A, scoparius, var. frequens Hubbard. 
21 
A* glomeratus (Walt.) BSP. 
A. virginicus L. 
A. furcatus Muhl, 
Sorghastrum nutans (1.) JNash. 
Bigitaria filiformis (L.) Koeler, 
D, (humlfusa Pers.) S'cX*^ 
D, saagulnails (L.J Scop* 
Leptoloma cognatum (Schultes^ Chase. 
Paspalum pubescens Muhl. 
P, Muhlenberg!i l^ash. . 
P, psammophilum Hash. 
