PL end. ph. 10. GRAMINE^. 49. Agropyium. 9.5 



Gramen caninuin, q. Gramen marUimum, spica loliacea, foliis pungen< 

 tibiis Plukenct, Raii Syn. 391,4. 

 Triticum junceuin, Lin. S. P. 128. 

 Triticum glaucum, Be Cand. Syn. Fl. Gall. 1662. 

 Bromus truncatus, ScopoU Fl. Cam. 121. 

 Agropyrum jiinceum, Pal. de Beauvois. 



Sea-shores, on the sands ; perennial ; July. 



Root creeping; culm purplish at bottom, naked top and 

 bottom, leafy in the middle ; leaves glaucous, very smooth 

 underneath, rough on the upper face ; ligidce very short ; 

 spike upright, 1 inch long ; spathelles boatshape, furrowed, 

 blunt. 



&. crassum. Leaves less acute, convolute ; spike thick. 



Gramen caninum q. Gramen Inliaceum supinum, spica crassiore Touriie> 

 fortii, Raii Syn. 391, 5. 



y. foUosum. Spike leafy. 



Gramen caninum mariiimum, spica foliacea, JRaii Syn. Sdl, 6. 



2. Agropyrum caninum. Dogs' luheatgrass. 

 Glume with a short awn, 3 to 5-ribbed, mostly 5-flowered; 



jiowrels bearded ; root fibrous, perennial. 



Gramen caninum aristatum, radice non repente, sylvaticum, Raii Syn. 

 390,2. 



Elymus caninus, Lin. S. P. 124. 

 Triticum caninum, Huds, Fl, Ang. 58. 

 Festuca nutans, Moench Metk. 191. 

 Agropyrum caninum, Pal. de Beauvois. 

 Bearded dog-grass. 



Woods and hedges in chalky soils ; perennial ; July. 



Root not creeping ; culm 2 feet high ; leaves ribbed, 

 green, rough on both faces ; sheaths smooth ; ligula very 

 short ; spike 3 or 4 in. long, rather upright, then drooping, 

 loose ; lower locustcB often double, the rest alternate ; spa^ 

 thelles equal, 3 or ^-ribbed, opposite ; aivns purplish, as 

 long as the spathelle, or longer ; spathellules ciliate. 



3. Agropyrum cristatum. Crested wheatgrass. 

 GZ?/me 3 to 5-flowered, awned; locust ce lanceolate, im- 

 bricate ; culm pubescent. 



Triticum cristatum, Schreb. Gram. 12. 

 Bromus cristatus, Ltstih. Anvers. 339. 

 Agropyrum cristatum, Rcmi. Sys. Veg. 758. 



Rocks by sea-side ; perennial ; July, August. 



Root creeping; culm upright, 18 in. high, procumbent 

 at bottom, and taking root; leaves erect, close, striated; 

 sheaths smooth ; ligula short, truncate ; rachis white, alter- 

 nately toothed ; locustcB compressed ; pale green, 3 to 

 5-flowered ; spathelles with short awns ; spathellules 5-rib- 

 bed; Jiowrets crowded so as to depress each other. 



