HITCHCOCK — PLANTS OF AMES, IOWA. 4S9 



Linum usitatissimum, L. Spec. 



Escaped from cultivation ; frequent. 



GERANIA CE.E. 



Geranium macueatum, L. Spec. 

 Upland woods; abundant. 



Oxalis violacea, L. Spec. 



Rocky places and cultivated ground; frequent. 



0. CORNICUEATA, L. Spec. 



Woods and pastures ; common. 

 Var. stricta, (L.) Sav. in Lam. Diet, iv.— O. stricta, L. Spec. 

 Woods and pastures; common. 

 Impatiens aurea, Muhl. Cat.— J pallida, Nntt. Gen. 

 Low places in woods ; abundant. 



1. biflora, Walt. PI. — /. fulva, Nutt. Gen. 



Low woods; frequent. 



RUTACE.E. 



Xasthoxyll'm America num. Mill. Diet. 

 Low woods ; abundant. 



CELASTRACEM. 



Celastrus scandens, L. Spec. 



Thickets and woody bluffs; not uncommon. 



Frequent along- clay bluffs of Skunk river. 



Euonymus atropurpureus, Jacq. Hort. Vind. ii. 1772. 

 Low woods; not uncommon. 



RHAMNA CEJE. 



Ceanothus Americanus, L. Spec. 



Prairie and open woods; abundant. 



C. ovatus, Desf., var. pubescens, Torr. & Gray, Fl. i. 



Dry hills ; scarce. 



Northeast of the College, beyond Squaw creek. Fruit matures earlier than in 

 the above. 



VI TA CE^E. 



Vitis riparia, Michx. Fl. 



Woods and thickets, both upland and lowland; common. 

 Ampelopsis quinquefoeia, (L.) Michx. Fl.—ITedera qulnquefo- 



lia, L. Spec. — Vitis quir/qiirfolia. Lam. 111. ii. 

 Lowland woods ; abundant. 



SAPINDACE.E. 



yEsculus glabra, Willd. Enum. 



Des Moines river at Boone (Prof. Uudd). 



