189 
PANICUM, L. Panic Grass. Crab-Grass. 
1196. P. glabrum, Gaudin. 
On railroad near the Stock Yards; rare, Babcock . 
1197. P. sanguinale, L, Common Crab-Grass. 
In waste places and cultivated grounds; frequent or common. 
August — September. 
1198. P, eapillare, L. Old-witch Grass. 
In dry sandy soil and cultivated fields; common. Aug. — Sept. 
1199. P. autumnale, Bose. 
Sand ridges, south of Whiting, Ind.; rare. August 25th, 1885. (B.) 
1200. P. virgatum, L. 
Maywood, Babcock. Frequent along the sands of the lake shore. 
August. 
1201. P. latifolium, L. 
Moist and wet woods; common. June — September. 
Lower sheaths sometimes rough and hairy, Hill. 
1202. p, clandestinum, L. 
Low rich woods and banks; not rare. July. (B.) 
Niles. Maywood. Palatine. Stony Island. Colehour and Berry 
Lake, Ind. 
1203. P. scoparium, Lam. 
* P. pauciflorum , Ell. 
Wet copses, near Sheffield, Ind.; infrequent. July, Hill . (B.) 
1204. P. depauperatum, Muhl. 
Dry open woods ; common. June — July. 
Said to be abundant in the hilly woods of the northern part of Cook 
County. 
1205. P. diehotomum, L. 
"Meadows, prairies and open woods; common or abundant, June — 
July 15 th. 
1206. P. laxiflorum, Lam. 
Meadows, etc.; frequent. June — July. (B.) 
Closely resembles the last, and may be passed over by the collector. 
1207. P. crus-galli, L. Barnyard Grass. 
Rich soil and cultivated ground; frequent.. August — September. 
1208. P. crus-galli, L., var. hispidum, Torr. 
Ditches, near Stony Island; infrequent. Swamps at Forsythe, 
Ind., Hill. (B.) > m \*** d^C 
