TRIANDRIA DIGYNIA. 
89 
106 , ELYMUS. Gen. pl. 128. Wild Rye. 
1 . E. spica pendula patula, spiculis sexlioris aristatis. IVilld. 
enuw. 131. Willd.sp.pl. 1 . p. 468. 
In shady woods : Canada and New York. 2/ . July. v. v. 
2 . E. spica nutante patula, spiculis sexfioris aristatis, infe- 
rioribus ternatis, superioribus binatis. Willd. enurn. 131. 
WiLld. sp.pl. 1 . p. 468. 
In rocky situations : Canada, &c. l/.July. + » 
3 . E. spica nutante patula, spiculis sexfioris aristatis gemi- 
natis, foliis subtus glaucis. Willd. enum. 131. 
In the mountains of Virginia, Pensylvania, &c. 1/ , July. 
v. v. 
4 . E. spica erecta, spiculis trifloris aristatis villosis ternatis, 
calycibus aristatis spiculis superantibus. Willd. enum. 
131. 
In dry rocky soil : Pensylvania, Virginia, &c. 1/ . June. 
v. v. 
5. E. spica erecta, spiculis trifloris aristatis glabris gemina- 
tis, calycibus lanceolatis nervosis spiculis aequantibus. 
Willd. enum. 131. Willd. sp. pl. 1. p. 469 . 
In the mountains very common. I/. May — July. v.v. 
6 . E. spica erecta, spiculis bifloris aristatis hispidis gemi- 
natis, calycibus linearibus nervosis aristatis spiculis 
fere superantibus, foliis vaginisque glabris. Willd. 
enum 131. Willd. sp.pl. l.pAJO . 
In shady situations : Pensylvania, Virginia, &c. 1/ . 
June. v. v. 
107 . HORDEUM. Gen.pl. 129 . Barley. 
1 . H. flosculis omnibus hermaphroditis aristatis, ordinibus 
duobus erectioribus. Willd. sp. pl. l.p. 472. 
Icon. Host. gram. 3. t. 34. 
In fields and hedge-rows, apparently in a wild state ; 
introduced from Europe. ©.July. v.v. 
2 . H. aristis involucrisque setaceis longissimis. Willd. sp. 
pi 1 . p. 476 . excl. synon. 4it. keiv. ed. 2 . p. 180. 
On the islands of the Missouri river. M . Lewis. $. 
July. v. s. in Herb. Lewis, et Lambert. This species 
I considered at first a new one; but on examination of 
the specimens in the Herbarium of A. B. Lambert, 
Esq., I found it to be the same as the H .jubatum of 
the Hortus Kewensis. 
Philadelphia 
cus. 
canadensis, 
glaucifolius . 
villosus. 
virginicus . 
striatus. 
vulgare . 
jubatum . 
