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IOWA ACADEMY OF SCIENCE 
antly on the flat at the base of one of the little hills. It has evi- 
dently reached its northern distribution at this point. 
Yitis labrusca L. Northern Fox Grape. Cultivated only. The 
Concord, Worden, etc. Hamburg, Payne, Council Bluffs, Turin, 
Whiting, Sioux City. 
Yitis vulpma L. Wild Grape. Frost Grape. Hamburg, 
Payne, Whiting (LHP & HBC), Missouri Valley (HBC), Sioux 
City, Turin (LHP), Sioux Rapids (LHP), Council Bluffs 51 
(LHP & HBC). 
Yitis vulpina L. var. praecox Bailey. Early Wild Grape. 
Hamburg 5 (LHP & HBC), lowa-Missouri line. The grapes 
were turning color on July 5, 1914. 
TILIACE^ Basswood Family. 
Tilia americana L. Basswood. Sioux City 12 (HBC) 13 
(RST) 11 (LHP & RST), Oto 8, 11 (HBC), Hamburg 23 (LHP 
& HBC), Payne (LHP & HBC), Missouri Valley (HBC), Coun- 
cil Bluffs 56 (LHP & HBC), Sioux Rapids (LHP). The bass- 
wood is common in all of the ravines. 
ELEAGNACE^ Oleaster Family. 
Eleagnus hortensis Bieb. Yar. Songorica Bernh. Russian Olive. 
Oleaster. Commonly planted. Whiting, Sioux City (LHP & 
HBC), Missouri Valley 3 (HBC). 
ShepJierdia argentea Nutt. Buffalo Berry. Sioux City 15 
(RST) 13 (LHP & RST). Big Sioux and Missouri river bot- 
toms. 
CORNACE^ Dogwood Family. 
Cornus asperifolia Michx. Dogwood. Sioux City 4 (RST) 
4 (HBC), Oto 8 (HBC), Sioux City (LHP), Little Rock (C. R. 
Ball), Missouri Valley (HBC), Council Bluffs 46 (LHP & 
HBC), Payne (LHP & HBC), Whiting 2 (LHP & HBC). Com- 
mon on the loess bluffs, ravines, border of thickets. 
Cormis Amomum Mill. Dogwood. Nebraska City, Nebraska, 
in grove, Arbor Loge. It was not observed on the Iowa side, 
probably introduced. 
Cornus sanguinea L. Dogwood. Occasionally cultivated. 
OLEACE.^ Ash Family. 
Fraxinus pennsylvanica Marsh. Red Ash. Sioux City 1 
(RST) (HBC), Little Rock (C. R. Ball), Payne, Hamburg 
(LHP & HBC)), Missouri Valley 50, 80 (HBC). 
