CATALOGUE OP PLANTS. 21 



lot). P. clandestinum L. 



Moist woods and thickets; rare. June-July. 



Plaster Creek at Madison Ave.; Glue Factory woods; Cascade 



Sprino-s. 



157. P. commutatum Schultes. 



Dry woods and thickets. July-Aug. 



Mill Creek woods (O.H.). 



The only station reported in the State. 



158, P. Crus-galli L. Barnyard-Grass. 



In rich soil of cultivated or waste ground; common and variable. 

 Aug. -Sept. 



15!). P. Crus-galli iiisimdim Torr. 

 P. Walteri Pursh. 

 Banks of Grand River, near the Lower Swing Bridge (O.H.), 



Aug-Sept. 



160. P. depauperatum Muhl, 



Sterile soil; variable and common. June-Sept. 



161. P. dichotomum L. 



Dry woods and copses; common and variable. June-July. 



162. P. flexile (Gattinger) Scribn. 

 Wet marly soil. Aug. 



Abundant in the Lamberton Lake region (M.&C). 



163. P. GLABRUM Gaud. 

 Syntherii^ma linearis (Krock.) Nash. 



Common in sterile soil. July-Aug. 



164. P. latifolium Walt. 

 P. Porter kinum Nash. 



Edges of woods; common. Mid- June- July, 



165. P. MiLiACEUM L. Millet. 

 Waste places. July-Sept, 



At the corner of Jefferson Ave. and Burton Ave., City (O.H.). 



