154 OHIO BIOLOGICAL SUEVEY 



434. Panicum dichotomum L. Forked Panic-grass. Rather general; 



no specimens fro mthe northwestern counties. 



435. Panicum mierocarpon Muhl. Small-fruited Panic-grass. Cuya- 



hoga, Lorain, Brife, Fairfield, Hocking, Jackson, Adams. 



436. Panicum boreale Nash. Northern Panic-grass. Fulton County. 



437. Panicum lindheimeri Nash. Lindheimer's Panic-grass. Ashta- 



bula, Hocking. 



438. Panicum huaehucae Ashe. Hairy Panic-grass. General. 



439. Panicum villosissimum Nash. Villous Panic-grass. Cuyahoga, 



Brie, Licking. 



440. Panicum implicatum Scrib. Slender-stemmed Panic-grass. Gal- 



lia County. 



441. Panicum tsugetorum Nash. Hemlock Panic-grass. Defiance, 



Summit. 



442. Panicum leibergii (Vasey) Scrib. Leiberg's Panic-grass. No 



specimens. 



443. Panicum scribnerianum Nash. Scribner's Panic-grass. Cuya- 



hoga, Erie, "Wood, Franklin. 



444. Panicum xanthophysum Gr. Slender Panic-grass. Lake County. 



445. Panicum ashei Pear. Ashe's Panic-grass. Cuyahoga, Lake, 



Trumbull, Fairfield. 



446. Panicum commutatum Schultes. Variable Panic-grass. Law- 



rence, Gallia, Fairfield, Wayne. 



447. Panicum latifolium L. Broad-leaf Panic-grass. General. 



448. Panicum boseii Poir. Pose's Panic-grass. Warren, Adams, Jack- 



son, Belmont. 

 448a. Panicum boseii moUe (Vas.) Hitch. & Ch. Hamilton, Lawrence, 

 Cuyahoga. 



449. Panicum elandestinum L. Hispid Panic-grass. General. 



450. Leptaloma cognatum (Schultes) Chase. Fall Witch-grass. From 



the West. Lake County. 



451. Syntherisma filiforme (L.) Nash. Slender Crab-grass. No 



specimens. 



452. Syntherisma ischaemum (Schreb.) Nash. Small Crab-grass. 



Lorain, Wayne, Auglaize, Fairfield. From Europe. 



453. Syntherisma sanguinale (L.) Dulac. Large Crab-grass. Gen- 



eral. Naturalized. 



454. Echinochloa crus-galli (L.) Beauv. Common Barnyard-grass. 



General and abundant. Naturalized from Europe. 



