NOTES ON MOUND FLORA OF ATCHISON CO., MO. 125 
CEANOTHUS OVATUS PUBESCENS T. & G. 
Also quite common in same situations as the foregoing. 
(Watson No. 121.) 
POLYGALA VERTICILLATA L. 
Quite common on the bare parts of the mounds. (Wat- 
son No. 184.) 
TRIFOLIUM REFLEXUM L. 
Common over most parts of the mounds in bare ground. 
(Watson No. 187.) 
PsoRALEA ARGOPHYLLA Pursh. 
Abundant on the steep precipitous faces of the mounds. 
One of the most striking species of the whole mound 
flora. (Watson No. 211.) 
AMORPHA CANESCENS Pursh. 
Common on the sides of the mounds. Specimens 
nearly two meters in height were observed at several 
places. (Watson No. 217.) 
PaROsELA ENNEANDRA (Nutt. ) Britton. 
Abundant on all the mounds, but mostly on the steep 
sides to the south and west. (Watson No. 220.) 
Paroseva Dauea (L.) Britton. 
Common on the lower part of the mounds, and along the 
backbones, and still more common on the bottom prairie 
below. (Watson No. 219.) 
KuHNISTERA PURPUREA ( Vent.) MacM. 
Abundant along the backbones connecting the mounds. 
The heads are all very short-oblong or oval. (Watson 
No. 222.) 
KUuHNISTERA CANDIDA ( Willd.) Kuntze. 
With, and as abundant as the last, and heads also much 
reduced. (Watson No. 221.) 
