188 FLORA OF WINNE9HIBK COUNTY. 



Rosa Boyi Schwein. Prickly Rose. Common on banks and in 

 thickets. Canoe creek, Blunton, Caimar, Ft. Atkinson. 



Rosa woodsii Lindl. Wood's Rose. Not common, in open 

 places. Bluffton. 



Rosa hum Hi, Marsh. Pasture Rose. Reported by Fitzpat- 

 rick. A specimen collected by the writer at Caimar is probably 

 this species. 



/■ami/y 7. Pomaceae . 



Malus iowensis (Wood) Britt. (Pyrus coronaria L., in part.) 

 Western Crab-apple. Common in thickets at all the stations 

 named, excepting Caimar. 



Aronia nigra (Willd.) Britt. {Pyrus arbuHfolia voir, melano- 

 carpa Hook.) Black Choke-berry. Very rare. Found only 

 upon an exposure of St. Peter sandstone near Hesper. 



Amelanchier canadensis (L.) Medic. June-berry. Rather 

 common, along river-bluffs, etc. Decorah (Goddard), Bluffton. 

 Observed at Hesper, Canoe creek, south fork of Bear creek and 

 Kendallvillle. 



Amelanchier botryapium (L. f.) DC. {A. canadensis var. ob- 

 long if alia T .& G.) Shad-bush. Local, on shaded rocky banks. 

 Decorah (Goddard), Bluffton. 



Amelanchier rotundifolia (Michx.) Roem. (A. canadensis var. 

 rotundifolia T. & G.) Round-leaved June-berry. On wooded 

 banks and slopes. Rather common locally. Hesper, Bluffton. 



Amelanchier ainifolia Nutt. Northwestern June-berry. Lo- 

 cally frequent on dry slopes. Decorah (Savage), Freeport. 

 Also observed at Hesper. 



Crataegus punctata Jacq. Large-fruited Thorn. Very com- 

 mon in thickets. Decorah, Bluffton, Canoe creek, north fork of 

 Bear creek, Hester, Ft. Atkinson. This is the most common 

 red-haw in the county. Fitzpatrick also reports C. crus-galli, 

 but one of his specimens in the University herbarium, so la- 

 belled, is certainly C. punctata. The writer's notes contain ref- 

 erencea to C. crus-galli, and the species probably occnrs, but all 

 the specimens which were collected arc typical C. punctata. 



Crataegus COCCinea L. Scarlet Haw. What has usually been 

 called C. COCCinea is rather common in thickets. It is evidently 



