84 BOTANY OF MICHIGAN 



Phalaris arundinacea L. Reed canary-grass. In wet open ground. 

 Common throughout. 



Hierochloe odorata (L.) Wahlenb. {Savastana odorata (L.) Scribn.). 

 Vanilla grass. Sweet-grass. Moist open or partially shaded ground 

 near Seul Choix. Plentiful. Cornell. Also noticed near Rexton in 

 Mackinac County. It emits a very sweet fragrance. 



Milium effusum L. Tall millet-grass. Frequent throughout in rich 

 woods. 



Oryzopsis pungens (Torr.) Hitchc. Slender mountain rice. In dry 

 and sterile open ground. Plentiful. 



Oryzopsis asperifolia Michx. White-grained mountain rice. On 

 borders, and in open spots of beech-maple-birch wood's. Frequent. 



Mnhlenbergia racemosa (Michx.) BSP. Wild timothy. On low 

 meadow-like ground and borders of marshes. Frequent. 



Brachy elytrum erectum (Schreb.) Beauv. Bearded short-husk. Com- 

 mon throughout in hardwoods. 



Phleum oratense L. Timothy. Common throughout, probably as an 

 escape. 



Sporobolus uniflorus (Muhl.) Scribn. & Merr. Late-flowering drop- 

 seed. In damp open sand3 r ground west of Manistique. Abundant. 



Agrostis alba L. Redtop. In damp open ground and often in damp 

 sand. Common. 



Agrostis hyemalis (Walt.) BSP. Rough hair-grass. Fool-hay. In 

 dry or moist open or partially shaded ground. Abundant. 



Agrostis perennans (Walt.) Tuckerm. Thin-gras.-. Upland bent- 

 grass. Usualh r in damp rich shaded ground. Plentiful. 



Calamovilfa longifolia (Hook.) Hack. Long-leaved reed-grass. On 

 sand dunes and sandy beaches. Apparently seldom abundant in this 

 region. When growing in abundance it is an efficient sand binder. 



Calamagrostis canadensis (Michx.) Beauv. Blue-joint grass. Usually 

 in wet open meadow-like ground. Often abundant and cut for hay. 



Ammophila arenaria (L.) Link. Sea sand-reed. Sandy beaches of 

 Lake Michigan and Lake Superior. Often abundant, when it is one of 

 the most efficient sand binders known. 



Deschampsia flexuosa (L.) Trin. Common hair-grass. Dry open 

 ground throughout. Often plentiful. 



Deschampsia caespitosa (L.) Beauv. Tufted hair-grass. Frequent 

 in wet open ground. Noticed in particular in wet places on Bois Blanc 

 Island in Mackinac County. 



Avena sativa L. Common oat. Apparently escaping and persisting 

 in waste places. 



Danthonia spicata (L.) Beauv. Common wild oat-grass. In dry open 

 sterile ground throughout. Plentiful. 



