINACE^E. JEWEL-WEED FAMILY. 



IMPATIENS, L. 



2471. 1. biflora, Walt. Spotted Touch-me-not. 

 In moist grounds. Common. 



2472. /. aurea, Muhl. Pale Touch-me-not. 



In moist places, but rather less common than the pre- 

 ceding. 



RHAMNACE.E. BUCKTHORN FAMILY. 



RHAMNUS, L. 



2473. R. lanceolata, Pursh. Lance-leaved Buckthorn. 

 In moist soil, infrequent. 



2474. R. olnifolia, L'Her.. Alder-leaved Buckthorn. 

 In moist ground. 



CEANOTHUS, L. 



2475. C. americanus, L. New Jersey Tea. 

 Common on dry prairies and ridges. 



2476. C. ovatus, Desf. Small Ked-root. 

 Not infrequent. 



2477. C. ovatus pubescens, T. & G. Downy Red-root. 

 Rare. On dry prairie ridges. 



VITACE^B. GRAPE FAMILY. 



VITIS, L. 



2478. V. labrusca, L. Northern Fox Grape. 

 Not common. 



2479. C. cinerea, Engelm. Downy Grape. 

 Frequent. 



2780. V. vulpina, L. Riverside or Sweet-scented Grape. 



Common wild grape. Very common along streams and 

 ascending slopes. 



2481. V. palmata, Vahl. Missouri Grape. 

 Not common. 



2482. V. cestivalis, Michx. Summer Grape. 

 In thickets, east part of state. 



2482a. T 7 . cordifolia, Michx. Frost Grape. 



Along streams southward; not common. 



