HELEOCHLOA (see CRYPSIS) 
HOLCUS, velvet grass 
¢Holcus lanatus L., velvet grass, p. 142 
HORDEUM, barley 
*Hordeum x caespitosum Scribner, see named hybrids 
+H. jubatum L., squirreltail, foxtail barley, p. 132 
4H. pusillum Nutt., little barley, p. 133 
+H. vulgare L., barley, p. 133 
var. trifurcatum (Schidl.) Alef., beardless barley, pearl 
bar 
var. vulgare 
HYSTRIX (see ELYMUS) 
KOELERIA, June grass 
Koeleria pyramidata (Lam.) P. Beauv., June grass [S: K. 
cristata (L.) Pers.; M: K. macrantha (Ledeb.) 
Sprengel] (Greuter, 1968), p. 136 
LEERSIA, cutgrass, white grass 
Leersia lenticularis Michaux, catchfly grass, p. 192 
L. oryzoides (L.) Sw., rice cutgrass [S: incl. f. inclusa (Wiesb.) 
Doerfler] (Pyrah, 1969), p. 192 
L. virginica Willd., white grass, p. 192 
S: Steyermark G: Great Plains Flora M: Mohlenbrock 
