PLANTS OF IOWA 175 



SAXIFRAGACE.E. SAXIFRAGE FAMILY. 



Saxifrage, L. 



2253. 8. pennsylvanica, L. Swamp Saxifrage. 

 Not rare, in bogs. 



SULLIVANTIA, T. & G. 



2254. 8. sullivantii, T. & G., Britt. Sullivantia. 

 Common, on faces of cliffs. 



Heuchera, L. 



2255. H. hispida, Pursh. Rough Heuchera; Alum-root. 

 Common, on prairie. 



Mitella, L. 



2256. M. diphylla, L. Two Leaved Bishop's Cap. 

 Common on shaded banks. 



Chrysosplenium, L. 



2257. C. iowensis, Rydb. Iowa Golden Saxifrage. 

 Rare on shaded mossy banks. 



HYDRANGEACE^E. HYDRANGEA FAMILY. 



Hydrangea, L. 



2257a. H. arboreseens, L. Wild Hydrangea. 

 Not common. 



GROSSULARIACE^E. GOOSEBERRY FAMILY. 

 RlBES, L. 



2258. R. cynosbati, L. Wild Gooseberry. 

 Locally common, on rocky banks. 



2259. R. uva-crispa, L. Garden Gooseberry. 

 Escaped from gardens. 



2260. R. gracile, Michx. Slender Gooseberry. 

 In dry soil. 



2261. R. missouriensis, Nutt. (R. gracile, Michx.. in part.) 



Missouri Gooseberry. 

 Common on banks and in open thickets. 



2262. R. floridum, L'Her. Wild Black Currant. 

 Not rare? in low rich woods. 



2263. R. rubrum, L. Red Currant, 

 Rare, in deep woods. 



