162 FLORA OF MICHIGAN. 



*1603. E. Pennsylvania, Gray. Th. 



Moist woods. Common. 



*1604. E. Dudley!, Vasey. 

 Hubbardston, Wheeler. Kare. 



513. ERAGROSTIS, Beauv. 



* 1605. E. reptaiis, Nees. 



Gravelly borders of streams. Common. 



*1606. E. MAJOR, Host. 

 Waste places and gardens, a common weed. 



1607. E. PILOSA, Beauv. S. 



Grand Rapids, Coleman's Cat. ; Macomb Co. 



*1608. E. Frankii, Meyer. C. & S. 



Roadsides in low ground. Hubbardston; Gratiot Co., etc.; Grand Rapids. Frequent. 



1609. E. capillaris, Nees. 



Coleman's Cat. ; S. Mich., Wright Cat. ; Ann Arbor, M. W T . Harrington. Rare. 



1610. E. pectinacea, Gray., var. speQtabilis, Gray. C. & S. 



Dry sandy ground. S. Mich., Wright Cat. Reaches its northern limits at Howard City. Infrequent. 



514. DIARRHENA, Raf. 



16] 1. D. Americana, Beauv. S. 



S. Mich., Wright Cat.; Flint ; Hnbbardston. Reaches its northern limits in Ionia Co."! Rare. 



515. DACTYLIS, Ii. ORCHARD GRASS. 



*1612. D. GLOMERATA, L. 

 A valuable grass for pasture and hay ; becoming naturalized. 



516. POA, L. MEADOW-GRASS. SPEAR-GRASS. 



*1613. P. ANNUA, L. Low Spear-Grass. Th. 



Low grounds. Common. 



* 1614. P. COMPRESSA, L. Wire-Grass. Blue-Grass. English Blue Grass. 



Th. 

 Dry fields. Nutritious and would make good hay if it could be grown in quantity. Common. 



1615. P. alpina, L. U. P. 



Isle Royale, C. G. Loring, Jr., in Gray's Manual; Keweenaw Co., F. 



1616. P. iiemoralis, L. (Poa caesia, Smith and P. caesia, var. 



strictior, Gray.) 

 Throughout N. Mich. Infrequent except in the Lake Superior region. 



*1617. P. serotina, Ehrh. False Red-top. Fowl Meadow-Grass. Th. 

 Wet meadows, where it is a valuable grass sometimes mistaken for Red-top, Agrostis vulgaris. 



* 1618. P. pratensis, L. Kentucky Blue Grass. June Grass. Th. 



Pastures and meadows. Our most valuable pasture grass; not of much value for hay. Blossoms in 

 June. 



1619. P. TRIVIALIS, L. Roughish Meadow-Grass. 

 S. Mich., Wright Cat.; Flint. Sparingly in cultivation. 



*1620. P. sylvestris, Gray. C. & S. 



Low woods. S. Mich., Winch. Cat. ; Flint; Hubbardston. Rare. 



*1621. P. clebilis, Torr. Th. 



Hillsides. S. Mich, Winch. Cat.; Macomb Co.; Hubbardston to N. shore of Lake Superior, 

 Macouo. Infrequent. 



