58 IIORTUS GIIAMINEUS VVOBU UN ENSIS. 



ELYMUS geniculatus,per. jointed lyme-grass, indig. July 

 and August. 



giganteus, per. tall lyme-grass, nat. N. America. 



Sibe7icus, per. Siberian, nat. Siberia. 



Philadelphicus, per. Philadelphian lyme-grass, nat. North 

 America. 



Canadensis, per. Canadian lyme-grass, nat. N. America. 



Virginicus, per. Virginian lyme-grass, nat. Virginia. 



striatus, per. striated lyme-grass, nat. N. America. 



caput-medus(c, ami. Portuguese lyme-grass, nat. Portugal. 



hi/strix, per. rough lyme-grass, nat. Levant. 



tener, per. tender lyme-grass, nat. Siberia. 



sabulosus, per. gravelly, nat. Caucasus. 



racemosus, per. nat. ? 



glaucifolius, per. grey-leaved, nat. America. 



villosus, per. villous, nat. Virginia. 



crinitus, ami. long-awned, nat. Hungary. 



intermedins, ann. intermediate, nat. Iberia. 



paucifloriis, ann. few-flowered, nat. ? 



junceus, per. rush-leaved, nat. Siberia. 



hordeiformis, per. barley-like, nat. ? 



pilifer, per. nat. Aleppo. 



Carolinianus ? per. 



subulatus? per. nat. Egypt. 



mollis, per. soft-spiked lyme-grass. 

 FESTUCA. Fescue-grass. Generic character : cali/x two- 

 valved, many-flowered, containing the florets in a slen- 

 der spike ; valves acuminate, the interior the least ; co- 

 rolla two-valved, exterior valve larger than the calyx, 

 acuminate or awned ; seed acute at both ends, slender 

 and oblong. 



ovina, per. sheep's fescue, indig. May and June. 



var. a. violacea, per. violet, indig. May, June. 



var. /3. ovina hordeiformis, per. long-awned sheep's fescue. 



tenuifolia, per. slender-leaved, indig. May and June. 



vivipara, per. viviparous fescue, indig. June. 



nigrescens, per. blackish, nat. of Switzerland, Alpine 

 pastures. 



rubra, per. creeping- rooted, indig. June and July. 



