GYMNOSTICHUM. 185 



3. E.' Sibericus (Siberian Lyme grass). See page 



74. 



4. E. Striatus (Slender, Hairy Lyme grass). Of no 

 agricultural value. 



5. E. Mollis (Soft Lyme grass). Shore of the Great 

 Lakes, Maine and northward, 



6. E. Arenarius (Upright Sea Lyme grass). See 

 page 75. 



47. GYMNOSTICHUM Screb. BOTTLE BRUSH 

 GRASS. 



GENERIC CHARACTER. 



Spikelets 2 to 3 or sometimes solitary on each joint 

 of the rhachis, raised on a very short callous pedi- 

 cel, loosely to to 4-flowered (when solitary flatwise on 

 the rhachis) ; glumes none, or small, awnlike, and 

 deciduous. 



Whence the name, gymnos, naked, and stichos^ 

 rank. Otherwise nearly as in Elymus. 



1. G. Hystrix (Bottle Brush grass). The spike 

 has the appearance of a bottle brush, when ripe. 

 Moist woodlands. Flowers in July. 



