' 
64 TRIANDRIA DIGYNIA, Agrostis. 
Icon. FL dan. 161. J 
-Common in all grassy fields. X. July. v.v. 
aspera. 7. A. paniculis coarctatis lateralibus terminalibusque, va- 
ginis barbatis, foliis recurvatis is, glumz valvis — 
interioribus triplo majoribus. Mick. fl. amer. 1. p. 52. — 
A. barbata. Pers. ench. 1. p. 75. 
A. littoralis.. Lam. illust. 1. 5. 161. — 
In the western districts of the United States, in rocky 
situations. Michaux. On the sea-shore of Florida. 
Lam. M.July. v. s. in Herb. Enslin. 
alla. 8, A. panicula laxa, calycibüs muticis zequalibus, culmo re- 
pente. Willd. sp. pl. 1. p. 371. 
On the banks of rivulets and springs, frequent. 3). July. 
y. V. 
pungens. 9. A. panicula contracta spiczeformi, foliis involutis rigidis 
pungentibus superioribus oblique oppositis, culmo ra- 
moso. Schreb. gram. 2. p. 46. - 
A. virginica. Willd. sp. pl. 1. p. 373. 
Icon. Schreb. l. c. t.27. f. 3. 
On dry gravelly hills in Virginia. 2%. July, Aug. v. v. 
Cinna. 10. A. panicula magna debili, foliis lato-linearibus glabris, 
-valvola altera infra apicem subaristata, caule glabro. 
Cinna arundinacea. Willd. sp. pl. 1. p.31. 
On rivers and islands, under the tide waters, common; ` 
from Canada to Carolina. Y%. Aug. v.v. e 
mexicana. 11. A. panicula oblonga congesta, calycibus corollisque acu- 
minatis subæqualibus muticis. Willd. sp. pl. 1. 
p.374. ; SEA 
In wet meadows: Virginia, &c. Y. June. v.v. 
indka. a 12. A. panicula contracta mutica, racemis lateralibus erectis 
alternis, glumz valvis exterioribus longissimis, foliis 
longissimis, sensim  setaceo-convolutis. Mich. fi. 
ze amer.1, p. 52. Weld. sp. pl. 1. 5. 375. : 
In Carolina, Florida, &c. Michaux. (9. +. Vw. $ 
in Herb, Lambert. 
juncea. 13. A. panicula oblongo-pyramidata, floribus maticis: val- 
vula extima duplo minore, foliis stricte erectis con- 
voluto-setaceis rigidulis. Mich. fl, amer. 1. p. 52. — 
In barren sandy places: New Jersey to Florida. X. 
July, Aug. v.v. . d^ 
lateriflora, 14. A. paniculis lateralibus terminalibusque coarctatis, flo- 
ribus muticis, valvulis acutissimis : interioribus ma- 
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