92 47. Elymus. 10. GRAMlNEiE. PL€?id.ph. 



hairy ; ovary bearded ; stigmata feathered ; cariopsis husked, 

 furrowed. — Rachis jointed, toothed, spiked; spike simple; 

 locuslc3 crowded. 



a. Locusta more than 2-flowered. Elymus. 



1. Elymus arenarius. Sand lymegrass. 

 Spike erect, close; loaistce mostly 3-flowered, downy; 



in two rows in the top and bottom of the spike, in three 

 in the middle ; scarcely shorter than the ciliated glume ; 

 Jlowrets awnless ; leaves involute, stiff. 



Elymus arenarius, Lin. S, P. 122. 

 Hordeuui villosum, Mocnch Metli. 199. 



Sandy sea-shores ; perennial ; July. 



Root creeping; culm 4 feet high, upright, stiff; leaves 

 upright, firm, glaucous; ligida very short, crenulate; spike 

 about 7 in. long, subcompressed, closely set. 



2. Elymus geniculatus. Bent lymegrass. 

 Spike loose, first erect, afterward bent and drooping; 



hcust(E 3 or ^-flowered, pubescent, lower ones remote; 

 spalhelles, short, smooth ; leaves involute, stiff. 

 ElymBS geniculatus, Curtis Br. Gr. 46. 



Culm 6 feet high, slender; leaves very narrow; spike 

 18 in. to 9. feet long, flowrets remote, so that the rachis is 

 visible, the lower flowrets at a great distance from one 

 another ; rachis bent twice, so that the tip hangs perpen- 

 dicularly down; spathelles half as long again as the lo- 

 custs, smooth ; locusice 4-flowered. 



b. Locus tee 2-Jlowered. Cuvieria. 



3. Elymus P europceiis. Europe lymegrass. 

 Spike erect; locustce in threes, 1 or 2-flowered, bearded, 



rough ; spathelles linear, awlshape, bearded, as long as the 

 locusta) ; leaves flat, smooth ; sheath hairy. 



Grameii secaliiinm majus sylvaticum, liaii Si/n, 392,3. 



Gramen secalinum maximum, Park. 1144. 



Elymus europaeus, Lin. Mnnt. 35. 



Uordeum sylvaticum, lluds. FL ylngl. 57. 



Triticum sylvaticum, Siilisb. Prod. 27. 



Secale villosum, Huds. Ft. ed. 1, 46. 



Cuvieria KuropaeJi, Koel.Qram. 328. 



Grcul icood rye-grass. 



Woods on chalky soils; perennial; June. 



