FLORA OP MICHIGAN. 163 



*1622. P. alsodes, Gray. L. R 



Banks of brooks. Flowering early. Flint; Hubbardston; Inland, Grand Traverse Co. Infrequent. 



1623. P. flexuosa, Muhl. 



Swamps. Hubbardston; Constantino, Wheeler; Flint, Dr. Clark. Rare. 



517. GKAPHEPHORUM, Desv. 

 *1624. G. melicoideum, Desv. Tb. 



River banks. Macomb Co.; Flint; Hubbardston; Petoskey; Grand Detoar, Upper Michigan, Prof. 

 Porter. Rare south. Abundant at Pic River, Macoun. 



1625. var. ma jus, Gray. 



Swamps. Hnbbardston; Washington, Macomb Co.; Montcalm Co. 



518. GLYCERIA, R. Br. MANNA-GRASS. 



*1626. G. Canadeiisis, Trin. Rattlesnake-Grass. Th. 



Borders of marshes. S. W., Winch. Cat.; Flint; Ionia Co. Infrequent. 



* 1627. G. nervata, Trin. Th. 

 Vary variable. Woods and wet meadows. 



*1628. G. pallicla, Trin. S. 



Wet places. Constantino, Wheeler; Keweenaw Co., F. Rare. 



*1629. G. graiidis, Watson. Th. 



Common. 



*1630. G. fluitaiis, R. Br. Th. 



Shallow water. Common. 



519. FESTUCA, L. FESCUE-GRASS. 

 *1631. F. tenella, Willd. Th. 



Dry grounds. Infrequent. 



*1632. F. ovina, L. Sheep's Fescue. Th. 



Dry grounds. Common. 



1633. var. duriuscula, Koch. Th. 



S. Mich., Wright Cat.; Petoskey; Keweenaw Co., Robbins; Isle Royale, Gillman. Sparingly in 

 cultivation. 



*1634. F. nut ans, Willd. L. P. 



Woods. Frequent. 



*1635. F. ELATIOR, L. Taller or Meadow Fescue. 

 Meadows. Not common. 



* 1636. var. PRATENSIS, Gray. Meadow Fescue. 



Kalamazoo, Tnthill; Hnbbardston. Not common. 



52O. BKOMUS, L. BROME-GRASS. 



*1637, B. Kalmii, Gray. Wild Chess. 



Dry open woods. S. E., Wright's Cat.; Flint; Macomb Co.; Hubbardston ; northward to Quinnesec, 

 E. J. Hill. Infrequent. 



*1638. B. SECAMNUS, L. Cheat or Chess. Th. 



Fields. Too common in wheat fields. There is a wide-spread notion, arnong farmets, that wheat 

 changes or degenerates into this grass. It is needless to say that it is wholly without foundation. Often 

 as many as thirty well-developed stalks grow from a single grain in rich soil, each stalk maturing a hun- 

 dred grains or more. It is perhaps the worat intruder in our wiieatfialds. Phis grass seldom troubles the 

 better class of farmers. 



*1639. B. ciliatus, L, Th. 



Moist woods. Very variable. 



*1640. B. ASPER, L. 

 Gray's Manual. 



21 



