SUB-CLASS II. DICOTYLEDONES, 189 
C. pruinosa K. Koch, as recognized by Sargent, and should prob- 
ably be called by that name. Kendallville, N. fork of Bear creek. 
Crataegus macracantha Lodd. Long-spined Thorn. Rather 
common in thickets. Decorah (Savage), Canoe creek, Moneek. 
Crataegus tomentosa L. Pear Haw. Quite common in thick- 
ets. Canoe creek, north fork of Bear creek, Hesper. 
Family 8. Drupacee. 
Prunus americana Marsh. Wild Plum. Common in thickets. 
Decorah, Ft. Atkinson. Also observed at all the stations except- 
ing Calmar and Moneek. 
Prunus pumila L. Dwarf Cherry. Very rare. Found only 
on an exposure of St. Peter sandstone near Hesper, with Aroma. 
Prunus pennsylvanica L. f. Wild Red Cherry. Common 
along borders and in thickets. Hesper, Canoe creek. Also ob-. 
served at Decorah, Bluffton and north fork of Bear creek. 
Prunus virginiana L. Choke Cherry. Locally common, on 
rocky banks, etc. Decorah. Also observed at Hesper, Canoe. 
creek, both forks of Bear creek, Bluffton and Kendallville. 
Prunus serotina Ehrh. Wild Black Cherry. Common in up-- 
land woods. Hesper, Canoe creek. Also obresved at all the 
other stations, excepting Calmar. 
Familh 9. Cesalpinacee 
Cassia chamaecristg L. Partridge Pea. A common weed, in 
dry soils. Decorah. ete. 
Family 10. Papilionacee. 
Baptisia bracteata Ell. (B. leucophaea Nutt.) Large-bracted 
Wild Indigo. Open places. (Fitzpatrick.) 
Baptisia leucantha T. & G. Wild Indigo. Locally common on, 
rich prairies. Calmar. 
Lupinus perennis L. Wild Lupine. Collected by Holway 
at Decorah. 
Melilotus alba Desv. White Sweet-clover. A common intro- 
duced weed. Calmar, ete. 
Melilotus officinalis (L.) Lam. Yellow Sweet-clover. Intro- 
duced. Less common than the preceding. (Fitzpatrick.) 
Trifolium arvense L. Stone Clover. Introduced. (Fitzpat- 
rick.) 
Trifolium pratense L. Red Clover. Everywhere escaped 
from cultivation. Calmar, Hesper, ete. 
