FLORA OF MICHIGAN. 159 



488. ARISTIDA, L. TRIPLE-AWNED GRASS. 



1555. A. purpurascens, Poir. C. & S. 

 S. Mich., Winch. Cat.; Flint; Macomb Co. Infrequent. 



489. STIPA, L. FEATHER-GRASS. 



1556. S. avenacea, L. Black Oat-Grass. Th. 



S. W., Wright Cat. ; South Haven, Bailey; Baldwin; Dundee; Cass Co.; Point aux Pins, Macoun, 

 an. Cat. Infrequent. 



* 1557. S. spartea, Trin. Porcupine Grass. Th. 



Dry plains. S. Mich, Wright Cat.; Macomb Co.; shore of Woodward Lake, Ionia Co.; hills along 

 Grand River near Ionia. 



49O. ORYZOPSIS, Michx. MOUNTAIN RICE. 



*1558. O. melanocarpa, Muhl. C. & S. 



Woods. S. Mich., Wright Cat.; S. Haven; Macomb Co.; Flint; Hubbardston. Infrequent. 



*J559. O. asperifolia, Michx. 

 Hillsides. Common . 



1560. O. Canadeiisis, Torr. Th. 



Sterile soil. 8. E., Wright Cat. ; Hubbardston; Montcalm Co; Macomb Co. ; common in Clare Co.; 

 frequent from Ionia northward. 



491. ^MILJTJM, Tourn. MILLET-GRASS. 



*1561. M. eftusum, L. Th. 



Woods. Frequent. 



492. MUHLENBERGIA, Schreber. DROP-SEED GRASS. 



*1562. M. glomerata, Trin. Th. 



Marshes. Infrequent. 



*1563. M. Mexicana, Trin. Th. 



Low grounds. Variable. Frequent. 



* 1564. M. sylvatiea, Torr. & Gray. Th. 



Hubbardston ; Flint; Lake Superior, Agassiz. Frequent. 



*1565. M. Willdenovii, Trin. C. & S. 



Woods. Flint; Macomb Co.; S. Mich., Wright Cat. Rare. 



*1566. M. diffusa, Schreber. Nimble Will. C. & S. 



Open woods, becoming frequent around dwellings. S. Mich., Wright Cat.; So. Haven, Bailey; 

 Flint; Hubbardston. 



493. BRACHYELYTRUM, Beauv. 



*I67. B. aristatiim, Beauv. Th. 



Woods. Frequent. 



494. PHLEUM, L. CAT'S-TAIL GRASS. 



*1568. P. PRATENSE, L. Timothy. Herd's-Grass. 

 Meadows everywhere. 



1569. P. alpiuimi, L. 



L. Superior, Whitney Cat. 



495. ALOPECURUS, L. FOXTAIL GRASS. 



1570. A. PRATENSIS, L, Meadow Foxtail. 

 L. Superior, Whitney Cat. Sparingly cultivated. 



[S. RICHARDSONII, Link. 

 N. shore of L. Superior, Macoun. May be looked for within our limits.] 



